SUM23 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM23

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CNS SUM23

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This page is mainly introduced the SUM23 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM23,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUM23
  • Steel Garde:SUM23
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUM23L CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 929~184 σb/MPa
Yield Strength 929 σ 0.2 ≥/MPa
Elongation 74 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 255~672 -
HRC 30 -

Physical Properties

Thermal expansion 34-50 e-6/K
Thermal conductivity 54-47 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1081-7683 째C
Density 5421-5353 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)
SUM23 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