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Annealing: generally, the annealing temperature is 78-800 degrees, and the insulation temperature is 4-6 hours. The annealing temperature is 50 degrees/hour, and the air cooling temperature is kept at 550 degrees/hour. The isothermal annealing temperature is kept at 700-800 degrees for 2-4 hours, and then the heat preservation temperature is kept at 670-720 degrees for 2-4 hours, and the air cooling temperature is kept at 500 degrees/hour, and the annealing hardness is 241-197hb
9CrWMn/1.2510/O1/SKD3 die steel is low alloy cold working die steel.The steel has a certain degree of hardenability and wear resistance.9CrWMn die steel is usually used to manufacture cold stamping die with small cross section and complicated shape and various gauges.
O1 steels are mainly used for short run tooling for cold forming dies, blanking dies, and cutting tools operating at ambient temperature.
Typical applications for O1 tool steel are blanking, forming, and trim dies, gages, slitting cutters, punches, bolster dies, knock-out pins, thread roll dies, bending dies, plastic mold dies, shims, cams, machine ways, stamps, machine parts, jigs, cutter templates, swaging dies, etc.
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