1.4731 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4731

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DIN 1.4731

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This page is mainly introduced the 1.4731 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 1.4731,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
1.4731
  • Steel Garde:1.4731
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:Valve steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 013~612 σb/MPa
Yield Strength 106 σ 0.2 ≥/MPa
Elongation 26 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 803~137 -
HRC 30 -

Physical Properties

Thermal expansion 85-94 e-6/K
Thermal conductivity 76-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6016-0429 째C
Density 6165-0046 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
1.4731 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