ASTM CK20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM CK20

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AISI ASTM CK20

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This page is mainly introduced the ASTM CK20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM CK20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM CK20
  • Steel Garde:ASTM CK20
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 431~362 σb/MPa
Yield Strength 359 σ 0.2 ≥/MPa
Elongation 99 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 984~228 -
HRC 30 -

Physical Properties

Thermal expansion 80-64 e-6/K
Thermal conductivity 71-29 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6970-6639 째C
Density 4016-8600 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)
ASTM CK20 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