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Location: HomeProductsPowder Metallurgy High-speed SteelPM 60

PM 60

PM 60

Chemical composition


C Cr Mo W V Co
2.3 4.2 7.0 6.5 6.5 10.5

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Standard control
Europe HS 6-7-6-10
Germany W.Nr.1.3241

Delivery hardness


Max 340HB

Properties

PM60 is a kind of ultra-pure powder metallurgy of alloy tool steel not containing high alloy. Its hardness ups to 70HRC, and it integrates have high compressive strength and high wear resistance that other materials do not have. In times of high-carbon tool steel scrap, PM60 is the best alternative.

Supply size
Forging materials Size rangemm
Round 90-380
Party/partial Maximum width 450

Minimum thickness 40
Rolled products
Skinning 10-72
The black board eraser Thickness 5-55

Width20-260
Special shapes
As required
PM module
400*500*2100

400*500*1100

Annealing treatment


Cooling to 700 slowly at a rate of 10/h under protective atmosphere of 850-900,then air cooling.

Strain relief


Keeping in 600-700 for 2 hours, and cooling to 500 slowly.

Quenching


Preheating in two steps under protective atmosphere, 400-500 and 850-900, and choosing the right temperature depending on the hardness and then cooling of austenite to 40-50.

Tempering


560 3 times, each time for at least 1 hour, cooling to room temperature after each tempered.

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