ASTM-Class 3

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Product Details

Chemical composition

C(%)	V(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Mo(%)	Ni(%)	Cu(%)
C(%)(%) ≦0.45	V(%)(%) ≦0.5	≦0.45	Mn(%)(%) 0.4-0.9	P(%)(%) ≦0.04	≦0.45	≦0.45	≦0.45	≦0.45	≦0.45

Applications

Chromium Molybdenum Steel Forgings for General use

Country Code:

ASTM

Standard

A291

Steel Type

Class 3

Heat treatment

Heat Treatment of steel grade A841 Class3
Heat treated : 1988°C - 1492°C

Relate Steel Type

Steel Type	Standard	Country Code	C(%)	V(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)
SFCM75	4041	CNS	≦0.48		0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5
SFCM740	G3221	JIS	≦0.48		0.15-0.35	0.30-0.85	≦0.03	≦0.03	0.9-1.5
Gr.E	A290	ASTM	0.35-0.45	≦0.06	0.20-0.35	0.7-1.0	≦0.04	≦0.04	0.80-1.15
Gr.F	A290	ASTM	0.35-0.45	≦0.06	0.20-0.35	0.7-1.0	≦0.04	≦0.04	0.80-1.15
Class 3	A291	ASTM	≦0.45	≦0.5	0.15-0.35	0.4-0.9	≦0.04	≦0.04	≦1.25

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Gr.F	SFCM590	Class 3	SFCM980	SFCM840	Gr.E	SFCM940	SFCM85	SFCM85

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