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SK1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK1

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JIS SK1

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SK1 Profile
SK1 Chemical composition
SK1 Mechanical Properties
SK1 Physical Properties
SK1 Heat treatment
SK1 Size Availability
SK1 Relevant products

Profile

This page is mainly introduced the SK1 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SK1,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SK1
JIS G4401(2000)

Steel Garde:SK1
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbon tool steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SK140	JIS	Japan
SK120	JIS	Japan
SK105	JIS	Japan
SK4	CNS	China
SK4	CNS	China

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	679～042	σb/MPa
Yield Strength	295	σ 0.2 ≥/MPa
Elongation	13	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	226～643	-
HRC	30	-

Physical Properties

Thermal expansion	68-57	e-6/K
Thermal conductivity	29-16	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3110-0506	째C
Density	3463-3393	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)
SK1 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