ASTM CH8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM CH8

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AISI ASTM CH8

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This page is mainly introduced the ASTM CH8 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM CH8,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM CH8
  • Steel Garde:ASTM CH8
  • Type:Special Alloy
  • Country:USA
  • Standard:AISI
  • Application:

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 421~174 σb/MPa
Yield Strength 176 σ 0.2 ≥/MPa
Elongation 25 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 007~132 -
HRC 30 -

Physical Properties

Thermal expansion 20-13 e-6/K
Thermal conductivity 70-23 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8360-1963 째C
Density 7048-0982 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 CH8 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