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SKD61 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD61

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JIS SKD61

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This page is mainly introduced the SKD61 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD61,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKD61

Steel Garde:SKD61
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Hot-work die steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	338～481	σb/MPa
Yield Strength	685	σ 0.2 ≥/MPa
Elongation	48	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	670～384	-
HRC	30	-

Physical Properties

Thermal expansion	42-47	e-6/K
Thermal conductivity	74-54	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2383-0166	째C
Density	3346-1861	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)
SKD61 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