Method and apparatus for cutting stainless steel

Details Method and apparatus for cutting stainless steel Method and apparatus for cutting stainless steel

1981-02-04

1983-01-04

Sheehan, John P.

Metallurgical apparatus

Means for cutting solid metal with heat, e.g., blowpipes

With waste entrapping fluid

266 66, 266 67, 266 72, 266 74, 266 77, B23K 708

Patent

active

043669506

ABSTRACT:
Gas cutting of a plate material such as of stainless steel or stainless-clad steel is efficiently carried out by advancing a cutting torch along a mild steel bead formed on the material by melting thereon mild steel using a welding torch. When the material preheated in advance is burnt by directing a jet of oxygen thereto, the mild steel bead on the material effects to elevate the combustion temperature, thereby allowing refractory slag produced in cutting to be fused and blown off by virtue of the jet of oxygen.

REFERENCES:
patent: 857247 (1907-06-01), Menne
patent: 1977640 (1934-10-01), Linden
patent: 2036734 (1936-04-01), Kehl
patent: 2116870 (1938-05-01), Rockefeller et al.
patent: 3174736 (1965-03-01), Cameron
patent: 3967090 (1976-06-01), Hamasaki et al.

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