SUM31L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM31L

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CNS SUM31L

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This page is mainly introduced the SUM31L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUM31L,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SUM31L
  • Steel Garde:SUM31L
  • Type:Special Alloy
  • Country:China
  • Standard:CNS
  • Application:China Taiwan Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 587~387 σb/MPa
Yield Strength 274 σ 0.2 ≥/MPa
Elongation 14 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 471~143 -
HRC 30 -

Physical Properties

Thermal expansion 18-22 e-6/K
Thermal conductivity 67-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9742-7006 째C
Density 5991-0645 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)
SUM31L 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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