GB-T7

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steel-first@hotmail.com

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+4564564564

Product Details

Chemical composition

C(%)	Si(%)	Mn(%)	P(%)	S(%)
C(%)(%) 0.65-0.74	Si(%)(%) ≦0.35	0.65-0.74	P(%)(%) ≦0.035	S(%)(%) ≦0.03	0.65-0.74	0.65-0.74	0.65-0.74	0.65-0.74	0.65-0.74

Applications

Carbon Tool Steels

Country Code:

Annealing HB : ≦187

Standard

GB

Steel Type

T7

Heat treatment

Heat Treatment of steel grade T2
Heat treated : 1271°C - 1896°C

Relate Steel Type

Steel Type	Country Code	C(%)	V(%)	Si(%)	Mn(%)	P(%)	S(%)	Cr(%)	W(%)
SK7	CNS	0.6-0.7		≦0.35	≦0.5	≦0.03	≦0.03	≦0.2
T7	GB	0.65-0.74		≦0.35	≦0.4	≦0.035	≦0.03
SK7	JIS	0.6-0.7		0.15-0.35	0.15-0.5	≦0.03	≦0.03	≦0.3
W1-7	ASTM	0.7-0.8	≦0.1	0.1-0.4	0.1-0.4	≦0.025	≦0.025	≦0.15	≦0.15
C70W2	DIN	0.65-0.74		0.1-0.3	0.10-0.35	≦0.03	≦0.03

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