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SK2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK2

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JIS SK2

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This page is mainly introduced the SK2 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK2,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK2

Steel Garde:SK2
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbon tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SK2M	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	970～603	σb/MPa
Yield Strength	438	σ 0.2 ≥/MPa
Elongation	88	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	455～314	-
HRC	30	-

Physical Properties

Thermal expansion	82-81	e-6/K
Thermal conductivity	57-16	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1952-0691	째C
Density	1033-7026	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)
SK2 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