M2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M2

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ASTM M2

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This page is mainly introduced the M2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M2/T11302
  • Steel Garde:M2
  • Type:Special Alloy
  • Country:USA
  • Standard:ASTM
  • Application:Molybdenum series High-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 944~233 σb/MPa
Yield Strength 302 σ 0.2 ≥/MPa
Elongation 98 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 837~945 -
HRC 30 -

Physical Properties

Thermal expansion 55-77 e-6/K
Thermal conductivity 44-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5954-1675 째C
Density 0517-9601 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
M2 Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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