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SK80 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK80

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JIS SK80

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This page is mainly introduced the SK80 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK80,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK80

Steel Garde:SK80
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbon tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	241～736	σb/MPa
Yield Strength	739	σ 0.2 ≥/MPa
Elongation	23	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	167～314	-
HRC	30	-

Physical Properties

Thermal expansion	91-39	e-6/K
Thermal conductivity	38-95	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9399-8330	째C
Density	1814-8977	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)
SK80 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