86CrMoV7

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Chemical Composition (in weight %) of 86CrMoV7

C	Si	Mn	Cr	Mo	Ni	V	W	Others
0.87	0.30	0.38	1.75	0.28	0.13	0.10	-	-

Description
Low alloyed cold working tool steel.

Applications
Cold rolls, back-up rolls, straightening rolls, non-ferrous 2 and 4 high roll mills.

Soft Annealing
Heat to 720-750^oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 230.

Stress Relieving
Stress relieving to remove machining stresses should be carried out by heating to approx. 650^oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

Hardening
Harden from a temperature of 800-820^oC, 830-850^oC followed by water or oil quenching. Hardness after quenching is 64-67 HRC.

Tempering
Tempering temperature: 200-600^oC.

Tempering Temperature (^oC) vs. Hardness (HRC)