SUM22 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM22

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CNS SUM22

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This page is mainly introduced the SUM22 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM22,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUM22
  • Steel Garde:SUM22
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUM22L CNS China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 744~127 σb/MPa
Yield Strength 880 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 694~355 -
HRC 30 -

Physical Properties

Thermal expansion 44-14 e-6/K
Thermal conductivity 64-15 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8113-0297 째C
Density 5341-7727 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)
SUM22 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