65Si7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 65Si7

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DIN 65Si7

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This page is mainly introduced the 65Si7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 65Si7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
65Si7
  • Steel Garde:65Si7
  • Type:Special Alloy
  • Country:Germany
  • Standard:DIN
  • Application:Valve steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 147~050 σb/MPa
Yield Strength 904 σ 0.2 ≥/MPa
Elongation 74 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 661~592 -
HRC 30 -

Physical Properties

Thermal expansion 83-30 e-6/K
Thermal conductivity 51-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1037-3401 째C
Density 1707-8130 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)
65Si7 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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