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ASTM M3 Class2

M3 Class2


M3 Class2 material is Molybdenum series High-speed tool steel .

Chemical composition of M3 Class2, M3 Class2 mechanical properties, M3 Class2 datasheet, M3 Class2 equivalent grade, Heat treatment and temperature process of M3 Class2.


M3 Class2 property sheet

M3 Class2 Spec.

Related Materials

M3

Chemical Composition of M3 Class2

C 1.15～1.25
Si 0.20～0.45
Mn 0.15～0.40
P ≤0.030
S ≤0.030
Cr 3.75～4.50
Mo 4.75～6.50
V 2.75～3.25
W 5.00～6.75

Mechanical Properties of M3 Class2

Rp0.2 (MPa) 122 (≥)
Rm (MPa) 643 (≥)
AKV (J) 24
A (%) 34
Z (%) 31
Hardness HBW 233

M3 Class2 shape and dimensions

M3 Class2 Round bar: 1mm-800mm
M3 Class2 Square bar: 10mm * 10mm-600mm *600mm
M3 Class2 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
M3 Class2 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
M3 Class2 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
M3 Class2 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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