Heat treating oil composition

Details Heat treating oil composition Heat treating oil composition

C - Chemistry, Metallurgy

21

D

C21D 1/58 (2006.01) C10M 159/20 (2006.01) C10M 163/00 (2006.01) C10M 169/04 (2006.01)

Patent

CA 2080788

There is disclosed a heat treating oil composition which comprises (A) at least one base oil selected from a mineral oil and a synthetic oil each having a sulfur content of not more than 300ppm and (B) at least one member selected from alkaline earth metal salts of salicylic acid. There is also disclosed a heat treating oil composition which comprises (I) a base oil having a sulfur content of 3 to 1000ppm consisting of said (A) component and (C) at lease one member selected from a sulfur and a sulfur compound, along with (II) various additives for quenching. This heat treating oil composition is suitable for quenching under the condition of a high oil temperature and capable of obtaining a treated metal excellent in brightness and having a minimized distortion.

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