S7 forged and hot rolled steel round bars supplier

S7 hot rolled round bars are made by chrome molybdenum alloy steel. S7 round bars can be hot rolled and forged. S7 tool steel round bars have high attainable hardness and good wear resistance.We can supply high quality S7 round bars for you.

S7 round bars grade: S7 / T41907
S7 round bars standard: ASTM A681-08

S7 round bars chemical composition:
C: 0.45 ~ 0.55
Mn: 0.20 ~ 0.90
P: ≤0.030
S: ≤0.030
Si: 0.20 ~ 1.00
Cr: 3.00 ~ 3.50
V: ~ 0.35
W: ~
Mo: 1.30 ~ 1.80

S7 forged steel round bars size: (10mm to 300mm rod) is complete, the length of 2-6 m;

Yield strength: 355MPA
Elongation(δ5/%): 16
Reduction in Area(ψ/%): 40
Impact(J): 39
Hardness(HB): anneal 229 heating temperature 8

S7 hot rolled round bars features：
1, high impact toughness, abrasion resistance
2, in the high strength and toughness under still maintain excellent
3, with high hardening resistance and can soften resistance
4, excellent resistance to mechanical fatigue properties

S7 alloy steel round bars process:
Heating → rolling → double length shear → cooling → cutting → test → → product packaging

If you want to get S7 alloy steel round bars price, PLS contact us. We are a prefessional S7 forged and hot rolled steel round bars supplier. S7 round bars is can be customized.

• Tel: 0086-371-86151827 86151627
• Fax: 0086-371-86011881
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