1.Standard:EN 10089-2002 2.High yield strength,fatigue resistance and toughness 3.Credible quality and reasonable price 1.Chemical Composition

C	Si	Mn	S	P	Cr	Ni	Cu	V
0.47-0.55	≤0.40	0.70-1.10	≤0.030	≤0.030	0.90-1.20	≤0.35	≤0.25	0.10-0.25

2.Mechanical Property

Tensile Strength	Yield Strength	Elongation	Reduction of cross section	Hardness
σb(MPa):≥1274(130)	σs(MPa):≥1127(115)	δ5 (%):≥10	ψ (%):≥40	Hot-rolled, ≤321 HB; Cold pull + heat treatment, ≤321 HB

3.Heat Treatment Regime

Quenching	850 °C± 20 °C, oil cooling
Tempering	500 °C± 50 °C (special needs, ±30 °C

4.Usage Display

5.International Standard

We are professional supplier of steel products,so we can guanrantee the quality and offer excellent service and reasonable price.If you have any question or special requirements,please feel free to contact us.

Company Website:http://www.aysunshine.com

Fax:86-372-3189608

Telephone:86-372-3189928

  

           We will do our best to promote our cooperation.

                         Choose us,U will never regret. 

                   Welcome your detailed inquiry.

       

V4 1.8159 Spring Steel