ASTM CH20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM CH20

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AISI ASTM CH20

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This page is mainly introduced the ASTM CH20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM CH20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM CH20
  • Steel Garde:ASTM CH20
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 461~920 σb/MPa
Yield Strength 584 σ 0.2 ≥/MPa
Elongation 41 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 768~221 -
HRC 30 -

Physical Properties

Thermal expansion 31-81 e-6/K
Thermal conductivity 18-31 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8479-4473 째C
Density 4299-9933 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

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Size Availability

Steel Grade Specification Processing range(mm)
ASTM CH20 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