12X18H9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H9

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ГОСТ 12X18H9

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This page is mainly introduced the 12X18H9 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 12X18H9,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
12X18H9
  • Steel Garde:12X18H9
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Austenitic

Cross Reference Table(Equivalent Materials):

Material Standard Country
12X18H9T ГОСТ Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 889~209 σb/MPa
Yield Strength 828 σ 0.2 ≥/MPa
Elongation 36 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 508~665 -
HRC 30 -

Physical Properties

Thermal expansion 82-22 e-6/K
Thermal conductivity 57-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7926-2117 째C
Density 3324-9305 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)
12X18H9 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