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 422~292 σb/MPa
Yield Strength 253 σ 0.2 ≥/MPa
Elongation 52 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 842~706 -
HRC 30 -

Physical Properties

Thermal expansion 58-08 e-6/K
Thermal conductivity 18-22 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0679-4375 째C
Density 1641-3564 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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