Surface-treated steel sheet for fuel containers having excellent

Details Surface-treated steel sheet for fuel containers having excellent Surface-treated steel sheet for fuel containers having excellent

1999-07-29

2000-11-07

Jones, Deborah

Stock material or miscellaneous articles

All metal or with adjacent metals

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

148264, 428632, 428680, 4284721, B32B 1518

Patent

active

061434302

ABSTRACT:
Surface treated steel sheet for fuel containers having excellent corrosion resistance, formability and weldability is provided. A steel sheet containing 0.0005-0.0040% of C, 0.005-0.020% of P, 0.0005-0.0040% of N, and 0.0005-0.0030% of B has on at least one surface a first coating layer constituted as a Zn coating layer of a coating weight of 5-80g/m.sup.2 and a second coating layer on the first coating layer constituted as a Ni coating layer of a coating weight of 0.5-10g/m.sup.2. The Zn coating layer is composed of Zn, Zn--Fe alloy or Zn--Ni alloy. Alternatively, one surface is formed with the first coating layer and the second coating layer and the other surface is formed with a Zn coating layer.

REFERENCES:
patent: 4663245 (1987-05-01), Yoshida et al.
patent: 5384206 (1995-01-01), Ushioda et al.

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