Aluminized chromized steel

Details Aluminized chromized steel Aluminized chromized steel

1982-07-16

1984-08-21

Childs, Sadie L.

Stock material or miscellaneous articles

All metal or with adjacent metals

Nonplanar, uniform-thickness material having symmetrical...

138143, 138146, 138DIG6, 427237, 427239, 427252, 427253, 427319, 427320, 427405, 4272557, 428 36, 428651, 428667, B21C 3700

Patent

active

044670168

ABSTRACT:
Low alloy steel tubing is decarburized, chromized and then aluminized with or without masking at the sites at which the tubing is to be welded in place, to greatly increase resistance of the tubing to high temperature oxidation and sulfidation. Low surface aluminum content after aluminizing makes it easier to weld at that surface.

REFERENCES:
patent: 3694255 (1972-09-01), Brill-Edwards
patent: 3764371 (1973-10-01), Baldi
patent: 3801357 (1974-04-01), Baldi
patent: 3936539 (1976-02-01), Baldi
patent: 4181758 (1980-01-01), Elam
patent: 4208453 (1980-06-01), Baldi
patent: 4350719 (1982-09-01), Baldi

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