ASTM A387 Grade 11 Class 1 Steel

ASTM A387 Grade 11 Class 1 Steel

A387 Grade 12 Chrome Moly steel is a boiler plate steel according to the ASTM/ASME Standard A387/A387M. A387 Grade 12 is designed for use in pressure vessels and heat exchangers where there is an elevated temperature. It is described as an alloyed high temperature pressure vessel steel.

ASTM A387 Grade 11 Class 1 Steel Dimension:

Thickness: 1.5mm -260mm;Width: 1000mm-4000mm;Length: 1000mm-18000mm

ASTM A387 Grade 12 Class 2 Steel Chemical Composition(%) :

A387 Grade 12 Class 2 Plates Chemical Composition
Grade	The Element Max (%)
	C	Si	Mn	P	S	Cr	Mo
A387 Gr.12 Cl.2	0.04-0.17	0.13-0.45	0.35-0.73	0.035	0.035	0.74-1.21	0.40-0.65

Note : 1 means Heat analyse ; 2 means Product analyse.

A387 Grade 12 Class 2 steel Mechanical Properties :

Grade	A387 Grade 12 Class 2 Plates Mechanical Property
	Thickness	Yield	Tensile	Elongation
A387 Gr.12 Cl.2	mm	Min Mpa	Mpa	Min  %
	t≦50	275	450-585	22
	50<t≦200	275	450-585	19

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