42 2921 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42 2921

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CSN 42 2921

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This page is mainly introduced the 42 2921 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 42 2921,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
42 2921
  • Steel Garde:42 2921
  • Type:Special Alloy
  • Country:Czech Republic
  • Standard:CSN
  • Application:The Czech republic Stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 501~199 σb/MPa
Yield Strength 785 σ 0.2 ≥/MPa
Elongation 25 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 694~125 -
HRC 30 -

Physical Properties

Thermal expansion 74-57 e-6/K
Thermal conductivity 89-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8977-8793 째C
Density 6875-3118 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 2921 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