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 | 1¼ | 42.7 | 3.5 | 35.7 | - | - | - | - | - | - |
40 | 1½ | 48.6 | 3.5 | 41.6 | - | - | - | - | - | - |
50 | 2 | 60.5 | 3.8 | 52.9 | - | - | - | - | - | - |
65 | 2½ | 76.3 | 4.2 | 67.9 | - | - | - | - | - | - |
80 | 3 | 89.1 | 4.2 | 80.7 | - | - | - | - | - | - |
90 | 3½ | 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 |