55SiMo8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55SiMo8

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UNE 55SiMo8

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This page is mainly introduced the 55SiMo8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55SiMo8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
55SiMo8
  • Steel Garde:55SiMo8
  • Type:Special Alloy
  • Country:Spain
  • Standard:UNE
  • Application:Spain structural alloy steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 803~877 σb/MPa
Yield Strength 635 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 805~688 -
HRC 30 -

Physical Properties

Thermal expansion 28-67 e-6/K
Thermal conductivity 12-62 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2322-0988 째C
Density 7588-3679 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)
55SiMo8 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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