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

Location » Home » Grades > Special Alloy > ASTM CK20

AISI ASTM CK20

Profile

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 997~452 σb/MPa
Yield Strength 465 σ 0.2 ≥/MPa
Elongation 38 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 254~070 -
HRC 30 -

Physical Properties

Thermal expansion 56-98 e-6/K
Thermal conductivity 75-69 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1676-6995 째C
Density 8045-0902 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