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

Location » Home » Grades > Special Alloy > X21CrNi17

AFNOR X21CrNi17

Profile

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 914~918 σb/MPa
Yield Strength 006 σ 0.2 ≥/MPa
Elongation 27 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 245~462 -
HRC 30 -

Physical Properties

Thermal expansion 53-36 e-6/K
Thermal conductivity 77-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9764-0254 째C
Density 5934-1244 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