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SKD12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD12

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JIS SKD12

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This page is mainly introduced the SKD12 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SKD12,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
SKD12

Steel Garde:SKD12
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Cold Work Die Steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	558～536	σb/MPa
Yield Strength	727	σ 0.2 ≥/MPa
Elongation	36	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	409～479	-
HRC	30	-

Physical Properties

Thermal expansion	60-03	e-6/K
Thermal conductivity	17-68	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5917-7434	째C
Density	1347-1229	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)
SKD12 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