ASME SA533 Grade A in the standard ASME SA533/SA533M.ASME SA533 Grade A is a kind of Mn-Mo and Mn-Mo-Ni alloy steel plates material used to fabric high temperature pressure vessels. Just because ASME SA533 Grade A with the special Manganese , Molybdenum , and Manganese, Molybdenum, Nickel chemical composition, ASME SA533 has the right property to be used in high temperature pressure vessel. ASME SA533 Grade A is also a Quenching + Tempering steel material. ASME SA533 have four types A/B/C/D.

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ASME SA533 Grade A steel application :
ASME SA533 Grade A Has excellent low-temperature impact toughness and mechanical properties, is typically used for environment - 100 ~ 196 ℃ low temperature conditions .Of 9% Ni steel is widely used in cryogenic separation processing, liquefied gas storage areas, such as a large vacuum low temperature storage of liquefied natural gas (LNG).