sch壁厚等级对照表 - 图文(10)

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!