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AC720 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AC720

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JIS AC720

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This page is mainly introduced the AC720 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AC720,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AC720
Coating|Type:TiC
Coating thickness/μm:5

Steel Garde:AC720
Type:Special Alloy
Country:Japan
Standard:JIS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
AC720	JIS	Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	786～218	σb/MPa
Yield Strength	752	σ 0.2 ≥/MPa
Elongation	37	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	324～163	-
HRC	30	-

Physical Properties

Thermal expansion	76-95	e-6/K
Thermal conductivity	56-62	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5955-4078	째C
Density	2898-3913	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)
AC720 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