Non-heat treating steel for hot forging

Details Non-heat treating steel for hot forging Non-heat treating steel for hot forging

1993-03-04

1994-11-08

Dean, Richard O.

Metal treatment

Stock

Ferrous

148506, 420 84, 420104, 420105, C22C 3800

Patent

active

053623380

ABSTRACT:
A non-heat-treating steel for hot forging which does not require heat treatment and still yields high static strength, toughness and fatigue resistance only by air cooling after hot forging. The main ingredients are, by weight %, 0.10-0.30% C, 0.05-0.50% Si, 0.80-2.00% Mn, 0.30-1.50% Cr, 0.05-0.50% Mo, 0.002-0.060% Al, 0.05-0.50% V, 0.008-0,020% N, and the balance Fe and inevitable impurities, where contents of some component elements should satisfy the following conditions,

REFERENCES:
patent: 2770563 (1956-11-01), Herzog
patent: 3489620 (1970-01-01), Current
patent: 3708280 (1973-01-01), Mimino et al.
patent: 3970483 (1976-07-01), Spaeder

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