Products Details

1 Product accuracy can meet national standards. 2 Product flatness, hardness, surface finish, color uniformity, finish product rate are in the leading position in the domestic industry. 3 Our company can separately package, flatten or scrape the products according to customer's requirements.

 

 

Quality Standard

JIS G4801 2005 Spring Steels

 

 

Chemical Composition(%)
C	Mn	P	S	Si
0.56-0.64	0.70-1.00	0.030 max	0.030 max	1.50-1.80

 

 

Mechanical Properties(Quenched and Tempered Condition)(T=20°C if not differently stated)
Tensile Strength Rm (Mpa)	Yield Strength Rp0.2 (Mpa)	Elongation A5 (%)	Area Reduction Ratio C (%)
1275 min	1180 min	5 min	25 min

 

 

Heat Treatment
Quenching Temperature (°C)	Media	Tempering Temperature (°C)
870	oil	480