ASTM A516 GR.70 plates are durable medium carbon steel plates ideal for boilers and pressure vessels. Containing manganese, phosphorus, sulfur, and silicon, they offer high tensile strength, corrosion resistance, and excellent weldability. Known as PVQ plates, GR.70 is the most preferred grade, widely used in low-to-medium pressure equipment for its reliability and compliance with AST... https://www.hicplates.com/astm-a516-gr-70-carbon-steel-plates-supplier-stockist.html