Chromium-plated steel strip having excellent weldability and res

Details Chromium-plated steel strip having excellent weldability and res Chromium-plated steel strip having excellent weldability and res

1981-12-08

1984-01-31

Lewis, Michael L.

Stock material or miscellaneous articles

All metal or with adjacent metals

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

428639, 428646, 428648, 428666, 428679, 428680, 428935, 220456, B32B 1504, B32B 1518

Patent

active

044290217

ABSTRACT:
A chromium-plated steel strip having an excellent weldability and a satisfactory resistance to corrosion, comprises a steel strip substrate, a base layer consisting of an amorphous metallic material, for example, Ni-P or Ni-B alloy, in an amount of 3 to 500 mg/m.sup.2, an intermediate layer consisting of tin in an amount of 2.8 g/m.sup.2 or less, and a surface layer consisting of metallic chromium and hydrated chromium oxide in an amount of 5 to 150 mg/m.sup.2 and 3 to 30 mg/m.sup.2, respectively.

REFERENCES:
patent: 3077421 (1963-02-01), Budininkas
patent: 3978803 (1976-09-01), Asano et al.
patent: 4035248 (1977-07-01), Asano et al.
patent: 4205120 (1980-05-01), Morizot et al.
Lyman, T., et al., ed.; Metals Handbook, vol. 2, Am. Soc. for Metals, p. 547, TA472A3 (1964).
Silman, H., et al.; Protective and Decorative Coatings for Metals, p. 556, (1978).
Lowenheim, F. A.; Modern Electroplating 3rd ed., pp. 710-729, (1974).

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