JIS B2311 Steel Butt-Welding Pipe Fittings for Ordinary Use
JIS G3452 Carbon Steel Pipes for Ordinary Piping
JIS G3457 Arc Welded Carbon Steel Pipes
| Steel Grade |
Chemical Composition % |
Tensile |
Yield |
Elongation % (1) |
| C |
P |
S |
Strength |
Point |
Longitudinal |
Transverse |
| Max |
N/mm2 Min |
Min |
Min |
| SGP |
- |
0.040 |
0.040 |
290 |
- |
30 (2) |
25 (2) |
| PY400 |
0.25 |
0.040 |
0.040 |
400 |
255 |
- |
18 |
NOTES:
(1) Values specified are for wall thickness 8mm and over. For each 1mm decrease in wall thickness below 8mm, a deduction of 1.5% for both longitudinal and transverse from the values shown above is permitted.
(2) Value not applicable to NPS below 32A. |
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