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ASTM A709 Grade 50W steel plate specification and properties

The ASTM A709 Grade 50W steel plate is delivered in hot rolling or controlled rolling. Normalizing or tempering is allowed. In order to improve toughness, cooling method with faster cooling rate than in air is allowed, but the tempering treatment of ASTM A709 Grade 50W steel plate should be carried out, the tempering temperature range is 595 to 705℃, and it is indicated in the material sheet.

ASTM A709 Grade 50W steel plate surface shall not contain bubbles, scarring, tension, folding, inclusion and indentation of the oxide sheet, shall not be stratified.

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