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 508~281 σb/MPa
Yield Strength 377 σ 0.2 ≥/MPa
Elongation 48 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 083~591 -
HRC 30 -

Physical Properties

Thermal expansion 04-33 e-6/K
Thermal conductivity 84-95 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2986-9964 째C
Density 1089-1036 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