Hot Forging 42CrMo4 Special Steel Tooling Steel Forgings

Hot Forging Process of Leesh

GB42CrMo is a very common material of Leesh daliy work, its equivlent to the below standards:

EN/ISO: 42CrMo4 (German W-Nr. 1.7225)

AISI/SAE: 4140 (also ASTM A193 B7)

BS: 708M40 / CFS11 / EN19

What is the 42CrMo material?

It is an ultra-high-strength alloy structural steel .With hot forging process advantage, it has high density and nearly no internal defects,espcial suitable for hot forging process for havey loading purpose.

1. Elements (GB/T 3077)
C: 0.38～0.45%
Si: 0.17～0.37%
Mn: 0.50～0.80%
P: ≤0.035%
S: ≤0.035%
Cr: 0.90～1.20%
Mo: 0.15～0.25%
Cu: ≤0.30%
Ni: ≤0.30%
2. Mechanical Properties
After quenching and tempering, the tensile strength can reach 1080 MPa, and it exhibits excellent low-temperature impact toughness.No Obvious Temper Brittleness.
Excellent High-Temperature Performance: It features high-temperature creep strength and a high fatigue limit.

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