JIS 490 M steel plate/sheet, JIS 3103 490 M steel plate/sheet, under JIS 3103 standard, we can regard 490 M steel plate/sheet for steel with Cr., Mo., Cr-Mo steels which is used for pressure vessels.
490 M steel plate is a kind of steel which with Cr., Mo., Cr-Mo and mainly used for pressure vessels. The steel grade 490 M is according to JIS 3103 standard which with the yield strength of 242MPa.The followings are the chemical composition and mechanical properties of JIS 3103 490 M steel plate.
490 M steel plate chemical composition
| Grades | C max |
Mn max |
S max |
P max |
Si | Cr | Ni | Cu | Mo | Nb+V+Ti |
| 490 M | 0.18 | 0.90 | 0.035 | 0.035 | 0.15-0.40 | - | - | - | - | - |
490 M steel plate Mechanical properties
| Grade | Permissible yield point ratio |
Yield Strength MPa(min) |
Tensile Strength MPa |
Elongation % (min) |
| 490 M | - | 255 | 450-585 | 23 |
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