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SKD7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD7

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JIS SKD7

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This page is mainly introduced the SKD7 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD7,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKD7

Steel Garde:SKD7
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Hot-work die steel

Relevant products:

1.2365(H10, X32Cr...

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	560～953	σb/MPa
Yield Strength	135	σ 0.2 ≥/MPa
Elongation	26	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	354～115	-
HRC	30	-

Physical Properties

Thermal expansion	31-38	e-6/K
Thermal conductivity	93-37	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	0839-1832	째C
Density	1526-5570	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)
SKD7 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