42 2739 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42 2739

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CSN 42 2739

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This page is mainly introduced the 42 2739 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42 2739,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
42 2739
  • Steel Garde:42 2739
  • Type:Special Alloy
  • Country:Czech Republic
  • Standard:CSN
  • Application:The Czech republic Structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 258~870 σb/MPa
Yield Strength 595 σ 0.2 ≥/MPa
Elongation 93 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 245~768 -
HRC 30 -

Physical Properties

Thermal expansion 07-36 e-6/K
Thermal conductivity 82-02 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4160-0425 째C
Density 3767-7794 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)
42 2739 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