Tensile yield strength of SA662 GrC pressure vessel steel plate

SA662 GrC plate belongs to the American standard pressure vessel steel plate and implements the ASME standard. SA662 series can reach three levels: SA662 GrA, SA662 GrB, SA662 GrC. SA662 GrC steel plate is mainly used in the manufacture of low temperature welded pressure vessels. SA662 GrC pressure vessel steel plate is used in petroleum, chemical, power station, boiler and other industries, used in the manufacture of reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, etc.

Chemical composition of SA662 GrC steel plate:
C : 0.2, Si : 0.15-0.5, Mn : 1.0-1.6, S : 0.035, P : 0.04, Al : 0.02

Tensile yield strength of SA662 GrC steel plate:
Tensile strength: 485-620Mpa
Yield strength: 295Mpa
Elongation: 22%
Impact energy: 27J

SA662 GrC pressure vessel steel plate production process:
Electric furnace smelting - LF/VD furnace refining - ingot casting - steel ingot cleaning - steel ingot heating - rolling plate - ultrasonic flaw detection - normalizing - finishing - inspection - warehousing