ISO X7CrNi18 9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X7CrNi18 9

ISO ISO X7CrNi18 9

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This page is mainly introduced the ISO X7CrNi18 9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO X7CrNi18 9,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ISO standard Austenite size heat resistant steel
  • Steel Garde:ISO X7CrNi18 9
  • Type:Special Alloy
  • Country:ISO
  • Standard:ISO
  • Application:ISO standard Austenite size heat resistant steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
X7CrNi18-9 ISO ISO
ISO X7CrNi18-9 ISO ISO

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 267~285 σb/MPa
Yield Strength 856 σ 0.2 ≥/MPa
Elongation 85 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 589~379 -
HRC 30 -

Physical Properties

Thermal expansion 54-68 e-6/K
Thermal conductivity 36-77 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4281-8589 째C
Density 0520-6520 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)
ISO X7CrNi18 9 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