Martensite 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Martensite 4

CNS Martensite 4

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This page is mainly introduced the Martensite 4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Martensite 4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
CNS standard heat resistant steel bars(CNS 9608-1998)
  • Steel Garde:Martensite 4
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:CNS standard heat resistant steel bars(CNS 9608-1998)

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 718~468 σb/MPa
Yield Strength 580 σ 0.2 ≥/MPa
Elongation 26 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 776~042 -
HRC 30 -

Physical Properties

Thermal expansion 58-02 e-6/K
Thermal conductivity 63-05 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2756-5213 째C
Density 4250-5596 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)
Martensite 4 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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