Weathering steel with high toughness

Details Weathering steel with high toughness Weathering steel with high toughness

1977-07-01

1978-06-13

Steiner, Arthur J.

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75125, C22C 3806, C22C 3816, C22C 3820

Patent

active

040946703

ABSTRACT:
A weathering steel has high toughness and rapidly develops a protective oxide coating and contains C 0.05 - 0.15, Mn 0.5 - 1.5, Cu 0.2 - 0.5,Al 0.2 - 0.5, Si 0.1 - 0.8, Cr 0.5 - 1.5, S up to 0.02, P up to 0.04, Nb up to 0.020, N up to 0.010 Mo up to 0.15, Ti up to 0.1, balance essentially iron, the proportions being as follows:

REFERENCES:
patent: 2679454 (1954-05-01), Offenhauer
patent: 2901346 (1959-08-01), Huddle et al.
patent: 3684493 (1972-08-01), Kubota et al.

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