SUM12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM12

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CNS SUM12

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This page is mainly introduced the SUM12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUM12
  • Steel Garde:SUM12
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 208~503 σb/MPa
Yield Strength 418 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 880~946 -
HRC 30 -

Physical Properties

Thermal expansion 16-51 e-6/K
Thermal conductivity 26-29 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1754-6209 째C
Density 7700-9636 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)
SUM12 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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