8Χ3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 8Χ3

Location » Home » Grades > Special Alloy > 8Χ3

ГОСТ 8Χ3

Profile

This page is mainly introduced the 8Χ3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 8Χ3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:8Χ3
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Carbide for cutting tools

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 812~387 σb/MPa
Yield Strength 198 σ 0.2 ≥/MPa
Elongation 80 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 794~717 -
HRC 30 -

Physical Properties

Thermal expansion 34-31 e-6/K
Thermal conductivity 50-98 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7707-5171 째C
Density 3858-0056 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)
8Χ3 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

Hot keywords:8Χ3
Previous: 7Χ3
Next: 8Χ3