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SKH56 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH56

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JIS SKH56

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This page is mainly introduced the SKH56 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKH56,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKH56

Steel Garde:SKH56
Type:Special Alloy
Country:Japan
Standard:JIS
Application:W-phase system high-speed tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	856～896	σb/MPa
Yield Strength	380	σ 0.2 ≥/MPa
Elongation	25	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	773～796	-
HRC	30	-

Physical Properties

Thermal expansion	48-80	e-6/K
Thermal conductivity	52-89	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1467-7501	째C
Density	0745-0221	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)
SKH56 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