JIS G3455 Carbon Steel Pipes
Oct 26, 2023
Heat treatment of JIS G3455 STS 480
| Letter symbol of grade | Hot-finished seamless steel pipe | Cold-finished seamless steel pipe |
| STS 480 | Low temperature annealed of normalized | |
Chemical Composition of JIS G3455 STS 480
| Grade | Chemical Composition % | ||||
| C | Si | Mn | P | S | |
| STS 480 | 0.33 max. | 0.10~0.35 | 0.30~1.50 | 0.035 max. | 0.035 max. |
Mechanical Properties of JIS G3455 STS 480
| Letter symbol of grade | Mechanical Properties | |||||
| Tensile strength | Yield strength | Elongation % | ||||
| kgf/m㎡ {N/ m㎡} | kgf/m㎡ {N/ m㎡} | No.11 and No.12 test pieces | No. 5 test pieces | No. 4 test piece | ||
| Longitudinal | Transverse | Longitudinal | Transverse | |||
| STS 480 | 49{481} min. | 28{275} min. | 25 min. | 20 min. | 17 min. | 22 min. |
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