45SiCr90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45SiCr90

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STAS/SR 45SiCr90

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This page is mainly introduced the 45SiCr90 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 45SiCr90,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
45SiCr90
  • Steel Garde:45SiCr90
  • Type:Special Alloy
  • Country:Romania
  • Standard:STAS/SR
  • Application:tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 108~332 σb/MPa
Yield Strength 258 σ 0.2 ≥/MPa
Elongation 74 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 280~995 -
HRC 30 -

Physical Properties

Thermal expansion 57-97 e-6/K
Thermal conductivity 86-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7292-0632 째C
Density 8830-0611 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)
45SiCr90 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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