Т30К4

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#Т30К4

Description

Russia ГОСТ Т30К4 Carbide for cutting tools and Т30К4 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: Т30К4

Category	Type	Steel Grade	Standard	Country	Application
Steel Grades	Tool Steel And Hard Alloy	Т30К4	ГОСТ	Russia	Carbide for cutting tools
		ВК20
		ВК20
		ВК20
		ВК20-КС
		ВК20-КС
		КВ20-К
		КВ20-К
		ВК25
		ВК25
		Т30К4

Chemical composition(mass fraction)(wt.%) of the Т30К4

Co(%)
4

Mechanical Properties of steel grade Т30К4

Yield R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
587 (≥)	121 (≥)	13	32	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	442

Physical Properties of steel grade Т30К4

Temperature (°C)	Modulus of elasticity (GPa)	Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and	Thermal conductivity (W/m·°C)	Specific thermal capacity (J/kg·°C)	Specific electrical resistivity (Ω mm²/m)	Density (kg/dm³)	Poisson’s coefficient, ν
42	-	-			0.42	-
687	934	-	24.3	234		-
795	-	21	24.2			221	242

Heat Treatment of steel grade Т30К4

Heat treated : 1417°C - 1437°C

Technological Curves of steel grade Т30К4

No Curve

Cross Reference Table (Equivalent Grade) of Т30К4

Grade	Standard	Country	Application
Т30К4	ГОСТ	Russia	Carbide for cutting tools
Т30К4	ГОСТ	Russia	Carbide for cutting tools

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