C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
148/40, 117/94
C21D 1/48 (2006.01) C21D 9/52 (2006.01) C23C 2/06 (2006.01)
Patent
CA 1196557
Abstract of the Disclosure The invention relates to a method for producing coated high strength low alloy steel. A strip of steel is cleaned from rolling oil, is heated to the temperature range A1 to A3 in a protective atmosphere, is soaked and subsequently quenched in a zinc-aluminum bath for a short time sufficient to adhere a zinc coating to the steel surface, whereafter the steel strip is rapidly cooled to a temperature below 300°C, to obtain a dual-phase steel structure.
403801
Kirby Eades Gale Baker
Ra-Shipping Ltd. Oy
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