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SA204GrC steel sheet melting composition and welding performance

Posted:2021-09-15 10:04:39

1. The chemical composition of SA204GrC steel sheet (melting analysis %) (chemical analysis):
C: 0.23-0.28, Mn: ≤0.90, P: ≤0.025, S: ≤0.025, Si: 0.15-0.40, Mo: 0.45-0.60.

2. Mechanical properties of SA204GrC steel plate:
Yield strength: ≥295, tensile strength: 515-655, elongation% (200mm): ≥16, elongation% (50mm): ≥20

3. SA204GrC steel sheet plate heat treatment: steel plate with thickness ≤40mm, rolled state, normalized, stress relief treatment. The steel plate with thickness >40mm is normalized.

4. ASME SA204 standard applies to molybdenum alloy steel plates for welding boilers and other pressure vessels.