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

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ISO ISO 9A

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This page is mainly introduced the ISO 9A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO 9A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steels - Chemical composition

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.10  0.17
Si   1.00
Mn   1.50
P   0.040
S 0.15 
Cr 16.00  18.00
Ni  
Mo   0.06
N  

Mechanical Properties

Tensile strength 813~966 σb/MPa
Yield Strength 217 σ 0.2 ≥/MPa
Elongation 54 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 953~342 -
HRC 30 -

Physical Properties

Thermal expansion 97-31 e-6/K
Thermal conductivity 93-97 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6505-9677 째C
Density 7290-5173 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 9A 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

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