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SK3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK3

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JIS SK3

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This page is mainly introduced the SK3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK3

Steel Garde:SK3
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbon tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SK3M	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	412～678	σb/MPa
Yield Strength	333	σ 0.2 ≥/MPa
Elongation	88	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	680～318	-
HRC	30	-

Physical Properties

Thermal expansion	89-45	e-6/K
Thermal conductivity	01-03	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2478-7953	째C
Density	7908-9321	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)
SK3 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