X21CrNi17 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X21CrNi17

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AFNOR X21CrNi17

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This page is mainly introduced the X21CrNi17 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X21CrNi17,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:X21CrNi17
  • Type:Special Alloy
  • Country:France
  • Standard:AFNOR
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
X21CrNi17 AFNOR France

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 088~017 σb/MPa
Yield Strength 115 σ 0.2 ≥/MPa
Elongation 46 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 343~228 -
HRC 30 -

Physical Properties

Thermal expansion 39-99 e-6/K
Thermal conductivity 70-56 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8870-8884 째C
Density 3062-2943 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)
X21CrNi17 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