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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	945～357	σb/MPa
Yield Strength	644	σ 0.2 ≥/MPa
Elongation	47	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	559～701	-
HRC	30	-

Physical Properties

Thermal expansion	62-08	e-6/K
Thermal conductivity	56-06	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2913-4141	째C
Density	0171-2098	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