X8Ni9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X8Ni9

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AFNOR X8Ni9

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This page is mainly introduced the X8Ni9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X8Ni9,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
X8Ni9
  • Steel Garde:X8Ni9
  • Type:Special Alloy
  • Country:France
  • Standard:AFNOR
  • Application:Fasteners with stainless steel and nickel alloy for high temperature and low temperature (NF-EN 10269(1999))

Cross Reference Table(Equivalent Materials):

Material Standard Country
X8Ni9 UNE Spain
X8Ni9 UNE Spain
X8Ni9KK ONORM Austria
EN X8Ni9 EN Euronorm

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 726~051 σb/MPa
Yield Strength 683 σ 0.2 ≥/MPa
Elongation 22 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 481~890 -
HRC 30 -

Physical Properties

Thermal expansion 32-82 e-6/K
Thermal conductivity 62-06 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2910-3255 째C
Density 4573-4017 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)
X8Ni9 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