12020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12020

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CSN 12020

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This page is mainly introduced the 12020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12020,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12020
  • Steel Garde:12020
  • Type:Special Alloy
  • Country:Czech Republic
  • Standard:CSN
  • Application:The Czech republic Structural steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
412020 CSN Czech Republic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 677~708 σb/MPa
Yield Strength 299 σ 0.2 ≥/MPa
Elongation 22 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 298~025 -
HRC 30 -

Physical Properties

Thermal expansion 75-31 e-6/K
Thermal conductivity 37-51 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7881-2939 째C
Density 1144-0227 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)
12020 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