GB-20

E-mail:

steel-first@hotmail.com

Call Us:

+4564564564

Product Details

Chemical composition

C(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Ni(%)	Cu(%)
C(%)(%) 0.17-0.24	Si(%)(%) 0.17-0.37	0.17-0.24	P(%)(%) ≦0.035	S(%)(%) ≦0.035	0.17-0.24	0.17-0.24	0.17-0.24	0.17-0.24	0.17-0.24

Applications

Carbon Steels for Machine Structural use

Country Code:

GB

Standard

699

Steel Type

20

Heat treatment

Heat Treatment of steel grade S4
Heat treated : 1865°C - 1529°C

Relate Steel Type

Steel Type	Standard	Country Code	C(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	Ni(%)
C20	17200	DIN	0.17-0.23	0.15-0.35	0.3-0.6	≦0.045	≦0.045
Ck20	17200	DIN	0.17-0.23	0.15-0.35	0.3-0.6	≦0.035	≦0.035
S20C	G4051	JIS	0.18-0.23	0.15-0.35	0.3-0.6	≦0.03	≦0.035	≦0.2	≦0.2
1020	-	AISI	0.18-0.23		0.3-0.6	≦0.04	≦0.05
S20C	3828	CNS	0.18-0.23	0.15-0.35	0.3-0.6	≦0.035	≦0.035	≦0.2	≦0.2
20	699	GB	0.17-0.24	0.17-0.37	0.35-0.65	≦0.035	≦0.035	≦0.25	≦0.25

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