ALUMINIZED BASED SURFACE TREATED STEEL SHEET FOR VESSEL EXCELLENT IN CORROSION RESISTANCE, APPEARANCE AND WORKABILITY

摘要

PROBLEM TO BE SOLVED: To provide an aluminized based surface treated steel sheet for a vessel, particularly for a pale can, which is excellent in workability at the time of making a can and has excellent corrosion resistance, heat resistance and appearance after making the can. ;SOLUTION: A chromate coating film containing reduced chromic acid, phosphonic acid or a chlorophosphonate and an organic high polymer compound is formed with 7.5-1.20 mg/m² coating weight of Cr on a surface containing 2-13% and aluminized with 20-200 g/m² coating weight.;COPYRIGHT: (C)1999,JPO