sch壁厚等级对照表

公称通径 Nominal Pipe Size 外径 Outside Diameter 公称壁厚 T Norminal Wall Thickness NPS BN D SCH5s SCH10s SCH10 SCH20 SHC30 SCH40s STD SCH40 SCH60 SCH80s XS SCH80 SCH100 SCH120 SCH104 SCH160 XXS 1/8 1/4 3/8 6 8 10 10.3 13.7 17.1 - - - 1.24 1.65 1.65 - - - - - - - - - 1.73 2.24 2.31 1.73 2.24 2.31 1.73 2.24 2.31 - - - 2.41 3.02 3.20 2.41 3.02 3.20 2.41 3.02 3.20 - - - - - - - - - - - - - - - 1/2 3/4 1 15 20 25 21.3 26.7 33.4 1.65 1.65 1.65 2.11 2.11 2.77 - - - - - - - - - 2.77 2.87 3.38 2.77 2.87 3.38 2.77 2.87 3.38 - - - 3.73 3.91 4.55 3.73 3.91 4.55 3.73 3.91 4.55 - - - - - - - - - 4.78 5.56 6.35 7.47 7.82 9.09 11/4 11/2 2 32 40 50 42.2 48.3 60.3 1.65 1.65 1.65 2.77 2.77 2.77 - - - - - - - - - 3.56 3.68 3.91 3.56 3.68 3.91 3.56 3.68 3.91 - - - 4.85 5.08 5.54 4.85 5.08 5.54 4.85 5.08 5.54 - - - - - - - - - 6.35 7.14 8.74 9.70 10.15 11.07 21/2 3 65 80 73.0 88.9 2.11 2.11 3.05 3.05 - - - - - - 5.16 5.49 5.16 5.49 5.16 5.49 - - 7.01 7.62 7.01 7.62 7.01 7.62 - - - - - - 9.53 11.13 14.02 15.24 31/2 90 101.6 2.11 3.05 - - - 5.74 5.74 5.74 - 8.08 8.08 8.08 - - - - - 4 5 6 100 125 150 114.3 141.3 168.3 2.11 2.77 2.77 3.05 3.40 3.40 - - - - - - - - - 6.02 6.55 7.11 6.02 6.55 7.11 6.02 6.55 7.11 - - - 8.56 9.53 10.97 8.56 9.53 10.97 8.56 9.53 10.97 - - - 11.13 12.70 14.27 - - - 13.49 15.88 18.26 17.12 19.05 21.95 8 10 12 200 250 300 219.1 273.1 323.9 2.77 3.40 3.96 3.76 4.19 4.57 - - - 6.35 6.35 6.35 7.04 7.80 8.38 8.18 9.27 9.53 8.18 9.27 9.53 8.18 9.27 10.31 10.31 12.70 14.27 12.70 12.70 12.70 12.70 12.70 12.70 12.70 15.09 17.48 15.09 18.26 21.44 18.26 21.44 25.40 20.62 25.40 28.58 23.01 28.58 33.32 22.23 25.40 25.40 14 16 18 350 400 450 355.6 406.4 457.2 3.96 4.19 4.19 4.78 4.78 4.78 6.35 6.35 6.35 7.92 7.92 7.92 9.53 9.53 11.13 - - - 9.53 9.53 9.53 11.13 12.70 14.27 15.09 16.66 19.05 - - - 12.70 12.70 12.70 19.05 21.44 23.83 23.83 26.19 29.36 27.79 30.96 34.93 31.75 36.53 39.67 35.71 40.49 45.24 - - - 20 22 24 500 - 600 508 559 610 4.78 4.78 5.54 5.54 5.54 6.35 6.35 6.35 6.35 9.53 9.53 9.53 12.70 12.70 14.27 - - - 9.53 9.53 9.53 15.09 - 17.48 20.62 22.23 24.61 - - - 12.70 12.70 12.70 26.19 28.58 30.96 32.54 34.93 38.89 38.10 41.28 46.02 44.45 47.63 52.37 50.01 53.98 59.54 - - - 26 28 30 - 700 - 660 711 762 - - 6.35 - - 7.92 7.92 7.92 7.92 12.70 12.70 12.70 - 15.88 15.88 - - - 9.53 9.53 9.53 - - - - - - - - - 12.70 12.70 12.70 - - - - - - - - - - - - - - - - - - 32 34 36 800 - 900 813 864 914 - - - - - - 7.92 7.92 7.92 12.70 12.70 12.70 15.88 15.88 15.88 - - - 9.53 9.53 9.53 17.48 17.48 19.05 - - - - - - 12.70 12.70 12.70 - - - - - - - - - - - - - - - - - - 38 40 42 - 1000 - 965 1016 1067 - - - - - - - - - - - - - - - - - - 9.53 9.53 9.53 - - - - - - - - - 12.70 12.70 12.70 - - - - - - - - - - - - - - - - - - 44 46 48 1100 - 1200 1118 1168 1219 9.53 9.53 9.53 12.70 12.70 12.70 - - - - - - - - - CSH5s、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 Nominal Pipe Size 外径 Outside Diameter 公称壁厚 T Norminal Wall Thickness DN NPS D SGP SCH5s SH10s SCH10 SCH20 SCH30 SCH40s STD SCH40 SCH60 SCH120 SCH140 SCH160 XXS 15 20 25 1/2 3/4 1 21.7 27.2 34.0 2.8 2.8 3.2 1.7 1.7 1.7 2.1 2.1 2.8 - - - - - - - - - 2.8 2.9 3.4 2.8 2.9 3.4 SCH80s SCH100 3.7 3.9 4.5 3.7 3.9 4.5 3.7 3.9 4.5 - - - - - - - - - 4.8 5.6 6.4 7.5 7.8 9.1 32 40 50 11/4 11/2 2 42.7 48.6 60.5 3.5 3.5 3.8 1.7 1.7 1.7 2.8 2.8 2.8 - - - - - - - - - 3.6 3.7 3.9 3.6 3.7 3.9 3.6 3.7 3.9 - - - 4.9 5.1 5.5 4.9 5.1 5.5 4.9 5.1 5.5 - - - - - - - - - 6.4 7.1 8.7 9.7 10.2 11.1 65 80 90 21/2 3 31/2 76.3 89.1 101.6 4.2 4.2 4.2 2.1 2.1 2.1 3.0 3.0 3.0 - - - - - - - - - 5.2 5.5 5.7 5.2 5.5 5.7 5.2 5.5 5.7 - - - 7.0 7.6 8.1 7.0 7.6 8.1 7.0 7.6 8.1 - - - - - - - - - 9.5 11.1 - 14.0 15.2 - 100 125 150 4 5 6 114.3 139.8 165.2 4.5 4.5 5.0 2.1 2.8 2.8 3.0 3.4 3.4 - - - - - - - - - 6.0 6.6 7.1 6.0 6.6 7.1 6.0 6.6 7.1 - - - 8.6 9.5 11.0 8.6 9.5 11.0 8.6 9.5 11.0 - - - 11.1 12.7 14.3 - - - 13.5 15.9 18.2 17.1 19.0 21.9 200 250 300 8 10 12 216.3 267.4 318.5 5.8 6.6 6.9 2.8 3.4 4.0 4.0 4.0 4.5 - - - 6.4 6.4 6.4 7.0 7.8 8.4 8.2 9.3 9.5 8.2 9.3 9.5 8.2 9.3 10.3 10.3 12.7 14.3 12.7 12.7 12.7 12.7 12.7 12.7 12.7 15.1 17.4 15.1 18.3 21.4 18.2 21.4 25.4 20.6 25.4 28.6 23.0 28.6 33.3 22.2 25.4 25.4 350 400 450 14 16 18 355.6 406.4 457.2 7.9 7.9 7.9 4.0 4.2 4.2 4.8 4.8 4.8 6.4 6.4 6.4 7.9 7.9 7.9 9.5 9.5 11.1 9.5 9.5 9.5 9.5 9.5 9.5 11.1 12.7 14.3 15.1 16.7 19.0 - - - 12.7 12.7 12.7 19.0 21.4 23.8 23.8 26.2 29.4 27.8 30.9 34.9 31.8 36.5 39.7 35.7 40.5 45.2 - - - 500 550 600 20 22 24 508.0 558.8 609.6 7.9 - - 4.8 4.8 5.5 5.5 5.5 6.4 6.4 6.4 6.4 9.5 9.5 9.5 12.7 12.7 14.3 9.5 9.5 9.5 9.5 9.5 9.5 15.1 - 17.5 20.6 22.2 24.6 - - - 12.7 12.7 12.7 26.2 28.6 31.0 32.5 34.9 38.9 38.1 41.3 46.0 44.4 47.6 52.4 50.0 54.0 59.5 - - - 650 700 750 26 28 30 660.4 711.2 762.0 - - - - - 6.4 - - 7.9 7.9 7.9 7.9 12.7 12.7 12.7 - 15.9 15.9 - - 9.5 9.5 9.5 9.5 - - - - - - - - - 12.7 12.7 12.7 - - - - - - - - - - - - - - - - - - 800 850 900 32 34 36 812.8 863.6 914.4 - - - - - - - - - 7.9 7.9 7.9 12.7 12.7 12.7 15.9 15.9 15.9 - - - 9.5 9.5 9.5 17.5 17.5 19.0 - - - - - - 12.7 12.7 12.7 - - - - - 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 Center to Bottom of Socket 壁厚 Wall Thickness A公称通径 Nominal Pipe Size 承插孔深度 Depth of Socket C min 90弯头、三通、四通90Elbow、Tee 、Cross 45弯头45Elbow DN NPS J min SCH803000 SCH1606000 XXS9000 SCH803000 SCH1606000 XXS9000 SCH803000 SCH1606000 XXS9000 6 8 10 1/8 1/4 3/8 10 10 10 3.2 3.3 4.0 3.5 4.0 4.4 - - - 11 11 14 11 14 16 - - - 8 8 8 8 8 11 - - - 15 20 25 1/2 3/4 1 10 13 13 4.5 5.0 5.6 6.0 7.0 8.0 9.5 10.0 11.5 16 19 22 19 22 27 25 28 32 11 13 14 13 14 18 16 19 21 32 40 11/4 11/2 13 13 6.3 6.4 8.0 9.0 12.0 13.0 27 32 32 38 35 38 18 21 21 25 22 25 50 2 16 7.0 11.0 14.0 38 41 54 25 29 28 65 80 100 21/2 3 4 16 16 19 8.9 10.0 10.0 12.5 13.8 - - - - 41 57 67 57 64 - - - - 29 32 41 32 35 - - - - 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 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) SH 3410 GB/T 14383 (B)、HG/T 21634(metric) JIS B2316 HG/T 21634(NPS)、ASME B16.11 公称通径 Nominal Pipe Size 接管 外径 Pinpe DIA 承插孔 径 Socket DIA 流通孔径 Bore DIA 接管 外径 Pinpe DIA 承插孔 径 Socket DIA 流通孔径 Bore DIA 接管外径 Pinpe DIA 承插孔 径 Socket DIA 流通孔径 Bore DIA 接管 外径 Pinpe DIA 承插孔 径 Socket DIA 流通孔径 Bore DIA 接管外 径 Pinpe DIA 承插孔径 Socket DIA 流通孔径 Bore DIA DN NPS D d1 d2 D d1 d2 D D1 d2 D d1 d2 D d1 d2 SCH80 SCH160 SCH80 SCH160 XXS SCH803000 SCH1606000 SCH80 SCH160 3000 6000 9000 6 8 10 1/8 1/4 3/8 - - - - - - - - - - - - - - 17 - - 17.5 - - 10 - - - - - - - - - - - - - - - - - - 10.5 13.8 17.3 11.0 14.3 17.8 7.1 9.4 12.7 - - - 10.3 13.7 17.1 10.9 14.3 17.7 6.8 9.2 12.5 4.0 6.4 9.1 - - - 15 20 25 1/2 3/4 1 21.3 26.9 33.7 21.8 27.4 34.2 14.1 18.9 24.7 12.3 15.7 21.1 22 27 34 22.5 27.5 34.5 15 19 25 12 16 21 7 11 16 18 25 32 18.5 25.5 32.5 10.8 17.0 23.0 9.01 3.81 9.4 21.7 27.2 34.0 22.2 27.7 34.5 16.1 21.4 27.2 12.3 16.2 21.2 21.3 26.7 33.4 21.9 27.3 34.0 15.8 20.9 26.6 11.8 15.5 20.7 6.4 11.3 15.2 32 40 50 11/4 11/2 2 42.4 48.3 60.3 42.9 48.8 61.1 32.4 38.3 49.1 29.8 34.1 42.7 42 48 60 42.7 48.8 60.8 32 38 49 29 34 43 22 28 38 38 45 57 38.5 45.5 57.8 28.0 35.0 45.8 25.4 30.9 39.4 42.7 48.6 60.5 43.2 49.1 61.1 35.5 41.2 52.7 29.9 34.4 43.1 42.2 48.3 60.3 42.8 48.9 61.4 35.1 40.9 52.5 29.5 34.0 42.9 22.8 28.0 38.2 65 80 100 21/2 3 4 76.1 88.9 - 承插焊管件尺寸的极限偏差 Tolerances for Socket-Welding Fittngs 所有管件 All Fittings 所有管件 All Fittings 45、90弯头、三通、 四通、45 斜三通 45、90 Elbows、Tees、Cros ses、Laterals 双承口管箍 Couplings 单承口箍、半 管接头、异径 插入件 Half-Couplings Boss Reducer Inserts 异径插入 件 Reducer Inserts 异径插入件 Reducer Inserts 活接头（含螺纹） Unions(compriise threaded unions) 公称通径 Nominal Pipe Size 承插孔径 Socket DIA 流通孔径 Bore DIA 中心至承插孔底 Center to Bottom of Socket 结构长度 Laying Length 结构长度 Laying Length 主体外径 Shank DIA 插入端长度 Shank Length 公称装配长度 Length Assem Nominal DN NPS d1 d2 A、H E F SD SL L 6-8 1/8-1/4 0.8 1.5 0.8 - - 1.5 10-20 3/8-3/4 1.5 3.0 1.5 0.25 0-1.5 1.5 25-50 1-2 +0.3 0 0.4 2.0 4.0 2.0 0.25 0-2.0 1.5 65-100 21/2-4 +0.4 0 0.8 2.5 5.0 2.5 0.5 0 -2.5 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 公称壁厚 Norminal Wall Thickness DN NPS SCH160 XXS 6 1/8 3.15 4.83 8 1/4 3.68 6.05 10 3/8 4.01 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 Pipe Used for Ratin Basis 管件级别代号 class designation fo Fitting 管件连生产建设形式 Type of Fitting 管子表号 Schedule NO. 管壁代号 Wall Designation 2000 螺纹 Threaded 80 XS 3000 螺纹 Threaded 160 - 6000 螺纹 Threaded - XXS 3000 承插焊 Socket-Welding 80 XS 6000 承插焊 Socket-Welding 160 - 9000 承插焊 Socket-Welding - 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 45弯头 45Elbows 所有管件 All Fittings 中心至端面 Center to End 中心至端面 Center to End 端部外径 Outside Diameter of Band 最小壁厚 Minimum Wall Thickness 公称通径 Nominal Pipe Size A G D C 螺纹长度 Length of Thread Min DN NPS SCH80 2000 SCH160 3000 XXS 6000 SCH80 2000 SCH160 3000 XXS 6000 SCH80 2000 SCH160 3000 XXS 6000 SCH80 2000 SCH160 3000 XXS 6000 B L2 6 8 10 1/8 1/4 3/8 21 21 25 21 25 28 25 28 33 17 17 19 17 19 22 19 22 25 22 22 25 22 25 33 25 33 38 3.18 3.18 3.18 3.18 3.30 3.51 6.35 6.60 6.98 6.4 8.1 9.1 6.7 10.2 10.4 15 20 25 1/2 3/4 1 28 33 38 33 38 44 38 44 51 22 25 28 25 28 33 28 33 35 33 38 46 38 46 56 46 56 62 3.18 3.18 3.68 4.09 4.32 4.98 8.15 8.53 9.93 10.9 12.7 14.7 13.6 13.9 17.3 32 40 50 11/4 11/2 2 44 51 60 51 60 64 60 64 83 33 35 43 35 43 44 43 44 52 56 62 75 62 75 84 75 84 102 3.89 4.01 4.27 5.28 5.56 7.14 10.59 11.07 12.09 17.0 17.8 19.0 18.0 18.4 19.2 65 80 100 21/2 3 4 76 86 106 83 95 114 95 106 114 52 64 79 52 64 79 64 79 79 92 109 146 102 121 152 121 146 152 5.61 5.99 6.55 7.65 8.84 11.18 15.29 16.64 18.67 23.6 25.9 27.7 28.9 30.5 33.0 螺纹管件 Threaded Fittings GB/T 1426、ASME B16.11 管箍、半管接头 Couplings、Boss 管帽 Caps 所有管件 All Fittings 端面至端面 End to End 端面至端面 End to End 底部壁厚 End Wall Thickness 外径 Outside Diameter 公称通径 Nominal Pipe Size E F C min D 螺纹长度 Length of Thread Min DN NPS SCH160、XXS3000、6000 SCH1603000 XXS 6000 SCH160 3000 XXS 6000 SCH160 3000 XXS 6000 B L2 6 8 10 1/8 1/4 3/8 32 35 38 19 25 25 - 27 27 4.8 4.8 4.8 - 6.4 6.4 16 19 22 22 25 32 6.4 8.1 9.1 6.7 10.2 10.4 15 20 25 1/2 3/4 1 48 51 60 32 37 41 33 38 43 6.4 6.4 9.7 7.9 7.9 11.2 28 35 44 38 44 57 10.9 12.7 14.7 13.6 13.9 17.3 32 40 50 11/4 11/2 2 67 79 86 44 44 48 46 48 51 9.7 11.2 12.7 11.2 12.7 15.7 57 64 76 64 76 92 17.0 17.8 19.0 18.0 18.4 19.2 65 80 100 21/2 3 4 92 108 121 60 65 68 64 68 75 15.7 19.0 22.4 19.0 22.4 28.4 92 108 140 108 127 159 23.6 25.9 27.7 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 圆头管塞 Round Head Plugs 六角头管塞和内外螺纹接头 Hex Plugs and Bushings 公称通径 Nominal Pipe Size 长度 Length 方头高度 Height of Square 对边宽度 Width Flats 头部直径 Nominal Diameter of Head 长度 Length 对边宽度 Width Flats (Nominal) 六角头高度 Hex Heigh DN NPS L2 min B min C min D L min S K min H min 6 8 10 1/8 1/4 3/8 10 11 13 6 6 8 7 10 11 10 14 18 35 41 41 11 16 18 - 3 4 6 6 8 15 20 25 1/2 3/4 1 14 16 19 10 11 13 14 16 21 21 27 33 44 44 51 22 27 36 5 6 6 8 10 10 32 40 50 11/4 11/2 2 21 21 22 14 16 18 24 28 32 43 48 60 51 51 64 46 50 65 7 8 9 14 16 18 65 80 100 21/2 3 4 27 28 32 19 21 25 36 41 65 73 89 144 70 70 76 75 90 115 10 10 13 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 60of 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 90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 60of 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 尺寸 Size D DN NPS C E1 E2 W sch80 sch160 6 1/8 6 10 - 26 5 4 8 86 1/4 1/41/8 6 6 15 15 - 10 36 31 7 5 6 4 10 108 3/8 3/81/4 8 8 16 16 - 15 40 39 10 7 8 6 15 1510 158 1/2 1/23/8 1/21/4 8 8 8 20 20 20 - 16 15 48 44 43 13 10 7 10 8 6 20 2015 2010 3-4 3/41/2 3/43/8 10 10 10 21 21 21 - 20 16 52 51 47 18 13 10 14 10 8 25 2520 2515 1 13/4 11/2 10 10 10 25 25 25 - 21 20 60 56 55 23 18 13 19 14 10 32 11/4 12 - 62 31 28 3225 3220 3215 11/41 11/43/4 11/41/2 12 12 12 25 25 25 25 25 21 20 62 58 57 23 18 13 19 14 10 40 4032 4025 4020 4015 11/2 11/211/4 11/21 11/23/4 11/21/2 16 16 16 16 16 26 26 26 26 26 - 25 25 21 20 68 67 67 63 62 36 31 23 18 13 32 28 19 14 10 50 5040 5032 5025 5020 5015 2 211/2 211/4 21 23/4 21/2 18 18 18 18 18 18 27 27 27 27 27 27 - 26 25 25 21 20 72 71 70 70 66 65 47 36 31 23 18 13 40 32 28 19 14 10 65 6550 6540 6532 6525 6520 21/2 21/22 21/211/2 21/211/4 20 20 20 20 38 38 38 38 38 38 - 27 26 25 25 21 96 85 84 83 57 47 36 31 23 18 51 40 32 28 19 14 21/21 21/23/4 20 20 83 79 80 8065 8050 8040 8032 8025 3 321/2 32 311/2 311/4 31 20 20 20 20 20 20 40 40 40 40 40 40 - 38 27 26 25 25 100 98 87 86 85 85 70 57 47 36 31 23 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 60of 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 管子外径 Outside Diameter of Pipe 螺纹长度 Length of Thread Min 长度 End to End 管子壁厚 Wall Thickness of Pipe DN NPS D L2 min L T 6 8 10 1/8 1/4 3/8 10.3 13.7 17.1 9.5 11.0 12.5 15 20 25 1/2 3/4 1 21.3 26.7 33.4 14.5 16.0 19.0 32 40 50 11/4 1/2 2 42.2 48.3 60.3 20.5 20.5 22.0 65 80 100 21/2 3 4 73.0 88.9 114.3 27.0 28.5 32.0 75、100、150 SCH80、 SCH160 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 60of GB/T 12716(ANSI/ASME B120.1),and if requiring other types of thread,please indicate them in the purchased order. 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 六角头双丝头 Hexagonal Nipples 螺纹短节 Nipples DN NPS d C E1、E2 L 6-8 1/8-1/4 +0-0.8 1 1.5 1.5 10-20 3/8-3/4 +0-0.8 1 1.5 1.5 25-50 1-2 +0-1.5 1 2.0 2.0 65-100 21/2-4 +0 1 2.0 -2.5 中国压力管道管件常用材料 The General Material for Chinese Pressure Piping FIttings 化学成份 Chemical Composition%,max 力学性能 Mechanical requirements 钢种 Variety 牌号 Grade 标准号 Standard and Code 类型 Type C Si Mn Cr Ni Mo P S Other b MPa min 5 MPa min 5 % min HB max Other 20 GB/T699 棒 BAR 0.17-0.23 0.17-0.37 0.35-0.65 0.25 0.30 - 0.035 0.035 Cu:0.25 410 245 25 156 %:55 20 GB 3087 管 PIPE 0.17-0.23 0.17-0.37 0.35-0.65 0.25 0.30 - 0.035 0.035 Cu:0.25 410-550 245 20 - - 20 GB/T8163 管 PIPE 0.17-0.23 0.17-0.37 0.35-0.65 0.25 0.30 - 0.035 0.035 Cu:0.25 410-550 245 20 - - 20 GB 9948 管 PIPE 0.17-0.24 0.17-0.37 0.35-0.65 0.25 0.25 - 0.035 0.035 Cu:0.25 410-550 245 21 - Akv J:39 20 GB 711 板 PLATE 0.17-0.24 0.17-0.37 0.35-0.65 0.25 0.25 - 0.035 0.040 Cu:0.25 410 - 28 - - 20G GB 5310 管 PIPE 0.17-0.24 0.17-0.37 0.35-0.65 0.25 0.25 0.15 0.030 0.030 Cu:0.20;V:0.08 410-550 245 24 - Akv J:35 碳钢 Carbon Steel 20G GB 6479 管 PIPE 0.17-0.24 0.17-0.37 0.