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.
ISO standard thermal deformation of stainless steel
  • Steel Garde:ISO 9a
  • Type:Special Alloy
  • Country:ISO
  • Standard:ISO
  • Application:ISO standard thermal deformation of stainless steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 773~875 σb/MPa
Yield Strength 855 σ 0.2 ≥/MPa
Elongation 28 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 214~714 -
HRC 30 -

Physical Properties

Thermal expansion 97-15 e-6/K
Thermal conductivity 97-46 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1808-8563 째C
Density 4045-4649 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 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