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 294~484 σb/MPa
Yield Strength 384 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 404~572 -
HRC 30 -

Physical Properties

Thermal expansion 15-73 e-6/K
Thermal conductivity 77-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0035-9730 째C
Density 7908-9610 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