ISO H12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H12

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ISO ISO H12

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This page is mainly introduced the ISO H12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ISO H12,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 H12
  • Type:Special Alloy
  • Country:ISO
  • Standard:ISO
  • Application:ISO standard Austenite size heat resistant steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 270~342 σb/MPa
Yield Strength 783 σ 0.2 ≥/MPa
Elongation 29 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 727~522 -
HRC 30 -

Physical Properties

Thermal expansion 44-61 e-6/K
Thermal conductivity 13-35 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9057-1779 째C
Density 1766-4722 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
ISO H12 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