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

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ISO ISO 8

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

Cross Reference Table(Equivalent Materials):

Material Standard Country
ISO 8A ISO International
ISO 8B ISO International

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Si   1.00
Mn   1.00
P   0.040
S   0.030
Cr 16.00  18.00
Ni  
Mo  
N  

Mechanical Properties

Tensile strength 296~791 σb/MPa
Yield Strength 081 σ 0.2 ≥/MPa
Elongation 79 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 931~376 -
HRC 30 -

Physical Properties

Thermal expansion 63-88 e-6/K
Thermal conductivity 24-70 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4480-1524 째C
Density 7965-9087 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 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