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Home > Seamless Steel Pipe Introduction > Wall Thickness Data > JIS
ASME、ANSI JIS DIN

Wall Thickness Schedules (JIS B2311/2312/2313)

Nominal Pipe Size(NPS) Outside Diameter SGP LG STD XS
A B JIS W.T I.D W.T I.D W.T I.D W.T I.D
15 ½ 21.7 2.8 16.1 - - - - - -
20 ¾ 27.2 2.8 21.6 - - - - - -
25 1 34 3.2 27.6 - - - - - -
32 42.7 3.5 35.7 - - - - - -
40 48.6 3.5 41.6 - - - - - -
50 2 60.5 3.8 52.9 - - - - - -
65 76.3 4.2 67.9 - - - - - -
80 3 89.1 4.2 80.7 - - - - - -
90 101.6 4.2 93.2 - - - - - -
100 4 114.3 4.5 105.3 - - - - - -
125 5 139.8 4.5 130.8 - - - - - -
150 6 165.2 5 155.2 5 155.2 - - - -
200 8 216.3 5.8 204.7 5.8 204.7 - - - -
250 10 267.4 6.6 254.2 6.6 254.2 - - - -
300 12 318.5 6.9 304.7 6.9 304.7 - - - -
350 14 355.6 7.9 339.8 7.9 339.8 9.5 336.6 12.7 330.2
400 16 406.4 7.9 390.6 7.9 390.6 9.5 387.4 12.7 381
450 18 457.2 7.9 441.4 7.9 441.4 9.5 438.2 12.7 431.8
500 20 508 7.9 492.2 7.9 492.2 9.5 489 12.7 482.6
550 22 558.8 - - 7.9 543 9.5 539.8 12.7 533.4
600 24 609.6 - - 7.9 593.8 9.5 590.6 12.7 584.2
650 26 660.4 - - 7.9 644.6 9.5 641.4 12.7 635
700 28 711.2 - - 7.9 695.4 9.5 692.2 12.7 685.8
750 30 762 - - 7.9 746.2 9.5 743 12.7 736.6
800 32 812.8 - - 7.9 797 9.5 793.8 12.7 787.4
850 34 863.6 - - 7.9 847.8 9.5 844.6 12.7 838.2
900 36 914.4 - - 7.9 898.6 9.5 895.4 12.7 889
950 38 965.2 - - 7.9 949.4 9.5 946.2 12.7 939.8
1000 40 1016 - - 7.9 1000.2 9.5 997 12.7 990.6
1050 42 1066.8 - - - - 9.5 1047.8 12.7 1041.4
1100 44 1117.6 - - - - 9.5 1098.6 12.7 1092.2
1150 46 1168.4 - - - - 9.5 1149.4 12.7 1143
1200 48 1219.2 - - - - 9.5 1200.2 12.7 1193.8

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