High strength, high toughness steel grade and gas cylinder there

Details High strength, high toughness steel grade and gas cylinder there High strength, high toughness steel grade and gas cylinder there

1993-08-25

1995-02-07

Yee, Deborah

Alloys or metallic compositions

Ferrous

Chromium containing, but less than 9 percent

148334, C22C 3812, C22C 3804

Patent

active

053873920

ABSTRACT:
A high strength, high toughness steel comprising from about 0.32 to about 0.36 percent by weight carbon, from about 0.40 to about 0.60 percent by weight manganese, from about 0.15 to about 0.35 percent by weight silicon, from about 0.80 to about 1.10 percent by weight chromium, from about 0.55 to about 0.70 percent by weight molybdenum, from about 0.01 to about 0.05 percent by weight aluminum, from about 0.002 to about 0.004 calcium, no more than about 0.015 percent by weight phosphorus, no more than about 0.008 percent by weight sulfur, with the balance being iron.

REFERENCES:
patent: 4461657 (1984-07-01), Rana et al.
patent: 5030297 (1991-07-01), Vespermann et al.
patent: 5133928 (1992-07-01), Oldfield
Naylor, Development of Application of High Strength Steals G. Costed Weight Reduction.

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