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 674~130 σb/MPa
Yield Strength 157 σ 0.2 ≥/MPa
Elongation 62 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 915~989 -
HRC 30 -

Physical Properties

Thermal expansion 31-36 e-6/K
Thermal conductivity 40-04 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9479-4305 째C
Density 6253-5730 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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