Welded ferritic stainless steel article

Details Welded ferritic stainless steel article Welded ferritic stainless steel article

1981-11-17

1983-11-29

Rutledge, L. Dewayne

Specialized metallurgical processes, compositions for use therei

Processes

Free metal or alloy reductant contains magnesium

75128N, 75128G, 75128T, 75126D, 75126F, C22C 3820

Patent

active

044179219

ABSTRACT:
A ferritic stainless steel and weldable article made therefrom is provided having good resistance to stress corrosion cracking, as well as resistance to pitting and crevice corrosion. The steel, which has good ductility and fabricability making it suitable for integrally-finned tubing, is an 11.5 to 13.5% chromium stainless steel having controlled low amounts of carbon, nitrogen, nickel and copper.

REFERENCES:
patent: 3607237 (1971-10-01), Kalita
patent: 3607246 (1971-10-01), Kalita
patent: 3650731 (1972-03-01), Aggen
patent: 3850703 (1974-11-01), Kalita
patent: 3953201 (1976-04-01), Wood et al.
patent: 4286986 (1981-09-01), Bourneman
patent: 4331474 (1982-05-01), Espy
Article: New Ferritic Stainless Steel Tube for Heat Exchangers, Deverell & Maurer, Power Engineering (Aug. 1980).
Publication: Stainless Steel-Allegheny Ludlum Type 439, A-L Blue Sheet.

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