M2 (UNS T11302) is a high speed tungsten-molybdenum tool steel. It has high wear resistance and it is usually used to manufacture a variety of tools, such as drill bits, taps and reamers. Its decarbonization sensitivity is a little bit high.
M2 tool steel designation
AISI M2 / ASTM M2
M2 round/square bar
3.75 – 4.50
0.15 – 0.40
0.20 – 0.45
5.50 – 6.75
1.75 – 2.20
Physical and Mechanical Properties
Density:7.72 to 8.0 g/cm3
Thermal expansion at 20-200° C: 9.7 10⁶m/(m*K)
Hardness, Rockwell C: 65 HRC.
Thermal Conductivity at 20°C: 32.8 W/(m*K)
For all metal-cutting tools for roughing or finishing such as Blanking Dies, Lathe tools, Planer Tools, Boring Tools, Lamination Dies, Router Bits, Shear Blades, Thread Chasers, Twist Drills, Wood Knives, Mandrels, Milling Cutters, Gear Cutters, Center Drills
After heat treatment, its hardness is the same as T-1, but its toughness and thermoplasticity are higher than T-1 by 50%.
LKALLOY is a leading Supplier of AISI M2 Steel. We mainly stocks and produces AISI M2 bar, AISI M2 flats, AISI M2 plates and other forms in various size and specifications.
Room 2509, Block A, ITL Building, Gangwu Road, Xi’an, China