Method for producing a low temperature high strength tough steel

Details Method for producing a low temperature high strength tough steel Method for producing a low temperature high strength tough steel

1974-08-07

1976-06-01

Stallard, W.

Metal treatment

Compositions

Heat treating

75123K, 148 36, C21D 714

Patent

active

039606120

ABSTRACT:
A low temperature high strength tough steel is provided by effecting a series of heat treatments at predetermined temperatures.
The steel comprises C, Si, Mn, Ni, Mo, Nb, N, Al, and if necessary, V, Ti, Cr, Ca or Ce in predetermined amounts with the rest iron and unavoidable impurities.

REFERENCES:
patent: 3619302 (1971-11-01), Aoki et al.
patent: 3806378 (1974-04-01), Bramfitt et al.
patent: 3811873 (1974-05-01), deBarbadillo

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