ASTM A537/A537M ASME SA537/SA537M CL1 / CL2 steel plate is heattreated low alloy pressure vessel steel for boilers and chemical pressure equipment. It delivers reliable lowtemperature impact property and consistent mechanical performance.

SA516 Gr70 is ASME standard medium & low temperature pressure vessel carbon steel, with excellent toughness, stable mechanical performance and outstanding weldability. Widely used for boiler piping, pressure vessel pipeline, petrochemical, power industry mediumlow temperature equipment. We supply seamless SA516 Gr70 pipe, available hot rolled & normalized status SA516 Gr70N.