Steel for machine construction having excellent cold forgeabilit

Details Steel for machine construction having excellent cold forgeabilit Steel for machine construction having excellent cold forgeabilit

1981-07-09

1984-02-14

Skiff, Peter K.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75123F, 75126G, 75128E, C22C 3800, C22C 3818, C22C 3840

Patent

active

044314450

ABSTRACT:
A steel for machine construction having excellent cold forgeability and machinability, the steel having a composition of below 0.6% C, below 0.35% Si, below 1.65% Mn, below 3.5% Ni, below 3.5% Cr, below 0.35% Mn, 0.010-0.10% Al and below 0.002% B, the rest being Fe and impurities with limited contents of Ca in the range of 0.0005-0.05%, S of below 0.12% and Al.sub.2 O.sub.3 inclusion of below 0.002%.

REFERENCES:
patent: 3155495 (1964-11-01), Nakamura
patent: 4115111 (1978-09-01), Itoh et al.
patent: 4153454 (1979-05-01), Emi et al.
patent: 4279646 (1981-07-01), Kato et al.

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