1.2842

90MnCrV8 / AISI: O2
Delivery Method : Normalized, annealed 180-220HB

Uses : High hardening ability is cold work tool steel. It has high dimensional stability in heat treatment. Bolt scrub cheeks, scissors blades, plastic molds, gages, precision measuring tools, cutting and plastic crushing knives are widely chosen. It is known as oil steel.

Chemical Composition (%)	C	Si	Mn	Cr	V
% Average	0,90	0,25	2,00	0,35	0,10
DIN Analysis	0,85-0,95	0,10-0,40	1,80-2,20	0,20-0,50	0,05-0,20

Luminous Conductivity ( W/ m.K )	20°C	350°C	700°C
	33,0	32,0	31,3

HEAT TREATMENT DATA
	Temperature(°C)	Time(Hours)	Cooling Environment
Softening Annealing	680-720	2-5*	Baked
Tension	600-650	2*	Baked
Hardening	790-820	-	Oil, 180-220°C
Tempering	180-300	1 hour for every 20 mm	Air

*Time interval varying depending on the section.