sch壁厚等级对照表 - 图文

公称通径 Nominal Pipe Size NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 31/2 4 5 6 8 10 12 14 16 18 20 22 BN 6 8 10 15 20 25 32 40 50 65 80 90 100 125 150 200 250 300 350 400 450 500 --- 外径 Outside Diameter D 10.3 13.7 17.1 21.3 26.7 33.4 42.2 48.3 60.3 73.0 88.9 101.6 114.3 141.3 168.3 219.1 273.1 323.9 355.6 406.4 457.2 508 559 SCH5s SCH10s SCH10 SCH20 SHC30 SCH40s STD --- --- --- 1.65 1.65 1.65 1.65 1.65 1.65 2.11 2.11 2.11 2.11 2.77 2.77 2.77 3.40 3.96 3.96 4.19 4.19 4.78 4.78 1.24 1.65 1.65 2.11 2.11 2.77 2.77 2.77 2.77 3.05 3.05 3.05 3.05 3.40 3.40 3.76 4.19 4.57 4.78 4.78 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 6.35 6.35 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 1.73 2.24 2.31 2.77 2.87 3.38 3.56 3.68 3.91 5.16 5.49 5.74 6.02 6.55 7.11 8.18 9.27 1.73 2.24 2.31 2.77 2.87 3.38 3.56 3.68 3.91 5.16 5.49 5.74 6.02 6.55 7.11 8.18 9.27 公称壁厚T Norminal Wall Thickness SCH40 SCH60 SCH80s 1.73 2.24 2.31 2.77 2.87 3.38 3.56 3.68 3.91 5.16 5.49 5.74 6.02 6.55 7.11 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 2.41 3.02 3.20 3.73 3.91 4.55 4.85 5.08 5.54 7.01 7.62 8.08 8.56 9.53 10.97 12.70 12.70 12.70 --- --- --- --- --- XS 2.41 3.02 3.20 3.73 3.91 4.55 4.85 5.08 5.54 7.01 7.62 8.08 8.56 9.53 SCH80 SCH100 SCH120 SCH104 SCH160 XXS 2.41 3.02 3.20 3.73 3.91 4.55 4.85 5.08 5.54 7.01 7.62 8.08 8.56 9.53 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 15.09 18.26 --- --- --- --- --- --- --- --- --- --- --- --- 11.13 12.70 14.27 18.26 21.44 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 20.62 25.40 --- --- --- 4.78 5.56 --- --- --- 7.47 7.82 6.35 9.09 6.35 7.14 9.70 10.15 8.74 11.07 9.53 --- 14.02 --- 11.13 15.24 13.49 17.12 15.88 19.05 18.26 21.95 23.01 22.23 28.58 25.40 10.97 10.97 12.70 12.70 12.70 15.09 6.35 7.04 6.35 7.80 8.18 10.31 9.27 12.70 6.35 8.38 9.53 7.92 9.53 7.92 9.53 --- --- 9.53 10.31 14.27 9.53 9.53 11.13 15.09 12.70 16.66 12.70 17.48 21.44 25.40 28.58 33.32 25.40 12.70 12.70 12.70 12.70 12.70 19.05 21.44 23.83 26.19 27.79 30.96 31.75 36.53 35.71 40.49 --- --- --- --- --- 4.78 6.35 7.92 11.13 --- 5.54 5.54 6.35 6.35 9.53 12.70 9.53 12.70 --- --- 9.53 14.27 19.05 9.53 9.53 15.09 20.62 --- 22.23 23.83 29.36 34.93 39.67 45.24 26.19 28.58 32.54 34.93 38.10 41.28 44.45 47.63 50.01 53.98 24 26 28 30 32 34 36 38 40 42 44 46 48 600 --- 700 --- 800 --- 900 --- 1000 --- 1100 --- 1200 610 660 711 762 813 864 914 965 1016 1067 1118 1168 1219 5.54 --- --- 6.35 --- --- --- --- --- --- 6.35 --- --- 6.35 9.53 14.27 --- 7.92 12.70 --- --- --- 9.53 9.53 9.53 9.53 9.53 9.53 9.53 9.53 9.53 9.53 9.53 17.48 24.61 --- --- --- 17.48 17.48 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 12.70 30.96 --- --- --- --- --- --- --- --- --- 38.89 46.02 52.37 59.54 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 7.92 12.70 15.88 7.92 7.92 12.70 15.88 --- --- --- --- --- --- --- 7.92 12.70 15.88 7.92 12.70 15.88 --- --- 7.92 12.70 15.88 --- --- --- --- --- --- --- --- --- --- --- --- --- 19.05 --- --- --- --- --- --- --- 9.53 9.53 12.70 12.70 --- --- C·SH5s、10s、40s、80s用于不锈钢管件。·SCH5s、10s、40s、80s applies for stainless steel. JIS B2311、B2312、B2313 公称通径 Size DN 15 20 25 32 40 50 65 80 NPS 1/2 3/4 1 11/4 11/2 2 21/2 3 外径 Diameter D 21.7 27.2 34.0 42.7 48.6 60.5 76.3 89.1 101.6 114.3 139.8 165.2 216.3 267.4 318.5 355.6 406.4 457.2 508.0 558.8 609.6 公称壁厚T Norminal Wall Thickness SGP SCH5s SH10s SCH10 SCH20 SCH30 SCH40s STD SCH40 SCH60 2.8 2.8 3.2 3.5 3.5 3.8 4.2 4.2 4.2 4.5 4.5 5.0 5.8 6.6 6.9 7.9 7.9 7.9 7.9 --- --- 1.7 1.7 1.7 1.7 1.7 1.7 2.1 2.1 2.1 2.1 2.8 2.8 2.8 3.4 4.0 4.0 4.2 4.2 4.8 4.8 5.5 2.1 2.1 2.8 2.8 2.8 2.8 3.0 3.0 3.0 3.0 3.4 3.4 4.0 4.0 4.5 4.8 4.8 4.8 5.5 5.5 6.4 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 6.4 6.4 6.4 6.4 6.4 6.4 --- --- --- --- --- --- --- --- --- --- --- --- 6.4 6.4 6.4 7.9 7.9 7.9 9.5 9.5 9.5 --- --- --- --- --- --- --- --- --- --- --- --- 7.0 7.8 8.4 9.5 9.5 11.1 12.7 12.7 14.3 2.8 2.9 2.8 3.7 4.5 3.6 3.7 3.9 5.2 5.5 5.7 6.0 6.6 7.1 8.2 9.3 --- --- --- --- --- --- --- --- --- 10.3 12.7 4.9 5.1 5.5 7.0 7.6 8.1 8.6 9.5 3.7 3.9 4.5 4.9 5.1 5.5 7.0 7.6 8.1 8.6 9.5 SCH120 3.7 3.9 4.5 4.9 5.1 5.5 7.0 7.6 8.1 8.6 9.5 --- --- --- --- --- --- --- --- --- --- --- --- 15.1 18.3 21.4 23.8 26.2 --- --- --- --- --- --- --- --- --- 11.1 12.7 14.3 18.2 21.4 25.4 27.8 30.9 SCH140 SCH160 --- --- --- --- --- --- --- --- --- --- --- --- 20.6 25.4 28.6 31.8 36.5 39.7 44.4 47.6 52.4 4.8 5.6 6.4 6.4 7.1 8.7 9.5 11.1 --- 13.5 15.9 18.2 23.0 28.6 33.3 35.7 40.5 45.2 50.0 54.0 59.5 XXS 7.5 7.8 9.1 9.7 10.2 11.1 14.0 15.2 --- 17.1 19.0 21.9 22.2 25.4 25.4 --- --- --- --- --- --- Nominal Pipe Outside 2.9 SCH80s SCH100 3.9 3.4 3.4 3.6 3.7 3.6 3.7 3.9 3.9 5.2 5.5 5.2 5.5 90 31/2 100 125 150 200 250 300 350 400 450 500 550 600 4 5 6 8 10 12 14 16 18 20 22 24 5.7 5.7 6.0 6.6 6.0 6.6 7.1 7.1 8.2 9.3 8.2 9.3 11.0 11.0 11.0 12.7 12.7 12.7 12.7 12.7 15.1 17.4 19.0 21.4 23.8 26.2 28.6 9.5 9.5 10.3 9.5 9.5 9.5 9.5 11.1 12.7 14.3 12.7 12.7 15.1 16.7 19.0 20.6 22.2 24.6 --- --- --- --- --- --- 12.7 12.7 12.7 12.7 12.7 12.7 9.5 9.5 14.3 9.5 9.5 9.5 9.5 15.1 --- 29.4 34.9 32.5 34.9 38.1 41.3 9.5 9.5 17.5 31.0 38.9 46.0 650 700 750 800 850 900 26 28 30 32 34 36 660.4 711.2 762.0 812.8 863.6 914.4 --- --- --- --- --- --- --- --- 6.4 --- --- --- --- --- 7.9 --- --- --- 7.9 7.9 12.7 12.7 --- 15.9 --- --- 9.5 --- --- --- 9.5 9.5 9.5 9.5 9.5 9.5 --- --- --- 17.5 17.5 19.0 --- --- --- --- --- --- --- --- --- --- --- --- 12.7 12.7 12.7 12.7 12.7 12.7 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 7.9 12.7 15.9 7.9 7.9 12.7 12.7 15.9 15.9 7.9 12.7 15.9

承插焊管件（一） Socket Welding Fittings

GB/T 14383、SH 3410、HG/T 21634、ASME B16.11、JIS B2316

中心至承插孔底 壁厚 公称通径 Nominal Pipe Size 承插孔深度 Depth of Socket Wall Thickness Center to Bottom of Socket A 90°弯头、三通、四通 90°Elbow、Tee、Cross XXS 9000 --- --- --- 9.5 10.0 11.5 12.0 13.0 14.0 --- --- --- SCH80 3000 11 11 14 16 19 22 27 32 38 41 57 67 SCH160 6000 11 14 16 19 22 27 32 38 41 57 64 --- XXS 9000 --- --- --- 25 28 32 35 38 54 --- --- --- SCH80 3000 8 8 8 11 13 14 18 21 25 29 32 41 45°弯头 45°Elbow SCH160 6000 8 8 11 13 14 18 21 25 29 32 35 --- XXS 9000 --- --- --- 16 19 21 22 25 28 --- --- --- C min SCH80 3000 3.2 3.3 4.0 4.5 5.0 5.6 6.3 6.4 7.0 8.9 10.0 10.0 SCH160 6000 3.5 4.0 4.4 6.0 7.0 8.0 8.0 9.0 11.0 12.5 13.8 --- DN 6 8 10 15 20 25 32 40 50 65 80 100 NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 J min 10 10 10 10 13 13 13 13 16 16 16 19 ·本表列出的为承插焊管件各相同部分尺寸，不同标准规定的接管尺寸及承插孔径d1、流通孔径d2尺寸见承插焊管件的接管外径、承插孔径及流通孔尺寸表。 ·当产品为异径时，流通孔d2的尺寸用异径公称通径相对的d2尺寸、中心至承插孔底的尺寸A与同径管件相同。 ·The above list shows sizes of the same parts of SW fittings.The sizes of different codes pipes,socket diameter d1 and bore diameter d2 refer to the list of the pipe outside diameter,socket diameter and bore diameter of SW fittings. ·As to the reducing fittings,size of the bore diameter d2 applies to the relevant size d2 of the reducing norminal pipe size,size of center to the bottom of socket A issame to the straight fittings,

承插焊和螺纹活接头 Unions of Socket-Welding&Threaded

HG/T 21634、MSS SP-83

螺母厚度 Nut 螺帽每英寸的螺纹扣数 Threads Per inch 球面凸缘厚度 Male Flange 定位口高度 Bearin 公称装配长度 Length Assem Nominat 结构尺寸 Laying Length E G min H F min h min L 承插焊 Socket 3.2 3.2 3.5 3.7 4.1 4.5 5.2 5.6 6.4 7.1 8.0 16 16 14 14 11 11 10 10 10 8 8 3.2 3.2 3.5 3.7 4.1 4.6 5.4 5.9 6.6 7.5 8.3 1.5 1.5 1.5 1.5 1.8 1.9 2.2 2.3 2.7 3.1 3.6 41 41 46 49 57 62 71 77 86 102 109 21 21 24 24 29 30 37 38 39 56 59 外径 公称通径 Nominal Pipe Size End DIA 壁厚 Wall Thickness 流通孔径 Bore D min 承插焊 螺纹 C min 承插焊 Socket 3.2 3.3 螺纹 Thread 2.5 3.1 3.2 3.8 4.0 4.6 4.9 5.1 5.6 7.1 7.7 d2 螺纹 Thread 7.4 10.9 13.9 17.5 22.2 28.4 36.5 42.4 53.9 65.3 79.9 DN NPS Socket Thread 21.8 21.8 25.9 31.2 37.1 45.5 54.9 61.5 75.2 91.7 109.2 14.7 19.1 6 8 10 15 20 25 32 40 50 65 80 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 22.9 3.5 27.7 33.5 4.1 4.3 41.4 5.0 50.6 57.2 5.3 5.6 70.1 6.1 85.3 7.7 102.4 8.3 ·活接头适用于3000及3000以下级别；管件级别代号与管子壁厚等级的关系见后。 ·接管尺寸承插孔径d1、流通孔径d1、流通孔径d2和承插孔深度J与ASME B16.11 规定相同。 ·Unions only applie to the class 3000 and below it; the relations of pressure grade and schedule refer to hereafter. ·Dimensions of pipe,socket diameter d1,bore diameter d2 and the length ofthe depth of socket J are same to requirements of ASME B16.11.

承插焊管件的接管外径、承插孔径及流通孔径尺寸表

List of The Pipe Outside Diameter,Socket Diameter and Bore Diameter fo SW Fittings

GB/T 14383(A) 公称通径 Nominal Pipe Size 接管承插流通孔径 Bore DIA 接管承插流通孔径 Bore DIA 接管外径 外径 孔径 Pinpe Socket DIA DIA d2 DN NPS D d1 SCH80 SCH160 --- --- --- 14.1 18.9 --- --- --- 12.3 15.7 D d1 外径 孔径 Pinpe Socket DIA DIA d2 SCH80 SCH160 XXS --- --- -- --- --- 12 16 21 29 34 43 --- --- --- 7 11 16 22 28 38 D D1 SH 3410 GB/T 14383 (B)、HG/T 21634(metric) 承插孔径 DIA d2 SCH80 SCH160 3000 6000 --- --- --- 18 25 32 38 45 57 --- --- --- 18.5 25.5 32.5 38.5 45.5 57.8 --- --- --- 10.8 17.0 23.0 28.0 35.0 45.8 --- --- --- 9.01 3.81 9.4 25.4 30.9 39.4 10.5 11.0 13.8 14.3 D d1 流通孔径 Bore DIA Pipe DIA Socket 接管JIS B2316 承插流通孔径 Bore DIA HG/T 21634(NPS)、ASME B16.11 接管外径 Pinpe DIA d2 SCH80 SCH160 7.1 9.4 --- --- --- 12.3 16.2 D d1 外径 孔径 Pinpe Socket DIA DIA 承插孔径 Socket DIA 流通孔径 Bore DIA d2 3000 6000 9000 6.8 9.2 4.0 6.4 --- --- --- 6.4 11.3 6 8 10 15 20 25 32 40 50 65 80 100 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 --- --- --- --- --- --- --- --- --- --- 10.3 13.7 17.1 21.3 26.7 10.9 14.3 17.7 21.9 27.3 34.0 42.8 48.9 61.4 17 17.5 10 22 27 22.5 27.5 15 19 25 32 38 49 17.3 17.8 12.7 21.7 22.2 27.2 27.7 34.0 34.5 42.7 43.2 48.6 49.1 16.1 21.4 12.5 9.1 15.8 11.8 20.9 15.5 21.3 21.8 26.9 27.4 33.7 34.2 24.7 21.1 42.4 42.9 48.3 48.8 32.4 38.3 29.8 34.1 42.7 34 34.5 42 48 42.7 48.8 27.2 21.2 33.4 35.5 41.2 29.9 34.4 42.2 48.3 26.6 20.7 15.2 35.1 29.5 40.9 34.0 22.8 28.0 60.3 61.1 49.1 76.1 88.9 --- 60 60.8 60.5 61.1 52.7 43.1 60.3 52.5 42.9 38.2 承插焊管件尺寸的极限偏差 Tolerances for Socket-Welding Fittngs 单承口箍、半45°、90°弯头、三通、所有管件 所有管件 All Fittings All Fittings 公称通径 Nominal Pipe Size 四通、45°斜三通 Tees、Crosses、Laterals Couplings 管接头、异径插入件 Boss Reducer Inserts 承插孔径 Socket DIA DN 6-8 10-20 NPS 1/8-1/4 3/8-3/4 +0.3 0 25-50 1-2 +0.4 0 d1 中心至承插孔底 Center to Bottom of Socket A、H ±0.8 ±1.5 结构长度 Laying Length E ±1.5 ±3.0 主体外径 Shank DIA SD --- ±0.25 插入端长度 Shank Length SL --- 0 -1.5 0 -2.0 0 -2.5 公称装配长度 Length Assem Nominal L ±1.5 ±1.5 异径插入件 Reducer Inserts 异径插入件 Reducer Inserts 活接头（含螺纹） Unions(compriise threaded unions) 45°、90°Elbows、双承口管箍 Half-Couplings 流通孔径 Bore DIA 结构长度 Laying Length d2 F ±0.8 ±1.5 ±0.4 ±2.0 ±4.0 ±2.0 ±0.25 ±1.5 65-100 21/2-4 ±0.8 ±2.5 ±5.0 ±2.5 ±0.5 ±1.5 ·不同标准规定的极限偏差可能会略有差异，使用时请查阅原标准。 ·There may be differences between the tolerances of the different codes,and when using please refer to the original codes. SCH160和双加厚管的公称壁厚 ASME B16.11 Nominal Waill Thckness of Schedule 160 and Double Extra Strong Pipe In ASME B16.11 公称通径 Nominal Pipe Size DN 6 8 10 NPS 1/8 1/4 3/8 公称壁厚 Norminal Wall Thickness SCH160 3.15 3.68 4.01 XXS 4.83 6.05 6.40 ·由于ASME B36.10M 未包括DN6、8和10的SCH160和XXS的壁厚，表列数值可作为确定额定值时管子的公称壁厚。 ·Since ASME B36.10M does not include Schedule 160 nor include double Extra Strong thickness for DN6,8,and 10,the values in table may beused as the nominal wall thincknesses of the pipe for rating purposes. 管件级代号与管子壁厚代号的关系 Relevance of Fittings Class with Schedule Nunber or Wall Designation of pipe for Calculation of Ratings 用作额定计算依据的管子 管件级别代号 class designation fo Fitting 管件连生产建设形式 Type of Fitting Pipe Used for Ratin Basis 管子表号 Schedule NO. 2000 3000 6000 3000 6000 9000 螺纹 Threaded 螺纹 Threaded 螺纹 Threaded 承插焊 Socket-Welding 承插焊 Socket-Welding 承插焊 Socket-Welding 80 160 --- 80 160 --- 壁代号 Wall Designation XS --- XXS XS --- XXS ·本表并未限制使用较薄或较厚壁厚的管子和管件。实际采用的管子公称壁厚可小于或大于本表所示的管子公称壁厚。采用较薄管子时。其强度可支配额定值；采用较厚管子时（例如对机械强度而言），管件的强度支配额定值。 ·This table is nkt intended to restrict the use of pipes and fittings of thinner or thicker wall.Pipe actually used may be thinner or thicker in nominal wall than that shown in Table. When thinner pipe is used,its strength may govern the rating.When thincker pipe is used(e.g,formechanical strength),the strength of the fitting governs the rating.

螺纹管件 Threaded Fittings GB/T 1426、ASME B16.11 90°弯头、三通、四通 90°Elbows、Tees、Crosses 公称通径 Nominal Pipe Size 中心至端面 Center to End A DN 6 8 10 15 20 25 32 40 50 65 80 100 NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 SCH80 SCH160 2000 21 21 25 28 33 38 44 51 60 76 86 106 3000 21 25 28 33 38 44 51 60 64 83 95 114 45°弯头 45°Elbows 中心至端面 Center to End G 端部外径 所有管件 All Fittings 最小壁厚 螺纹长度 Length of Thread Min Outside Diameter of Band Minimum Wall Thickness D C XXS SCH80 SCH160 XXS SCH80 SCH160 XXS SCH80 SCH160 XXS 6000 2000 3000 6000 2000 25 28 33 38 44 51 60 64 83 95 106 114 17 17 19 22 25 28 33 35 43 52 64 79 17 19 22 25 28 33 35 43 44 52 64 79 19 22 25 28 33 35 43 44 52 64 79 79 22 22 25 33 38 46 56 62 75 92 109 146 3000 22 25 33 38 46 56 62 75 84 102 121 152 6000 2000 3000 25 33 3.18 3.18 3.18 3.30 3.51 4.09 4.32 6000 6.35 6.60 6.98 8.15 8.53 9.93 10.59 11.07 B 6.4 8.1 9.1 10.9 12.7 14.7 17.0 17.8 L2 6.7 10.2 10.4 13.6 13.9 17.3 18.0 18.4 19.2 28.9 30.5 33.0 38 3.18 46 56 3.18 3.18 62 3.68 4.98 75 84 3.89 4.01 5.28 5.56 102 4.27 7.14 12.09 19.0 121 146 5.61 5.99 7.65 8.84 15.29 16.64 23.6 25.9 152 6.55 11.18 18.67 27.7

螺纹管件 Threaded Fittings GB/T 1426、ASME B16.11 管箍、半管接头 Couplings、Boss 公称通径 Nominal Pipe Size 端面至端面 End to End E SCH160、XXS 3000、6000 32 35 38 48 51 60 67 79 86 92 108 121 端面至端面 End to End F SCH160 3000 19 25 25 32 37 41 44 44 48 60 65 68 XXS 6000 --- 27 27 33 38 43 46 48 51 64 68 75 管帽 Caps 底部壁厚 End Wall Thickness C min SCH160 3000 4.8 4.8 4.8 6.4 6.4 9.7 9.7 11.2 12.7 15.7 19.0 22.4 XXS 6000 --- 6.4 6.4 7.9 7.9 11.2 11.2 12.7 15.7 19.0 22.4 28.4 外径 Outside Diameter D SCH160 3000 16 19 22 28 35 44 57 64 76 92 108 140 XXS 6000 22 25 32 38 44 57 64 76 92 108 127 159 螺纹长度 Length of Thread Min 所有管件 All Fittings DN 6 8 10 15 20 25 32 40 50 65 80 100 NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 B 6.4 8.1 9.1 10.9 12.7 14.7 17.0 17.8 19.0 23.6 25.9 27.7 L2 6.7 10.2 10.4 13.6 13.9 17.3 18.0 18.4 19.2 28.9 30.5 33.0

螺纹管件 Threaded Fittings GB/T 1426、ASME B16.11 方头管塞 Square Head Plugs 公称通径 Nominal Pipe Size 长度 Length 方头高度 Height of Square 对边宽度 圆头管塞 Round Head Plugs 头部直径 Nominal Head DN 6 8 10 15 20 25 32 40 50 65 80 100 NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 11/2 2 21/2 3 4 L2 min 10 11 13 14 16 19 21 21 22 27 28 32 B min 6 6 8 10 11 13 14 16 18 19 21 25 C min 7 10 11 14 16 21 24 28 32 36 41 65 D 10 14 18 21 27 33 43 48 60 73 89 144 L min 35 41 41 44 44 51 51 51 64 70 70 76 长度 Length Width Flats Diameter of 六角头管塞和内外螺纹接头 Hex Plugs and Bushings 对边宽度 Width Flats (Nominal) S 11 16 18 22 27 36 46 50 65 75 90 115 六角头高度 Hex Heigh K min --- 3 4 5 6 6 7 8 9 10 10 13 H min 6 6 8 8 10 10 14 16 18 19 21 25 螺比试管件中的螺纹型式为GB/T 12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT；如采用其它型式的螺纹请在订货时注明。 The standards and codes of the threaded fittings is conical threaded NPT angle 60°of GB/T 12716(ANSI/ASME B1.20.1),and if requiring other types of thread,please indicate them in the purchased order. 螺比试管件的尺寸极限偏差 Tolerances for Threaded Fittings 90°、45°弯头、三通、四通 公称通径 Nominal Pipe Size 90°&45°Elbows & Tees & Crosses 中心至端面 Center to End DN 6-8 10-20 25-50 65-100 NPS 1/8-1/4 3/8-3/4 1-2 21/2-4 A ±0.7 ±1.5 ±2.0 ±2.5 双接口管箍、管帽 Couplings、Caps 端面至端面 End to End E、F ±0.7 ±1.5 ±2.0 单接口管箍、半管接头 Half- Couplings、Boss 端面至端面 End to End E/2 ±0.4 ±0.8 ±1.0

六角头双丝头 Hexagonal Nipples 公称通径 Nominal Pipe Size DN 6 8 8×6 10 10×8 15 15×10 15×8 20 20×15 20×10 25 25×20 25×15 32 32×25 32×20 32×15 40 40×32 40×25 40×20 40×15 50 NPS 1/8 1/4 1/4×1/8 3/8 3/8×1/4 1/2 1/2×3/8 1/2×1/4 3-4 3/4×1/2 3/4×3/8 1 1×3/4 1×1/2 11/4 11/4×1 11/4×3/4 11/4×1/2 11/2 11/2×11/4 11/2×1 11/2×3/4 11/2×1/2 2 C 6 6 6 8 8 8 8 8 10 10 10 10 10 10 12 12 12 12 16 16 16 16 16 18 E1 10 15 15 16 16 20 20 20 21 21 21 25 25 25 25 25 25 25 26 26 26 26 26 27 E2 --- --- 10 --- 15 --- 16 15 --- 20 16 --- 21 20 --- 25 21 20` --- 25 25 21 20 --- W 26 36 31 40 39 48 44 43 52 51 47 60 56 55 62 62 58 57 68 67 67 63 62 72 尺寸 Size D sch80 5 7 5 10 7 13 10 7 18 13 10 23 18 13 31 23 18 13 36 31 23 18 13 47 sch160 4 6 4 8 6 10 8 6 14 10 8 19 14 10 28 19 14 10 32 28 19 14 10 40 50×40 50×32 50×25 50×20 50×15 65 65×50 65×40 65×32 65×25 65×20 80 80×65 80×50 80×40 80×32 80×25 2×11/2 2×11/4 2×1 2×3/4 2×1/2 21/2 21/2×2 21/2×11/2 21/2×11/4 21/2×1 21/2×3/4 3 3×21/2 3×2 3×11/2 3×11/4 3×1 18 18 18 18 18 20 20 20 20 20 20 20 20 20 20 20 20 27 27 27 27 27 38 38 38 38 38 38 40 40 40 40 40 40 26 25 25 21 20 --- 27 26 25 25 21 --- 38 27 26 25 25 71 70 70 66 65 96 85 84 83 83 79 100 98 87 86 85 85 36 31 23 18 13 57 47 36 31 23 18 70 57 47 36 31 23 32 28 19 14 10 51 40 32 28 19 14 63 51 40 32 28 19 ·螺纹型式为GB/T 12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT;如采用其它型式的螺纹请在订货时注明. ·The standards and codes of the fittings is conical threaded NPT angle 60°of GB/T 12716(ANSI/ASME B1.20.1),and if requiring other types of thread,please indicate them in the purchased order.

六角头双丝头 Hexagonal Nipples 公称通径 Nominal Pipe Size DN 6 8 8×6 10 10×8 15 15×10 15×8 20 20×15 20×10 25 25×20 25×15 32 32×25 32×20 32×15 40 40×32 40×25 40×20 40×15 NPS 1/8 1/4 1/4×1/8 3/8 3/8×1/4 1/2 1/2×3/8 1/2×1/4 3-4 3/4×1/2 3/4×3/8 1 1×3/4 1×1/2 11/4 11/4×1 11/4×3/4 11/4×1/2 11/2 11/2×11/4 11/2×1 11/2×3/4 11/2×1/2 C 6 6 6 8 8 8 8 8 10 10 10 10 10 10 12 12 12 12 16 16 16 16 16 E1 10 15 15 16 16 20 20 20 21 21 21 25 25 25 25 25 25 25 26 26 26 26 26 E2 --- --- 10 --- 15 --- 16 15 --- 20 16 --- 21 20 --- 25 21 20` --- 25 25 21 20 W 26 36 31 40 39 48 44 43 52 51 47 60 56 55 62 62 58 57 68 67 67 63 62 尺寸 Size D sch80 5 7 5 10 7 13 10 7 18 13 10 23 18 13 31 23 18 13 36 31 23 18 13 sch160 4 6 4 8 6 10 8 6 14 10 8 19 14 10 28 19 14 10 32 28 19 14 10 50 50×40 50×32 50×25 50×20 50×15 65 65×50 65×40 65×32 65×25 65×20 80 80×65 80×50 80×40 80×32 80×25 2 2×11/2 2×11/4 2×1 2×3/4 2×1/2 21/2 21/2×2 21/2×11/2 21/2×11/4 21/2×1 21/2×3/4 3 3×21/2 3×2 3×11/2 3×11/4 3×1 18 18 18 18 18 18 20 20 20 20 20 20 20 20 20 20 20 20 27 27 27 27 27 27 38 38 38 38 38 38 40 40 40 40 40 40 --- 26 25 25 21 20 --- 27 26 25 25 21 --- 38 27 26 25 25 72 71 70 70 66 65 96 85 84 83 83 79 100 98 87 86 85 85 47 36 31 23 18 13 57 47 36 31 23 18 70 57 47 36 31 23 40 32 28 19 14 10 51 40 32 28 19 14 63 51 40 32 28 19 ·螺纹型式为GB/T 12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT;如采用其它型式的螺纹请在订货时注明. ·The standards and codes of the fittings is conical threaded NPT angle 60°of GB/T 12716(ANSI/ASME B1.20.1),and if requiring other types of thread,please indicate them in the purchased order.

螺纹短节 Nipples 公称通径 Nominal Pipe Size DN 6 8 10 15 20 25 32 40 50 65 80 100 NPS 1/8 1/4 3/8 1/2 3/4 1 11/4 1/2 2 21/2 3 4 管子外径 Outside Diameter of Pipe D 10.3 13.7 17.1 21.3 26.7 33.4 42.2 48.3 60.3 73.0 88.9 114.3 螺纹长度 Length of Thread Min L2 min 9.5 11.0 12.5 14.5 16.0 19.0 20.5 20.5 22.0 27.0 28.5 32.0 ·长度由顾客指定。 ·螺纹型式为GB/T 12716(ANSI/ASME B1.20.1)中的60°圆锥管螺纹NPT；如采用其它型式的螺纹请在订货时注明。 ·Size of end toend shall be required by customers. ·The standards and codes of the fittings is conical threaded NPT angle 60°of GB/T 12716(ANSI/ASME B120.1),and if requiring other types of thread,please indicate them in the purchased order. 75、100、150 SCH80、SCH160 长度 End to End L 管子壁厚 Wall Thickness of Pipe T

六角头双丝头与螺纹短节的极限偏差 Telerances for Hexagonal Nipples and Nipples 公称通径 Nominal Pipe Size DN 6-8 NPS 1/8-1/4 d +0 -0.8 +0 -0.8 +0 -1.5 +0 -2.5 六角头双丝头 Hexagonal Nipples C ±1 E1、E2 ±1.5 螺纹短节 Nipples L ±1.5 10-20 3/8-3/4 ±1 ±1.5 ±1.5 25-50 1-2 ±1 ±2.0 ±2.0 65-100 21/2-4 ±1 ±2.0 中国压力管道管件常用材料 The General Material for Chinese Pressure Piping FIttings 化学成份 钢种 Variety 牌号 Grade 标准号 Standard and Code 类型 Type C Si Chemical Composition%,max σb Mn Cr Ni Mo P S Other MPa 力学性能 Mechanical requirements σ5 δ5 MPa % HB max min min min 245 25 156 Other 20 20 20 20 20 碳钢 Carbon Steel 20G 20G 20g 20R Q235A Q235B GB/T699 GB 3087 GB/T8163 GB 9948 GB 711 GB 5310 GB 6479 GB 713 GB 6654 GB 3724 GB 3724 棒BAR 管PIPE 管PIPE 管PIPE 板PLATE 管PIPE 管PIPE 板PLATE 板PLATE 板PLATE 板PLATE 0.17-0.23 0.17-0.37 0.35-0.65 0.25 0.17-0.23 0.17-0.37 0.35-0.65 0.25 0.17-0.23 0.17-0.37 0.35-0.65 0.25 0.17-0.24 0.17-0.37 0.35-0.65 0.25 0.17-0.24 0.17-0.37 0.35-0.65 0.25 0.17-0.24 0.17-0.37 0.35-0.65 0.25 0.17-0.24 0.17-0.37 0.35-0.65 --- 0.20 0.20 0.14-0.22 0.12-0.20 0.15-0.30 0.50-0.90 --- 0.15-0.30 0.40-0.90 --- 0.30 0.30 0.30-0.65 --- 0.30-0.70 --- 0.30 0.30 0.30 0.25 0.25 --- 0.035 0.035 --- 0.035 0.035 --- 0.035 0.035 --- 0.035 0.035 --- 0.035 0.040 Cu:0.25 Cu:0.25 Cu:0.25 Cu:0.25 Cu:0.25 410 ψ%:55 --- --- Akv J:39 --- Akv J:35 ak J/cm 2:49 410-550 245 20 --- 410-550 245 20 --- 410-550 245 21 --- 410 --- 28 --- 0.25 0.15 0.030 0.030 Cu:0.20;V:0.08 410-550 245 24 --- --- --- --- --- --- --- 0.035 0.035 --- 0.035 0.035 --- 0.035 0.030 --- 0.045 0.050 --- 0.045 0.045 --- --- --- --- --- 410-550 245 24 --- 400-530 245 26 --- Akv J:27;aku J/cm2:29 400-520 245 25 --- 375-500 235 26 --- 375-500 235 26 --- Akv J:31 --- Akv J:27

1Cr5Mo 1Cr5Mo 1Cr5Mo 1Cr5Mo 12CrMo 12CrMo 12CrMo 12CrMoG 12Cr1MoV 12Cr1MoVG 12Cr1MoVg 12Cr2Mo 12Cr2MoG 15CrMo 15CrMo 15CrMo 15CrMoG 15CrMog 15CrMoR GB 1221 GB 6479 GB 9948 GB 9948 GB/T3077 GB 6479 GB 9948 GB 5310 GB/T 3077 GB 5310 GB 713 GB 6479 GB 5310 GB/T3077 GB 6479 GB 9948 GB 5310 GB 713 GB 6654 棒BAR 管PIPE 管PIPE 管PIPE 棒BAR 管PIPE 管PIPE 管PIPE 棒BAR 管PIPE 0.15 0.15 0.15 0.15 0.50 0.50 0.50 0.60 0.60 0.60 4.00-6.00 0.60 0.45-0.60 0.035 0.030 4.00-6.00 --- 0.45-0.60 0.035 0.030 4.00-6.00 0.60 0.45-0.60 0.035 0.030 --- Cu:0.25 Cu:0.25 Cu:0.25 Cu:0.30 Cu:0.25 Cu:0.25 Cu:0.20 590 390 18 --- --- ak J/cm 2:118 Aku J:92 Aku J:92 390-590 195 22 --- 390 390 410 195 22 187 175 22 179 0.50-1.00 0.30-0.60 2.15-2.85 --- 0.45-0.65 0.035 0.030 0.08-0.15 0.17-0.37 0.40-0.70 0.40-0.70 0.30 0.40-0.55 0.035 0.035 0.08-0.15 0.17-0.37 0.40-0.70 0.40-0.70 --- 0.40-0.55 0.035 0.035 0.08-0.15 0.17-0.37 0.40-0.70 0.40-0.70 0.30 0.40-0.55 0.035 0.035 0.08-0.15 0.17-0.37 0.40-0.70 0.40-0.70 0.30 0.40-0.55 0.030 0.030 265 24 179 ψ%:60;Aku2 J:110 ak J/cm 2:69 Aku J:55 Akv J:35 ψ%:50;Aku2 J:71 Akv J:35 Akv J:31 ak J/cm 2:48 Akv J:35 ψ%:60;Aku2 J:94 ak J/cm 2:59 Aku J:47 Akv J:35 Akv J:31 410-560 205 21 --- 410-560 205 21 156 410-560 205 21 --- 490 245 22 179 0.08-0.15 0.17-0.37 0.40-0.70 0.90-1.20 0.30 0.25-0.35 0.035 0.035 V:0.15-0.30;Cu:0.30 0.08-0.15 0.17-0.37 0.40-0.70 0.90-1.20 0.30 0.25-0.35 0.030 0.030 V:0.15-0.30;Cu:0.20 470-640 255 21 --- Cu:0.30 Cu:0.25 Cu:0.20 Cu:0.30 Cu:0.25 Cu:0.25 Cu:0.20 Cu:0.30 Cu:0.30 440 245 19 --- 板PLATE 0.08-0.15 0.17-0.37 0.40-0.70 0.90-1.20 0.30 0.25-0.35 0.030 0.030 管PIPE 管PIPE 棒BAR 管PIPE 管PIPE 管PIPE 0.08-0.15 0.40-0.70 0.08-0.15 0.50 0.50 2.00-2.50 --- 0.90-1.20 0.035 0.035 450-600 280 20 --- 450-600 280 20 --- 440 295 22 179 0.40-0.70 2.00-2.50 0.30 0.90-1.20 0.030 0.030 0.12-0.18 0.17-0.37 0.40-0.70 0.80-1.10 0.30 0.40-0.55 0.035 0.035 0.12-0.18 0.17-0.37 0.40-0.70 0.80-1.10 --- 0.40-0.55 0.035 0.035 0.12-0.18 0.17-0.37 0.40-0.70 0.80-1.10 0.30 0.40-0.55 0.035 0.035 0.12-0.18 0.17-0.37 0.40-0.70 0.80-1.10 0.30 0.40-0.55 0.030 0.030 440-640 235 21 --- 440-640 235 21 170 440-640 235 21 板PLATE 0.12-0.18 0.15-0.40 0.40-0.70 0.80-1.20 0.30 0.45-0.60 0.030 0.030 板PLATE 0.12-0.18 0.15-0.40 0.40-0.70 0.80-1.20 0.30 0.45-0.60 0.030 0.030 450-590 295 19 --- 450-590

化学成份 钢种 Variety 牌号 Grade 标准号 Standard and Code 类型 Type C Si Mn Chemical Composition%,max 力学性能 Mechanical requirements σb σ5 δ5 Cr Ni Mo P S Other MPa MPa % HB max min min min 480 177 40 187 480 177 40 187 480 175 35 --- 480 177 40 187 480 177 40 187 480 175 35 --- 520 205 40 187 520 205 40 187 520 205 35 --- 520 205 40 187 520 205 40 187 520 205 35 --- 520 205 40 187 520 205 40 187 520 205 35 --- 530 205 40 187 Other 00Cr17Ni14Mo2 GB 1220 00Cr17Ni14Mo2 GB 4237 00Cr17Ni14Mo2 GB/T 14976 00Cr19Ni10 00Cr19Ni10 00Cr19Ni10 0Cr17Ni12Mo2 奥氏体不锈钢 0Cr17Ni12Mo2 GB 1220 GB 4237 GB/T 14976 GB 1220 GB 4237 棒BAR 板PLATE 管PIPE 棒BAR 板PLATE 管PIPE 棒BAR 板PLATE 管PIPE 棒BAR 板PLATE 管PIPE 棒BAR 板PLATE 管PIPE 棒BAR 0.030 0.030 0.030 0.030 0.030 0.030 0.08 0.08 0.08 0.07 0.07 0.07 0.08 0.08 0.08 0.08 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 1.00 2.00 16.00-18.00 12.00-15.00 2.00-3.00 0.035 0.030 2.00 16.00-18.00 12.00-15.00 2.00-3.00 0.035 0.030 2.00 16.00-18.00 12.00-15.00 2.00-3.00 0.035 0.030 2.00 18.00-20.00 8.00-12.00 2.00 18.00-20.00 8.00-12.00 2.00 18.00-20.00 8.00-12.00 --- --- --- 0.035 0.030 0.035 0.030 0.035 0.030 --- --- --- --- --- --- --- --- --- --- --- --- Ti:5C Ti:5C Ti:5C Ti:5C～0.7 ψ%:60 --- --- ψ%:60 --- --- ψ%:60 --- --- ψ%:60 --- --- ψ%:50 --- --- ψ%:55 2.00 16.00-18.50 10.00-14.00 2.00-3.00 0.035 0.030 2.00 16.00-18.00 10.00-14.00 2.00-3.00 0.035 0.030 2.00 16.00-18.50 10.00-14.00 2.00-3.00 0.035 0.030 2.00 17.00-19.00 8.00-11.00 2.00 17.00-19.00 8.00-11.00 2.00 17.00-19.00 8.00-11.00 2.00 17.00-19.00 9.00-12.00 2.00 17.00-19.00 9.00-12.00 2.00 17.00-19.00 9.00-12.00 --- --- --- --- --- --- 0.035 0.030 0.035 0.030 0.035 0.030 0.035 0.030 0.035 0.030 0.035 0.030 Austenitic Stainless Steel 0Cr17Ni12Mo2 GB/T 14976 0Cr18Ni9 0Cr18Ni9 0Cr18Ni9 0Cr18Ni10Ti 0Cr18Ni10Ti GB 1220 GB 4237 GB/T 14976 GB 1220 GB 4237 0Cr18Ni10Ti GB/T 14976 0Cr18Ni12Mo2Ti GB 1220 2.00 16.00-19.00 11.00-14.00 1.80-2.50 0.035 0.030 0Cr18Ni12Mo2Ti GB 4237 板PLATE 0.08 1.00 2.00 16.00-19.00 11.00-14.00 1.80-2.50 0.035 0.030 Ti:5C～0.7 Ti:5C～0.7 --- Cu 530 205 37 187 --- 0Cr18Ni12Mo2Ti GB/T 14976 1Cr18Ni9 1Cr18Ni9 GB 4237 GB 5310 管PIPE 板PLATE 管PIPE 0.08 0.15 0.15 1.00 1.00 1.00 2.00 16.00-19.00 11.00-14.00 1.80-2.50 0.035 0.030 2.00 17.00-19.00 8.00-10.00 2.00 17.00-19.00 8.00-10.00 --- --- 0.035 0.030 0.035 0.030 530 205 35 --- 520 205 40 187 --- ---

0Cr26Ni5Mo2 0Cr26Ni5Mo2 双相不锈钢 Biphase Stainless Steel 0Cr26Ni5Mo2 GB 1220 棒BAR GB 4237 GB 14976 板PLATE 管PIPE 0.08 0.08 1.00 1.00 1.50 1.50 23.00-28.00 3.00-6.00 1.00-3.00 0.035 0.030 23.00-28.00 3.00-6.00 1.00-3.00 0.035 0.030 --- --- 590 590 390 18 277 ψ%:40 390 18 277 --- 0.08 1.00 1.50 23.00-28.00 3.00-6.00 1.00-3.00 0.035 0.030 --- --- N:0.10 590 590 590 390 18 --- 390 20 390 20 --- ψ%:40 --- 00Cr18Ni5Mo3Si2 GB 1220 棒BAR 00Cr18Ni5Mo3Si2 GB 4237 板PLATE 板PLATE 0.030 1.30-2.00 1.00-2.00 18.00-19.50 4.50-5.50 2.50-3.00 0.035 0.030 0.030 1.30-2.00 1.00-2.00 18.0.-19.5 4.5-5.5 2.5-3.0 0.030 0.030 09MnNiDR GB 3531 0.12 0.15-0.50 1.20-1.60 0.25 0.30-0.80 0.08 0.025 0.020 Nb:0.04;Als:0.015 440-570 290 22 --- Akv J:27 ak J/cm2:59 Akv J:27 低温钢 Low Temperature Steel 16Mn GB 6479 管PIPE 0.12-0.20 0.20-0.60 1.20-1.60 板PLATE 板PLATE 板PLATE --- --- --- 0.040 0.040 CU:0.25 490-670 320 21 16Mng GB 713 0.20 0.20-0.55 1.20-1.60 0.30 0.30 0.10 0.035 0.030 CU:0.30 510.-655 345 21 16MnDR GB 3531 0.20 0.15-0.50 1.20-1.60 0.25 0.40 0.08 0.030 0.025 CU:0.25 490-620 315 21 --- Akv J:24 16MnR GB 6654 0.20 0.20-0.55 1.20-1.60 0.30 0.30 --- 0.035 0.030 CU:0.30

材料的化学成分和力学性是指标会因为某项条件的规定而有所改变，使用时请查阅原标准。

·The index of material chemical composition and mechanical properties shall change as to some defined condition,and please refer to the priginal

化学成份 Chemical Composition %,max 类型 Variety 标准号 Standard and Code 级别 Grade C Mn P S Si Cr Mo Ni Cu Other 力学性能 Mechanical requirements σb σ0.2 δ % min 22 20 22 16 25 HB max --- --- --- --- 290 MPa MPa min min Other WPL6 ASTM 管件 FITTING ASTM A815/A815M ASTM A105/A105M A420/A420M WPL9 WPL3 WPL8 UNS S31803 A105 F11 CL1 F11 CL2 F11 CL3 锻件 FORGING ASTM A182/A182M F12 CL1 F12 CL2 F304 F304H F304L F316L F317 0.30 0.20 0.20 0.13 0.030 0.60-1.35 0.035 0.040 0.15-0.30 0.40-1.06 0.030 0.030 --- 0.30 --- --- --- 0.12 --- --- --- 0.40 0.40 Cb:0.02;V:0.08 415-585 240 --- --- --- 435-610 315 450-620 240 690-865 515 --- --- --- --- --- 1.60-2.24 0.75-1.25 3.2-3.8 8.4-9.6 --- --- --- 0.31-0.64 0.05 0.05 0.13-0.37 0.90 2.0 0.030 0.030 0.13-0.37 0.030 0.020 0.10 21.0-23.0 2.50-3.50 4.5-6.5 N:0.08-0.20 620-795 450 0.35 0.60-1.05 0.035 0.040 0.10-0.35 0.30 0.12 0.40 --- --- --- --- --- 8.0-11.0 8.0-11.0 8.0-13.0 0.40 --- --- --- --- --- --- --- --- --- --- V:0.05;Nb:0.02 --- --- --- --- --- N:0.10 --- N:0.10 N:0.10 --- 485 415 485 515 415 485 515 515 485 485 515 250 205 275 310 205 275 205 205 170 170 205 22 20 20.0 20 20 20.0 30 30 30 30 30 187 ψ%:30 0.05-0.15 0.30-0.60 0.030 0.030 0.50-1.00 1.00-1.50 0.44-0.65 0.10-0.20 0.30-0.80 0.040 0.040 0.50-1.00 1.00-1.50 0.44-0.65 0.10-0.20 0.30-0.80 0.040 0.040 0.50-1.00 1.00-1.50 0.44-0.65 0.05-0.15 0.30-0.60 0.045 0.045 0.50 0.80-1.25 0.44-0.65 121-174 ψ%:45 143-207 ψ%:30 156-207 ψ%:45 121-174 ψ%:30 143-207 ψ%:50 --- --- --- --- --- ψ%:50 ψ%:50 ψ%:50 ψ%:50 ψ%:50 0.10-0.20 0.30-0.80 0.040 0.040 0.10-0.60 0.80-1.25 0.44-0.65 0.08 0.04-0.10 0.035 0.035 0.08 2.00 2.00 2.00 2.00 2.00 0.045 0.030 0.045 0.030 0.045 0.030 0.045 0.030 0.045 0.030 1.00 1.00 1.00 1.00 1.00 18.0-20.0 18.0-20.0 18.0-20.0 --- --- --- 16.0-18.0 2.00-3.00 10.0-15.0 18.0-20.0 3.00-4.00 11.0-15.0

F321 F347 0.08 0.08 2.00 2.00 0.045 0.030 0.045 0.030 1.00 1.00 17.0-19.0 17.0-20.0 --- --- 9.0-12.0 9.0-13.0 --- --- Ti:5C%-0.7 Ti:10C%-1.10 515 515 205 205 30 30 --- --- ψ%:50 ψ%

ASTM A53/A53M ASTM A106 B B C TP304 0.30 0.30 0.35 0.08 1.20 0.05 0.045 --- 0.40 0.40 0.40 18.0-20.0 18.0-20.0 18.0-20.0 16.0-18.0 17.0-20.0 4.00-6.00 4.00-6.00 4.00-6.00 0.15 0.15 0.15 --- --- --- 0.40 0.40 0.40 8.0-11.0 8.0-11.0 8.0-13.0 0.40 0.40 0.40 --- --- --- V:0.08 V:0.08 V:0.08 --- --- --- --- Ti:5C%-0.7 --- --- Ti:4C%-0.7 --- --- --- --- See standard --- --- --- 415 415 485 515 515 485 485 515 415 415 415 415 415 415 415 585 240 See standard --- --- 240 275 205 205 170 170 205 205 205 205 205 205 220 205 415 22 20 35 35 35 35 35 22 22 22 22 22 22 22 20 25 23 21 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 0.29-1.06 0.035 0.035 0.10min 0.29-1.06 0.035 0.035 0.10min 2.00 2.00 2.00 2.00 2.00 0.040 0.030 0.040 0.030 0.040 0.030 0.040 0.030 0.040 0.030 0.75 0.75 0.75 0.75 0.75 0.50 TP304H 0.04-0.10 ASTM A312/A312M TP304L TP316L 管 PIPE TP321 P5 P5B P5C ASTMA335/A335M P9 P11 P12 P22 P91 60 板 PLATE ASTM A515/A515M 65 70 0.035 0.035 0.08 0.15 0.15 0.12 0.15 2.00-3.00 10.0-15.0 --- --- 0.45-0.65 0.45-0.65 0.45-0.65 9.0-13.0 --- --- --- --- --- --- --- 0.40 --- --- --- --- --- --- --- --- --- --- --- --- --- --- --- 0.30-0.60 0.025 0.025 0.30-0.60 0.025 0.025 1.00-2.00 0.30-0.60 0.025 0.025 0.50 0.30-0.60 0.025 0.025 0.50-1.00 8.00-10.00 0.90-1.10 1.00-1.50 0.80-1.25 1.90-2.60 8.00-9.50 --- --- --- 0.44-0.65 0.44-0.65 0.87-1.13 0.85-1.05 --- --- --- 0.05-0.15 0.30-0.60 0.025 0.025 0.50-1.00 0.05-0.15 0.30-0.61 0.025 0.025 0.05-0.15 0.30-0.60 0.025 0.025 0.50 0.50 0.08-0.12 0.30-0.60 0.020 0.010 0.20-0.50 0.24 0.28 0.31 0.98 0.98 1.30 0.035 0.035 0.13-0.45 0.035 0.035 0.13-0.45 0.035 0.035 0.13-0.45 415-550 220 450-585 240 485-620 260 ·材料的化学成份和力学性指标会因为某项条件的规定而有所改变,使用时请查阅原标准. ·The index of material chemical composition and mechanical properties shall change as to some defined condition,and please refer to the original standard.

管件形位公差

mm

mm in 角度偏移 Q 倾斜度 偏差 平面偏移 P 管件坡口形式

项 目 公 称 直 径 15～100 125～200 250～300 350～400 450～600 650～750 800～1050 1100～1200 1/2～4 5～8 10～12 14～16 18～24 26～30 32～42 44～48 1 2 3 3 4 5 5 5 2 4 5 7 10 10 13 20

压力等级表(HG 5010.10～16-58,HGJ 514-87,SY 7510-87)

mm

2.5MPa 4.0MPa 6.4MPa 10.0MPa 公称直径 Dg HG HGJ SY HG HGJ SY HG HGJ SY HG HGJ SY 25 3 3 3 3 3.5 3 4 4 32 3 3 3 3 3.5 3.5 4.5 4.5 40 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 4.5 4.5 4.5 50 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 3.5 5 5 5 65 4 4 4 4 4 4 4.5 4.5 4.5 6 6 6 80 4 4 4 4 4 4 5 5 5 6 7 7 100 4 4 4 4 4 4 6 6 6 8 8 8 125 4 4 4 4 4 4.5 6 6 7 9 9 10 150 4.5 4.5 4.5 4.5 4.5 5 6 7 8 10 10 12 175 6 6 7 200 6 6 6 6 6 7 9 9 10 12 12 14 225 7 7 9 250 8 7 7 8 7 7 11 11 11 16 300 8 8 8 9 9 9 12 12 12 20 350 9 9 9 10 9 9 15 22 400 9 9 9 11 11 11 16 25 450 9 9 10 12 500 9 9 11 600 9 9 12 注：表中HG为HG5010-87标准，HGJ为HGJ514-87,SY为SY7510-87标准。 管件尺寸公差

16.0MPa HG HGJ SY 7 7 8 9 10 12 14 18 mm 全部管件 公称直径 in 1/2～15～65 2.1/2 80～90 3～3.1/2 100 4 125～150 5～6 200 8 250 10 300～450 12～18 500～600 20～24 650～750 26～30 800～32～48 1200 端部外径 D 1 1 +2，-1 +3，-1 2 +4,-3 +4,-3 +6,-5 +7,-5 +7，-5 端部内径 (ID) 0.8 90o 45o弯头 异径接三通，四通 头 壁 厚 (T) ≮公称 结构尺寸 A,B,C,M 2 2 2 2 2 2 3 3 3 5 高度 H 2 2 2 2 2 2 3 3 3 5 mm 180o弯头 管帽 中心高 端面误高距 度 差 度 E O K U 4 4 4 7 7 7 7 7 10 10 7 7 7 7 7 10 10 10 … … 7 7 7 7 7 7 7 7 … … 1 1 1 1 1 2 2 2 … … 1.6 壁厚的 1.6 87.5% 1.6 Not 1.6 Inss 3.2 than 3.2 87.5% 4.8 of nominal 4.8 thick- 4.8 ness

壁厚分级表 ANSI B36.10 ＆ B36.19

mm Nom Nominal Wall Thickness Nom Pipe Pipe OD Sch Sch Sch Sch Sch Sch Sch Sch Sch Sch Sch Sch Size STD XS XXS Size 5s 10s 10 20 30 40 60 80 100 120 140 160 (in) (in) 1/8 10.3 - 1.24 - - - 1.73 1.73 2.41 - 2.41 - - - - - 1/8 1/4 13.7 - 1.65 - - - 2.24 2.24 3.02 - 3.02 - - - - - 1/4 3/8 17.1 - 1.65 - - - 2.31 2.31 3.20 - 3.20 - - - - - 3/8 1/2 21.3 1.65 2.11 - - - 2.77 2.77 3.73 - 3.73 - - - 4.78 7.47 1/2 3/4 26.7 1.65 2.11 - - - 2.87 2.87 3.91 - 3.91 - - - 5.56 7.82 3/4 1 33.4 1.65 2.77 - - - 3.38 3.38 4.55 - 4.55 - - - 6.35 9.09 1 1.1/4 42.2 1.65 2.77 - - - 3.56 3.56 4.85 - 4.85 - - - 6.35 9.70 1.1/4 1.1/2 48.3 1.65 2.77 - - - 3.68 3.68 5.08 - 5.05 - - - 7.14 10.15 1.1/2 2 60.3 1.65 2.77 - - - 3.91 3.91 5.54 - 5.54 - - - 8.74 11.07 2 2.1/2 73.0 2.11 3.05 - - - 5.16 5.16 7.01 - 7.01 - - - 9.53 14.01 2.1/2 3 88.9 2.11 3.05 - - - 5.49 5.49 7.62 - 7.62 - - - 11.13 15.24 3 3.1/2 101.6 2.11 3.05 - - - 5.74 5.74 8.08 - 8.08 - - - - - 3.1/2 4 114.3 2.11 3.05 - - - 6.02 6.02 8.56 - 8.56 - 11.13 - 13.49 17.12 4 5 141.3 2.77 3.40 - - - 6.55 6.55 9.53 - 9.53 - 12.70 - 15.88 18.05 5 6 168.3 2.77 3.40 - - - 7.11 7.11 10.97 - 10.97 - 14.27 - 18.26 21.95 6 8 219.1 2.77 3.76 - 6.35 7.04 8.18 8.18 12.70 10.31 12.70 15.09 18.26 20.62 23.01 22.23 8 10 273.1 3.40 4.19 - 6.35 7.80 9.27 9.27 12.70 12.70 15.09 18.26 21.44 25.40 28.58 25.40 10 12 323.9 3.96 4.57 - 6.35 8.38 9.53 10.31 12.70 14.27 17.48 21.44 25.40 28.58 33.32 25.40 12 14 355.6 3.96 4.78 6.35 7.92 9.53 9.53 11.13 12.70 15.09 19.08 23.83 27.79 31.75 35.71 - 14 16 406.4 4.19 4.78 6.35 7.92 9.53 9.53 12.70 12.70 16.66 21.44 26.19 30.96 36.53 40.49 - 16 18 457 4.19 4.78 6.35 7.92 11.13 9.53 14.27 12.70 19.05 23.83 29.36 34.93 39.67 45.24 - 18 20 508 4.78 5.54 6.35 9.53 12.70 9.53 15.09 12.70 20.62 26.19 32.54 38.10 44.45 50.01 - 20 22 559 4.78 5.54 6.35 9.53 12.70 9.53 - 12.70 22.23 28.58 34.93 41.28 47.63 53.98 - 22 24 610 5.54 6.35 6.35 9.53 14.27 9.53 17.48 12.70 24.61 30.96 38.89 46.02 52.37 59.54 - 24 26 660 - - 7.92 12.70 - 9.53 - 12.70 - - - - - - - 26 28 711 - - 7.92 12.70 15.88 9.53 - 12.70 - - - - - - - 28 30 762 6.35 7.92 7.92 12.70 15.88 9.53 - 12.70 - - - - - - - 30 32 813 - - 7.92 12.70 15.88 9.53 17.48 12.70 - - - - - - - 32 34 864 - - 7.92 12.70 15.88 9.53 17.48 12.70 - - - - - - - 34 36 914 - - 7.92 12.70 15.88 9.53 17.48 12.70 - - - - - - - 36 38 965 - - - - - 9.53 - 12.70 - - - - - - - 38 40 1016 - - - - - 9.53 - 12.70 - - - - - - - 40 42 1067 - - - - - 9.53 - 12.70 - - - - - - - 42 44 1118 - - - - - 9.53 - 12.70 - - - - - - - 44 46 1168 - - - - - 9.53 - 12.70 - - - - - - - 46 48 1219 - - - - - 9.53 - 12.70 - - - - - - - 48

壁厚分级表 GB 12459-90 GB/T 13401-92

mm

公称直 径DN 外径(D) 公 称 壁 厚 A B Sch Sch Sch Sch Sch Sch Sch Sch Sch Sch Sch Sch LG STD XS 系列 系列 5s 10s 20s 20 30 40 60 80 100 120 140 160 15 21.3 18 1.6 2.1 2.6 - - - - 2.9 - - 3.6 - - - 4.5 20 26.9 25 1.6 2.1 2.6 - - - - 2.9 - - 4.0 - - - 5.6 25 33.7 32 1.6 2.8 3.2 - - - - 3.2 - - 4.5 - - - 6.3 32 42.4 38 1.6 2.8 3.2 - - - - 3.6 - - 5.0 - - - 6.3 40 48.3 45 1.6 2.8 3.2 - - - - 3.6 - - 5.0 - - - 7.1 50 60.3 57 1.6 2.8 3.6 - 3.2 - - 4.0 - - 5.6 - - - 8.8 65 76.1 73 2.0 3.0 3.6 - 4.5 - - 5.0 - - 7.1 - - - 10.0 80 88.9 89 2.0 3.0 4.0 - 4.5 - - 5.6 - - 8.0 - - - 11.0 90 101.6 - 2.0 3.0 4.0 - 4.5 - - 5.6 - - 8.0 - - - 12.5 100 114.3 108 2.0 3.0 4.0 - 5.0 - - 5.9 - - 8.8 - 11.0 - 14.2 125 139.7 133 2.9 3.4 4.0 - 5.0 - - 6.3 - - 10.0 - 12.5 - 16.0 150 168.3 159 2.9 3.4 4.0 - 5.0 - - 7.1 - - 11.0 - 14.2 - 17.5 200 219.4 219 2.9 4.0 6.3 - 6.3 7.1 - 8.0 10.0 - 12.5 16.0 17.5 20.0 22.2 250 273.0 273 3.6 4.0 6.3 - 6.3 8.0 - 8.8 12.5 - 16.0 17.5 22.2 25.0 28.0 300 323.9 325 4.0 4.0 6.3 - 6.3 8.8 - 10.0 14.2 - 17.5 22.2 25.0 28.0 32.0 350 355.6 377 4.0 5.0 - 8.0 8.0 10.0 10.0 11.0 16.0 13.0 20.0 25.8 28.0 32.0 36.0 400 406.4 426 4.0 5.0 - 8.0 8.0 10.0 0.0 12.5 17.5 13.0 22.2 28.5 30.0 36.0 40.0 450 457.0 480 4.0 5.0 - 8.0 8.0 11.0 10.0 14.2 20.0 13.0 25.0 30.0 36.0 40.0 45.0 500 508.0 529 5.0 5.6 - 8.0 10.0 12.5 10.0 16.0 20.0 13.0 28.0 32.0 40.0 45.0 50.0 550 559 - 5.0 5.6 - 8.0 - - 10.0 - - 13.0 30.0 - - - - 600 610 630 5.6 6.3 - 8.0 - - 10.0 17.5 - 13.0 32.0 - - - - 650 660 - - - - 8.0 - - 10.0 - - 13.0 - - - - - 700 711 720 - - - 8.0 - - 10.0 - - 13.0 - - - - - 750 762 - - - - 8.0 - - 10.0 - - 13.0 - - - - - 800 813 820 - - - 8.0 - - 10.0 - - 13.0 - - - - - 850 864 - - - - 8.0 - - 10.0 - - 13.0 - - - - - 900 914 920 - - - 8.0 - - 10.0 - - 13.0 - - - - - 950 965 - - - - 8.0 - - 10.0 - - 13.0 - - - - - 1000 1016 1020 - - - 8.0 - - 10.0 - - 13.0 - - - - - 1050 1067 - - - - 8.0 - - 10.0 - - 13.0 - - - - - 1100 1118 1120 - - - 8.0 - - 10.0 - - 13.0 - - - - - 1150 1168 - - - - 8.0 - - 10.0 - - 13.0 - - - - - 1200 1219 1220 - - - 8.0 - - 10.0 - - 13.0 - - - - -

壁厚表 GB 12459、GB/T 13401

外径

公称通径

A系列

B系列 18 25 32 38 45 57

Sch Sch Sch 5s 10s 20s

LG

Sch Sch 20 30 ┅ ┅ ┅ ┅ ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

STD

公称壁厚 T

Sch Sch 40 60 2.9 2.9 3.2 3.6 3.6 4.0 5.0 5.6 5.6 5.9 6.3 7.1

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

Xs

Sch 80 3.6 4.0 4.5 5.0 5.0 5.6 7.1 8.0 8.0 8.8 10.0 11.1 12.5 16.0

Sch 100 ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ 16.0 17.5

Sch 120 ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ 11.0 12.5 14.2 17.5 22.2

Sch 140 ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ 20.0 25.0

Sch 160 4.5 5.6 6.3 6.3 7.1 8.8 10.0 11.0 12.5 14.2 16.0 17.5 22.2 28.0 32.0

15 20 25 32 40 50 65 80 90 100 125 150 200 250 300

21.3 26.9 33.7 42.4 48.3 60.3

1.6 2.1 2.6 ┅ 1.6 2.1 2.6 ┅ 1.6 2.8 3.2 ┅ 1.6 2.8 3.2 ┅ 1.6 2.8 3.2 ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

1.6 2.8 3.6 ┅ 3.2 2.0 3.0 3.6 ┅ 4.5 2.0 3.0 4.0 ┅ 4.5 2.0 3.0 4.0 ┅ 4.5

76.1(73) 76 88.9 101.6 114.3 139.7 168.3 219.1 273.0 323.9

89 ┅

108 2.0 3.0 4.0 ┅ 5.0 133 2.9 3.4 5.0 ┅ 5.0 159 2.9 3.4 5.0 ┅ 5.6

219 2.9 4.0 6.3 ┅ 6.3 7.1 273 3.6 4.0 6.3 ┅ 6.3 8.0 325 4.0 4.5 6.3 ┅ 6.3 8.8

8.0 10.0 ┅ 8.8 12.5 ┅ 10.0 14.2 ┅

17.5 22.2 25.0 28.0

350 400 450 500 550 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200

355.6 406.4 457.2 508.0 559 610 660 711 762 813 864 914 965 1016 1067 1118 1168 1220

377 4.0 5.0 8.0 8.0 8.0 10.0 10.0 11.0 16.0 13.0 20.0 426 4.0 5.0 8.0 8.0 8.0 10.0 10.0 12.5 17.5 13.0 22.2 478 4.0 5.0 8.0 8.0 8.0 11.0 10.0 14.2 20.0 13.0 25.0

25.8 28.0 30.0

28.0 30.0 36.0

32.0 36.0 40.0

36.0 40.0 45.0 50.0

529 5.0 5.6 8.0 8.0 10.0 12.5 10.0 16.0 20.0 13.0 28.0 32.0 40.0 45.0 ┅ ┅ 720 ┅ 820 ┅ 920 ┅ ┅

5.0 5.6 ┅ 8.0 ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅ ┅ 8.0 ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅ 10.0 ┅

┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅ ┅

13.0 13.0 30.0 13.0 32.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0 13.0

630 5.6 6.3 ┅ 8.0 ┅ 10.0 17.5 ┅

1020 ┅ ┅

1120 ┅ ┅ ┅

┅ ┅

1220 ┅ ┅

注：1、sch5s、10s、20s用于不锈钢管件。

2、GB 12459 为无缝对焊管件标准，GB/T 13401为钢板制对焊管件标准。

RATING OF THK.：SCH.40/SCH.80/STD.WT. ENDS ：BE/T&C/THD./THRD.

螺纹接头 RATING OF THK.：SCH.80 ENDS ：TBE / BLE/TSE

英文名称是SWAGE NIPPLE，不知我翻译的对不对 三通 RATING OF THK.：SCH.40/3000#/150#/STD.WT. ENDS ：BW/THD.(F)/THRD(F)/SCR'D 法兰 RATING OF THK.：150#/300# ENDS ：W.N./SCRD/S.O./THRD. 半联轴器 RATING OF THK.：3000# ENDS ：THD.FEMALE 端接管 RATING OF THK.：SCH80

ENDS ：THR'D/TBE / POE/TOE /THRD.(F) 无缝钢管的壁厚

鋼管比較!

对呀,钢材都涨价啦,还要价目表干嘛?要随时询价才是最新价格.

(2010年)最新公称压力（MPa)管道壁厚对照表

（一）无缝碳钢管壁厚 m m

材料 PN DN MPa 10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4 4 2.5 2.5 3 3 3 2 3.5 3.5 4 4 4 4 4 4.5 5 4.5 5 5.5 7 8 9 6 6 8 7 7 9 7 7 8 8 8 8 8 9 9 10 20 12CrMo 15CrMo 4.0 2.5 3 3 3 3 3.5 3.5 4 4 4.5 5 6.4 3 3 3 3.5 3.5 3.5 4 4.5 5 6 10.0 3 3.5 3.5 4 4.5 4.5 5 6 7 8 7 9 10 11 12 13 15 11 12 14 16 17 19 22 8 9 10 13 15 18 20 22 12Cr1MoV 16.0 4 4.5 5 5 6 6 7 8 9 11 13 15 19 24 26 30 34 20.0 4 4.5 5 6 6 7 8 9 11 13 15 18 22 28 32 36 4.0T 3.5 4 4 4.5 5 5 5.5 4 5 7 7 8 8 8 9 8 9 ≤1.6 2.5 3 3 3 3 3.5 3.5 4 4.5 4 2.5 2.5 3 3 3 3 3.5 3.5 4 4.5 4 4.0 2.5 3 3 3 3 3.5 3.5 4 4.5 5 10 Cr5Mo 6.4 3 3 3 3.5 4 4 4.5 5 5.5 7 10.0 3 3.5 4 4 4.5 5 5.5 7 8 9 4.5 5.5 7 4.5 5.5 7 8 9 10 12 5.5 6 8 9 10 11 12 14 15 18 11 13 14 16 18 20 22 26 6 8 7 9 10 12 15 18 22 24 26 16.0 4 4.5 5 5 6 7 8 9 10 12 15 18 22 28 32 36 40 20.0 4 4.5 5 6 7 8 9 11 12 15 18 22 26 34 38 4.0T 3.5 4 4 4.5 5 5 5.5 6 7 9 6 7 ≤1.6 2.5 2.5 2.5 3 3 3 3 3.5 3.5 3.5 3.5 4 2.5 2.5 2.5 2.5 3 3 3 3 3.5 3.5 3.5 3.5 4 4.0 2.5 2.5 2.5 3 3 3 3 3.5 3.5 4 16Mn 15MnV 6.4 2.5 3 3 3 3.5 3.5 3.5 4 4.5 5 10.0 3 3 3.5 3.5 4 4 4.5 5 6 7 16.0 3.5 3.5 4 4.5 5 5 6 7 8 9 4.5 5 6 8 7 9 4.5 5 4.5 5 6 8 7 9 5.5 6 5.5 6 8 8 10 11 12 11 12 13 14 16 18 11 13 15 17 19 11 12 16 19 22 25 28 20.0 3.5 4 4.5 5 5.5 6 7 8 9 11 13 15 19 24 26 30 (二)无缝不锈钢管壁厚 mm 材料 PN DN MPa 10 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350 400 450 500 600 3 3 3.5 3.5 3.5 4 3.5 3.5 4 4.5 5 4 4.5 5 7 1Cr18Ni9Ti ≤1.0 2 2 2 2.5 2.5 2.5 2.5 2.5 2.5 3 含Mo不锈钢 1.6 2 2.5 2.5 2.5 2.5 2.5 3 3 3 3 4.5 5 6 6 2.5 2 2.5 2.5 2.5 2.5 2.5 3 3 3 3.5 3.5 4 4.0 2 2.5 2.5 2.5 2.5 2.5 3 3 3.5 4 6.4 2.5 2.5 2.5 3 3 3 3.5 4 4.5 5 4.0T 3 3.5 3.5 4 4 4 4.5 4.5 5 6 7 6 8 7 8 9 10 10 11 13 14 （三）焊接钢管壁厚 mm 材料 PN DN MPa 200 250 300 350 400 450 500 600 700 800 900 1000 1100 1200 1400 1600 0.25 5 0.6 5 5 5 5 6 8 3 3 5 6 6 7 9 3 5 6 6 7 9 3 5 6 6 8 5 6 7 8 5 6 7 9 6 7 8 6 7 8 6 7 9 6 7 9 6 8 10 6 8 11 15 7 8 11 16 7 9 12 7 10 焊接碳钢管 （Q235A20） 1.0 5 1.6 6 2.5 7 10 11 12 13 14 10 11 12 13 15 16 3.5 3.5 3.5 4 4 4 4 5 7 0.25 3 0.6 3 焊接不锈钢管 4.5 4.5 6 8 6 3.5 3.5 3.5 4 4.5 4.5 5 6 8 6 9 7 9 4.5 5 7 9 1.0 3.5 3.5 4 1.6 4 2.5 5 4.5 5 6 7 5.5 6 7 8 10 10 12 13 15

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