ТТ8К6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ТТ8К6

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ГОСТ ТТ8К6

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This page is mainly introduced the ТТ8К6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ТТ8К6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
  • Steel Garde:ТТ8К6
  • Type:Special Alloy
  • Country:Russia
  • Standard:ГОСТ
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
ТТ8К6 ГОСТ Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 294~198 σb/MPa
Yield Strength 151 σ 0.2 ≥/MPa
Elongation 33 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 352~848 -
HRC 30 -

Physical Properties

Thermal expansion 86-36 e-6/K
Thermal conductivity 25-60 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3986-7577 째C
Density 5672-5694 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)
ТТ8К6 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