Petroleum quench oil

Details Petroleum quench oil Petroleum quench oil

C - Chemistry, Metallurgy

21

D

C21D 1/58 (2006.01) C10M 161/00 (2006.01)

Patent

CA 2263702

Petroleum quench oils effective for high speed cooling of heated metals and metal hardening are disclosed. The petroleum quench oils contain natural or synthetic base oils having a minimum flash point of about 120°C and a combination of poly(iso)alkylene and poly(iso)alkylene succinic anhydride or succinic acid. A method for cooling heated metal to harden it, improve the metallurgical consistency, improve machinability and reduce residue on quenched metal parts is also disclosed comprising quenching the heated metal part in a quench oil containing natural or synthetic base oils having a minimum flash point of about 120°C and a combination of poly(iso)alkylene and poly(iso)alkylene succinic anhydride or succinic acid.

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