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Product Range
 
Product Range
  Cold Work Tool Steel
  Hot Work Tool Steel
  High Speed Steel
    AISI M2
    AISI M35
    AISI T1
  Plastic Mould Steel
  Alloy Steel
  Case Hardening Steel
 

High Speed Steel

AISI M2


Chemical Composition:
Typical analysis in %
C
Cr
Mo
V
W
0.90
4.1
5.0
1.9
6.4


Steel properties:
Standard high-speed steel grade. High toughness and good cutting power owing to its well-balanced alloy composition; thus suitable for wide variety of applications.

 

Physical properties:

 
20
350
700 ºC
 
32.8
23.5
25.5



Applications : For all metal-cutting tools for roughing or finishing, such as twist drills, all kinds of milling cutters, screw taps, screw dies, broaches, reamers, countersinks, thread chasers, segments for circular saws, shaping tools and woodworking tools. Also highly suitable for cold-forming tools, such as cold extrusion rams and dies, as well as cutting and precision cutting tools, plastic moulds with elevated wear resistance and screws.

 
Heat treatment:
Soft annealing ºC
Cooling
Hardness HB
 
770-860
Furnace
240-300
 
1 st pre-heating
ºC
2 nd and 3 rd
ºC
Hardening
ºC
Quenching
Tempering
ºC
Hardness after
tempering
HRC
Up to approx 400 in an air circulating furnace
a)850
b)850
and 1050
1190-1230
a)Saltbath 550ºC
b) Oil
c) Air
At least twice 530 560
64-66
 
 
 
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