ASTM A537 Class 3 carbon steel

ASTM A537 Class 3 steel specification covers heat-treated carbon-manganese-silicon steel plates intended for fusion welded pressure vessels and structures.

ASTM A537 Class 3 material chemical composition: %

ASTM A537 Class 3 carbon steel mechanical properties

ASTM A537 Class 3 steel heat treatment

Class 3 steel plate should be quenched and tempered, tempering temperature should be not less than 1150oF(620oC), heat preservation time not less than 1/ 2 hours.

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