Non-heat refined steel bar having improved toughness

Details Non-heat refined steel bar having improved toughness Non-heat refined steel bar having improved toughness

1986-12-16

1989-02-21

Yee, Deborah

Metal treatment

Stock

Ferrous

148333, C22C 3828

Patent

active

048061786

ABSTRACT:
Improved toughness of forging is obtained without quenching and tempering by controlling the steel composition to: 0.05% to less than 0.15% C.; 0.10-1.00% Si; 0.50-3.00% Mn; 1.60-4.20% Mn+Cr; 0.010-0.030% Ti; 0.005-0.0030% B; 0.01-0.05% Al; and 0.0060% or less of N.

REFERENCES:
patent: 4388122 (1983-06-01), Sudo et al.
patent: 4472208 (1984-09-01), Kunishige
patent: 4537644 (1985-08-01), Tominaga et al.

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