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SKH59 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH59

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KS SKH59

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This page is mainly introduced the SKH59 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH59,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde: SKH59
Type:Special Alloy
Country:Korea
Standard:KS
Application:

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
SKH3	JIS	Japan
SKH3	KS	Sweden
SKH3	KS	Sweden
SKH59	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	825～282	σb/MPa
Yield Strength	822	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	666～238	-
HRC	30	-

Physical Properties

Thermal expansion	86-14	e-6/K
Thermal conductivity	83-98	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	9519-1690	째C
Density	3076-1389	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)
SKH59 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