High mechanical strength reinforcement steel

Details High mechanical strength reinforcement steel High mechanical strength reinforcement steel

1979-07-03

1981-11-10

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75125, F16H 2910

Patent

active

042996210

ABSTRACT:
A high mechanical strength reinforcement steel able to be welded up to a determined carbon content, and stable to atmospheric corrosion, comprising, besides iron, at most 1.2% (by weight) of carbon, at most 3.5% (by weight) of manganese, at most 2.8% (by weight) of silicon, at most 1% (by weight) of molybdenum, at most 3% of copper and/or nickel, at most 0.15% (by weight) of zirconium and/or cerium and 0.04%-0.3% (by weight) of niobium and/or vanadium, 0.008 to 0.035% (by weight) of nitrogen, 0.0005 to 0.025% (by weight) of calcium, 0.02-0.15% (by weight) of aluminum and 0.001-0.05% (by weight) of boron and/or beryllium.

REFERENCES:
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patent: 3719474 (1973-03-01), Bieber et al.
patent: 3900347 (1975-08-01), Lorenzetti et al.
patent: 3989514 (1976-11-01), Fujioka et al.
patent: 4043807 (1977-08-01), Kirman
patent: 4153454 (1979-05-01), Emi et al.
patent: 4155752 (1979-05-01), Oppenheim et al.

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