ASTM A204 Grade A, A204 Gr.A STEEL PLATE

Posted:2015-11-30 02:48:54

ASTM A204 Gr.A is a kind of Mo-alloy steel material used to fabric high temperature pressure vessels

ASTM A204 Grade A pressure vessel steel is widely used in petroleum, chemical industry, power station, boiler, etc, used to make the reactor, heat exchanger, separator, spherical tank, liquefied gas, nuclear reactor pressure vessel, boiler steam drum steam, liquefied petroleum, hydropower station, high pressure pipe.

Mechanical properties for SA204 Grade A pressure vessel steel plate:

Yield strength (Mpa)	Tensile strength (Mpa)	Elongation≥,%
255	450-585	19

Chemical composition of Heat analysis for SA204 Grade A Nickel-alloy steel plate (Max %):

Thickness	C	Si	Mn	P	S	Mo
T≤25	0.18	0.15/ 0.40	0.90	0.035	0.035	0.45/ 0.60
25＜T≤50	0.21
50＜T≤100	0.23
T＞100	0.25

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