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

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 079~427 σb/MPa
Yield Strength 752 σ 0.2 ≥/MPa
Elongation 04 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 434~964 -
HRC 30 -

Physical Properties

Thermal expansion 22-34 e-6/K
Thermal conductivity 46-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8949-4737 째C
Density 4498-3301 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)
SM 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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