X9CrNi18-8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X9CrNi18-8

ISO X9CrNi18-8

Profile

This page is mainly introduced the X9CrNi18-8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of X9CrNi18-8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steels for springs - Part 1: Wire

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.12
Si   1.50
Mn   2.00
P   0.045
S   0.030
Cr 16.00  19.00
Mo  
Ni 6.50  9.50

Mechanical Properties

Tensile strength 634~476 σb/MPa
Yield Strength 792 σ 0.2 ≥/MPa
Elongation 69 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 751~022 -
HRC 30 -

Physical Properties

Thermal expansion 45-40 e-6/K
Thermal conductivity 90-77 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0898-1537 째C
Density 9734-2833 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)
X9CrNi18-8 Stainless Steels 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

Hot keywords:X9CrNi18-8
Previous: X2CrNiMoN17-13
Next: X12CrNi17-7