M84 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M84

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AFNOR M84

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This page is mainly introduced the M84 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M84,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:M84
  • Type:Special Alloy
  • Country:France
  • Standard:AFNOR
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
M84 AFNOR France
M84 AFNOR France
M84 AFNOR France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 849~810 σb/MPa
Yield Strength 914 σ 0.2 ≥/MPa
Elongation 09 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 127~416 -
HRC 30 -

Physical Properties

Thermal expansion 58-70 e-6/K
Thermal conductivity 70-70 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9369-6998 째C
Density 6202-3428 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)
M84 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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