A709Gr50 material is a high-strength steel plate. It is widely used in engineering structures, such as construction steel structures, construction machinery, mine mountain machinery, trucks, bridges, pressure vessels, especially for those that require good weldability and toughness construction and construction machinery parts.
A709Gr50 material chemical composition(%)C≤0.20, Si ≤0.40, Mn ≤1.50, P ≤0.04, S ≤0.05, Nb: 0.005～0.05
Executive standard: ASTM A709
Thickness: 5-200 mm
Width: 1220-4200mm
Length: 3000mm-11000mm.
Production: Hot-Rolled (HR)
Heat Treatment: Rolled/Normalized/N+T/quenched and tempered
A709Gr50 steel plate flaw detection standard
According to China (JB4730, GB/T2970), the United States (A435, A577, A588), Japan (JISG0801, JISG0901), Germany (SEL072), the United Kingdom (BS5996), France (NFS04-305) and other domestic and foreign flaw detection standards production inspection. Provide the Class 1, Class 2 and Class 3 inspection requirements.
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