A new organic composite-coated steel sheet with bake-hardenability has been developed. The steel sheet consists of Zn-Ni alloy electroplated layer, chromate and zinc powder free organic film. To obtain better formability (anti-powdering) and weldability, the thickness of the organic film is reduced to 0.8∼1.5µm (1.0∼2.0g/m2). The addition of bake-hardenability to this organic coated steel sheet was realized by controlling the amount of residual solute carbon in continuous annealed extra low carbon steels.Corrosion resistance, formability and weldability of the obtained steel sheet were investigated.
Newly Developed Organic Composite-Coated Steel Sheet with Bake-Hardenability
Sae Technical Papers
1986 SAE Automotive Corrosion and Prevention Conference and Exposition ; 1986
1986-12-08
Aufsatz (Konferenz)
Englisch
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