CPM Rex M4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CPM Rex M4

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AISI CPM Rex M4

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This page is mainly introduced the CPM Rex M4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of CPM Rex M4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CPM Rex M4
  • Steel Garde:CPM Rex M4
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:Powder metallurgy high-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 430~361 σb/MPa
Yield Strength 320 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 826~894 -
HRC 30 -

Physical Properties

Thermal expansion 70-66 e-6/K
Thermal conductivity 49-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5297-4447 째C
Density 3853-3156 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)
CPM Rex M4 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