HIGHLY CORROSION RESISTANT GALVANNEALED STEEL SHEET

Title:

HIGHLY CORROSION RESISTANT GALVANNEALED STEEL SHEET

Document Type and Number:

Japanese Patent JPH073417

Kind Code:

A

Abstract:

PURPOSE: To produce a highly corrosion resistant galvannealed steel sheet excellent in rust proof.

CONSTITUTION: In a galvannealed steel sheet prepared by forming a Zn-Fe alloy layer as a first layer and a Zn-Fe-Ni-Al based alloy layer as a second layer on a steel sheet, the Zn-Fe-Ni-Al based alloy layer as a second layer has a composition containing 8-15% Fe, 0.1-2% Ni, and ≤1% Al. Further, ≤1% of Sb, Pb, and Mg are incorporated into the second layer, independently or in combination.

Inventors:

NISHIMURA KAZUMI
MURAMOTO FUJIKAZU
IMAI TAKESHI

Application Number:

JP14746793A

Publication Date:

January 06, 1995

Filing Date:

June 18, 1993

Export Citation:

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Assignee:

NIPPON STEEL CORP

International Classes:

C23C2/02; C23C2/06; C23C2/28; C23C28/02; C25D3/12; C25D5/26; (IPC1-7): C23C2/02; C23C2/06; C23C2/28; C23C28/02; C25D5/26

Attorney, Agent or Firm:

Honda Kodaira (3 outside)

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