ALUMINIUM-CLAD STEEL SHEET, METHOD FOR HOT FORMIN ALUMINIUM CLAD STEEL SHEET AND PART OF VEHICLE Russian patent published in 2016 - IPC C23C28/00 B21D22/20 

FIELD: technological processes.

SUBSTANCE: invention relates to cladded aluminium steel sheet for hot forming, method of hot forming of said sheet and part of vehicle. Clad aluminium steel sheet contains steel sheet, a layer of aluminium coating formed on one or both surfaces of steel sheet containing at least 85 % or more of aluminium, and a layer of protective coating deposited on the surface layer of aluminium coating. Applied layer of protective coating contains zinc oxide and one or more improving oiliness compounds which contain one or more elements from a number of transition metals. Number of improving oiliness compound containing transition metal, in the deposited layer of protective coating ranges from 1 to 40 wt% of total amount of zinc oxide.

EFFECT: providing clad aluminium steel plate having improved oiliness and has improved formability during hot stamping and improved efficiency.

18 cl, 6 dwg, 9 tbl, 6 ex