Hot-dip aluminum coated steel sheet having excellent corrosion r

Details Hot-dip aluminum coated steel sheet having excellent corrosion r Hot-dip aluminum coated steel sheet having excellent corrosion r

1986-11-07

1990-01-02

McDowell, Robert

Stock material or miscellaneous articles

All metal or with adjacent metals

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

420 34, 420 64, 420104, 420120, 428652, 428679, 428682, 428684, B32B 1518

Patent

active

048912743

ABSTRACT:
A hot-dip aluminium coated steel sheet having excellent corrosion resistance and heat resistance, comprising a steel substrate containing 3 to 18% chromium, not more than 0.02% carbon, 0.1 to 1.5% manganese, 0.005 to 0.08% aluminium, not more than 0.1% silicon, with the balance being iron and unavoidable impurities, and aluminium coating on said sheet substrate. The coated sheet may further comprises a coating layer of nickel or nickel-iron alloy (Ni: 1 to 99%) beneath the aluminium coating, or an Al-Fe-Si-Ni-Cr alloy coating layer of 1 to 10.mu. in thickness and containing 0.05 to 5% nickel, 0.2 to 10% chromium, beneath the aluminium coating.

REFERENCES:
patent: 4054448 (1977-10-01), Wright

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