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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	103～802	σb/MPa
Yield Strength	108	σ 0.2 ≥/MPa
Elongation	01	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	676～875	-
HRC	30	-

Physical Properties

Thermal expansion	21-73	e-6/K
Thermal conductivity	93-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5212-9866	째C
Density	5403-7129	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