GB-40Cr

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steel-first@hotmail.com

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+4564564564

Product Details

Chemical composition

C(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Ni(%)	Cu(%)
0.37-0.44	0.37-0.44	0.37-0.44	0.37-0.44	0.37-0.44	0.37-0.44	0.37-0.44	0.37-0.44	0.37-0.44	0.37-0.44

Applications

Chromium Steels for Machine Structural use

Country Code:

GB

Standard

3077

Steel Type

40Cr

Heat treatment

Heat Treatment of steel grade 440C
Heat treated : 1491°C - 1551°C

Relate Steel Type

Steel Type	Standard	Country Code	C(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Ni(%)
							≦0.04	0.9-1.2	≦0.25
SCr440	3231	CNS	0.38-0.43	0.15-0.35	0.60-0.85	≦0.03	≦0.04	0.9-1.2	≦0.25
40Cr	3077	GB	0.37-0.44	0.17-0.37	0.50-0.80	≦0.035	≦0.04	0.9-1.2	≦0.25
SCr440	G4104	JIS	0.38-0.43	0.15-0.35	0.60-0.85	≦0.03	≦0.04	0.9-1.2	≦0.25
5140	-	AISI	0.38-0.43	0.15-0.30	0.70-0.90	≦0.035	≦0.04	0.9-1.2	≦0.25
2245	-	AISI	0.38-0.45	0.15-0.40	0.60-0.90	≦0.035	≦0.04	0.9-1.2	≦0.25
41Cr4	17200	DIN	0.37-0.45	0.15-0.40	0.50-0.80	≦0.035	≦0.04	0.9-1.2	≦0.25
41CrS4	17210	DIN	0.38-0.45	0.15-0.40	0.50-0.80	≦0.035	≦0.04	0.9-1.2	≦0.25
SCr440H	11999	CNS	0.37-0.44	0.15-0.35	0.55-0.90	≦0.03	≦0.04	0.9-1.2	≦0.25
SCr440H	5042	JIS	0.37-0.44	0.15-0.35	0.55-0.90	≦0.03	≦0.04	0.9-1.2	≦0.25
5140H	A304	ASTM	0.37-0.44	0.15-0.35	0.6-1.0	≦0.035	≦0.04	0.9-1.2	≦0.25
5140H	-	AISI	0.37-0.44	0.15-0.35	0.6-1.0	≦0.035	≦0.04	0.9-1.2	≦0.25
37Cr4	17200	DIN	0.34-0.41	0.15-0.40	0.60-0.90	≦0.035	≦0.04	0.9-1.2	≦0.25
41CrS4	17200	DIN	0.38-0.45	0.15-0.40	0.5-0.8	≦0.035	≦0.04	0.9-1.2	≦0.25

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SCr435H	5132H	5120H	5135	SCr415	5120H	SCr430	SMnC420	5140	SCr420H
20MnCr5	5135H	SCr445	5115	SCr440	41CrS4	SCr430	5132	SCr430H	SCr430H

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