55X20Γ9AH4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55X20Γ9AH4

ГОСТ 55X20Γ9AH4

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This page is mainly introduced the 55X20Γ9AH4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 55X20Γ9AH4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
55X20Γ9AH4
  • Steel Garde:55X20Γ9AH4
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Austenitic

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 609~414 σb/MPa
Yield Strength 756 σ 0.2 ≥/MPa
Elongation 17 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 766~736 -
HRC 30 -

Physical Properties

Thermal expansion 81-54 e-6/K
Thermal conductivity 34-77 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6520-7719 째C
Density 4136-3567 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)
55X20Γ9AH4 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