20X17H2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20X17H2

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ГОСТ 20X17H2

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This page is mainly introduced the 20X17H2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 20X17H2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
20X17H2
  • Steel Garde:20X17H2
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Martensite Heat-Resistant Steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 924~432 σb/MPa
Yield Strength 630 σ 0.2 ≥/MPa
Elongation 95 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 735~039 -
HRC 30 -

Physical Properties

Thermal expansion 56-43 e-6/K
Thermal conductivity 44-69 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2052-5945 째C
Density 8245-9579 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)
20X17H2 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

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