M3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M3

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AISI M3

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This page is mainly introduced the M3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M3
  • Steel Garde:M3
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:Powder metallurgy high-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 860~708 σb/MPa
Yield Strength 651 σ 0.2 ≥/MPa
Elongation 97 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 594~694 -
HRC 30 -

Physical Properties

Thermal expansion 90-30 e-6/K
Thermal conductivity 76-78 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7074-9104 째C
Density 6760-5171 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)
M3 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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