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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	455～726	σb/MPa
Yield Strength	400	σ 0.2 ≥/MPa
Elongation	31	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	609～982	-
HRC	30	-

Physical Properties

Thermal expansion	73-41	e-6/K
Thermal conductivity	26-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8890-8976	째C
Density	6950-0909	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