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

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ASTM 20Cr

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

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 929~122 σb/MPa
Yield Strength 083 σ 0.2 ≥/MPa
Elongation 37 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 242~211 -
HRC 30 -

Physical Properties

Thermal expansion 93-53 e-6/K
Thermal conductivity 23-64 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9470-9055 째C
Density 8430-8041 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)
20Cr 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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