ASTM A202 boiler steel plate pressure vessel steel sheet

ASTM A202 boiler steel plate pressure vessel steel sheet is intended mainly for welded boilers and other pressure vessels. ASTM A202 steel has two common variants: A202 Grade A and A202 Grade B. The maximum thickness of ASTM A202 boiler steel plate pressure vessel steel sheet is limited to 2in. [50mm].

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Steel Properties

ASTM A202 boiler steel plate pressure vessel steel sheet chemical composition:

Steel Grade	The Element Max (%)
Steel Grade	C	Si	Mn	P	S	Cr
A202 Grade A	0.17	0.54-0.96	0.97-1.52	0.035	0.035	0.31–0.64
A202 Grade B	0.25	0.54-0.96	0.97-1.52	0.035	0.035	0.31–0.64

ASTM A202 boiler steel plate pressure vessel steel sheet mechanical properties:

ASTM A202	Grade A	Grade B
Tensile strength, kis [MPa]	75-95 [515-655]	85-110 [585-760]
Yield strength, min, kis [MPa]	45 [310]	47 [325]
Elongation in 8 in. [200 mm], min, %	16	15
Elongation in 2 in. [50 mm], min, %	19	18

Application

ASTM A202 boiler steel plate pressure vessel steel sheet application:
ASTM A202 boiler steel plate pressure vessel steel sheets are widely used in pressure vessel, boilers, storage tanks and heat exchangers in oil, gas projects.

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