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 | |