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ASTM M3 Class1

M3 Class1


M3 Class1 material is Molybdenum series High-speed tool steel.

Chemical composition of M3 Class1, M3 Class1 mechanical properties, M3 Class1 datasheet, M3 Class1 equivalent grade, Heat treatment and temperature process of M3 Class1.


M3 Class1 property sheet

M3 Class1 Spec.

Related Materials

M3

Chemical Composition of M3 Class1

C 1.00～1.10
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 2.25～2.75
W 5.00～6.75

Mechanical Properties of M3 Class1

Rp0.2 (MPa) 177 (≥)
Rm (MPa) 646 (≥)
AKV (J) 34
A (%) 34
Z (%) 13
Hardness HBW 334

M3 Class1 shape and dimensions

M3 Class1 Round bar: 1mm-800mm
M3 Class1 Square bar: 10mm * 10mm-600mm *600mm
M3 Class1 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
M3 Class1 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
M3 Class1 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
M3 Class1 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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