Kawasaki Steel has developed a precoated galvannealed steel sheet for lead-free automotive fuel tank to reduce the amount of lead of the fuel tank. The newly developed precoated steel sheet has two types of thin organic resin coated surfaces on the galvannealed alloy coated base metal. One side of the sheet is coated with a 1 micron thick lubricant resin layer for improving press formability and the other side is coated with a 5 micron thick epoxy resin layer having metallic powders that are useful to improve the anti-fuel corrosion resistance and seam weldability. The new lead-free coated steel sheet shows excellent anti-fuel corrosion resistance, equal press formability, spot weldability and seam weldability in comparison with those of usual terne coated steel sheets. (VDEh)
Properties of pre-coated galvannealed steel sheet for lead-free automotive fuel tank use
Eigenschaften vorbeschichteter Galvannealed-Feinbleche für Kraftstofftanks für bleifreies Benzin
Titel japanisch
Kawasaki Steel Giho ; 32 , 1 ; 21-25
2000
5 Seiten, 16 Bilder, 3 Tabellen, 5 Quellen
Article (Journal)
Japanese
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