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Т30К4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Т30К4

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ГОСТ Т30К4

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This page is mainly introduced the Т30К4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Т30К4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:Т30К4
Type:Special Alloy
Country:Russia
Standard:ГОСТ
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
Т30К4	ГОСТ	Russia

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	262～328	σb/MPa
Yield Strength	104	σ 0.2 ≥/MPa
Elongation	70	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	986～365	-
HRC	30	-

Physical Properties

Thermal expansion	43-23	e-6/K
Thermal conductivity	51-45	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8539-6655	째C
Density	1389-8124	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)
Т30К4 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