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SKT6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKT6

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JIS SKT6

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This page is mainly introduced the SKT6 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKT6,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKT6

Steel Garde:SKT6
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Hot-work die steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	825～392	σb/MPa
Yield Strength	152	σ 0.2 ≥/MPa
Elongation	18	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	036～059	-
HRC	30	-

Physical Properties

Thermal expansion	78-12	e-6/K
Thermal conductivity	84-05	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9614-3305	째C
Density	6769-7683	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)
SKT6 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