Corrosion resistant steels

Metal treatment – Compositions – Heat treating

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75122, 75125, 75128A, 75128B, 75128C, 75128N, 75128W, 148 37, C22C 3842

Patent

active

040323676

ABSTRACT:
The invention provides a corrosion resistant high strength steel, which has a ferritic/austenitic microstructure consisting of 40 to 60% austenite grains embedded in a ferrite matrix being substantially free of precipitated particles of other phases, the steel consisting of the following elements in proportion by weight:

REFERENCES:
patent: 3567434 (1971-03-01), Richardson et al.
patent: 3825417 (1974-07-01), Costello et al.
patent: 3854937 (1974-12-01), Muta et al.
patent: 3926685 (1975-12-01), Gueussier et al.

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