ASTM A204grA/B/C steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels for pressure vessels
ASTM A204grA/B/C steel plate/sheet,ASTM A204grA/B/C steel plate/sheet, under ASTM standard, we can regard A204grA/B/C steel plate/sheet for steel with Cr., Mo.,Cr-Mo steels which is used for pressure vessels.
ASTM A204grA/B/C steel grade is a kind of steel which with Cr., Mo.,Cr-Mo and mainly used for pressure vessels.The steel grade A204grA/B/C is according to ASTM standard which with the yield strength of 242MPa.The followings are the chemical composition and mechanical properties of ASTM A204grA/B/C steel plate.
ASTM A204grA/B/C chemical composition
| Grades | C max | Mn max | S max | P max | Si | Cr | Ni | Cu | Mo | Nb+V+Ti |
| A204 grB | 0.20 | 0.90 | 0.035 | 0.035 | 0.15-0.40 | - | - | - | - | - |
ASTM A204grA/B/C steel Mechanical properties
| Grade | Permissible yield point ratio | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) |
| A204grB | - | 275 | 485-620 | 21 |
A 204 gr.A/B/C Steel covers molybdenum alloy steel plates, intended particularly for welded boilers and other pressure vessels. A204 Steel is available in three grades having different strength levels: Grade A; Grade B; and Grade C. A 204 gr.A/B/C Steel shall be killed. The steel shall conform to the chemical requirements specified. Tension tests on plates shall conform to the requirements specified
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