Metal treatment – Compositions – Heat treating
Patent
1975-04-08
1976-07-13
Lanham, C. W.
Metal treatment
Compositions
Heat treating
29DIG45, 29180GC, 72 38, 72364, 72700, 148 127, C21D 174, C21D 180, C21D 908, C22F 118
Patent
active
039691551
ABSTRACT:
Production of tapered titanium alloy tube performed by subjecting uniformly dimensioned tube to multiple swaging steps interspersed with vacuum annealing, heat hardening in the presence of atmospheric gases producing high yield strength in the final product.
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patent: 2037636 (1936-04-01), Lagerblade
patent: 2804409 (1957-08-01), Kessler et al.
patent: 2857269 (1958-10-01), Vordahl
patent: 2974076 (1961-03-01), Vordahl
patent: 3614101 (1971-10-01), Hunter
patent: 3649374 (1972-03-01), Chalk
patent: 3794528 (1974-02-01), Rosales et al.
patent: 3809403 (1974-05-01), Hunter
Combs E. M.
Kawecki Berylco Industries, Inc.
Lanham C. W.
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