17 021 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 17 021

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CSN 17 021

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This page is mainly introduced the 17 021 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 17 021,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
17 021
  • Steel Garde:17 021
  • Type:Special Alloy
  • Country:Czech Republic
  • Standard:CSN
  • Application:The Czech republic Stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 449~249 σb/MPa
Yield Strength 209 σ 0.2 ≥/MPa
Elongation 31 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 919~561 -
HRC 30 -

Physical Properties

Thermal expansion 23-65 e-6/K
Thermal conductivity 49-83 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6178-5336 째C
Density 7339-4072 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)
17 021 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