| 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. | |||||||||