Zinc-aluminum eutectic alloy coated ferrous strip

Details Zinc-aluminum eutectic alloy coated ferrous strip Zinc-aluminum eutectic alloy coated ferrous strip

1976-06-10

1977-11-01

Steiner, Arthur J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

427433, B32B 1518

Patent

active

040566579

ABSTRACT:
A ferrous metal strip having a continuous hot-dip coating consisting essentially of the zinc-5% aluminum eutectic alloy which contains as the only metallic additive a metal which reduces the surface tension of the coated bath, such as lead, antimony or tin, with the total amount of the metallic additives being a maximum of about 0.1 wt. %, and said coating being formable and exhibiting good corrosion resistance when exposed to marine-type environments and having a bright, smooth surface free of ripples and spangles which interfere with paintability and weldability.

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patent: 3056694 (1962-10-01), Mehler et al.
patent: 3320040 (1967-05-01), Roe et al.
patent: 3505043 (1970-04-01), Lee et al.
patent: 3962501 (1976-06-01), Ohbu et al.
"The Effect of Impurities on the Oxidation and Swelling of Zn-Al Alloys", Trans AIME, vol. 68, p. 796; 1923.
"The Effects of Agitation, Cooling and Al on the Alloying in Hot Dipping in Zn", Cameron; Edited Proc. 6th Int'l Conf. on Hot-Dip Galvanizing, Interlaken, pp. 276-311; 6/71.

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