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 276~935 σb/MPa
Yield Strength 321 σ 0.2 ≥/MPa
Elongation 35 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 360~900 -
HRC 30 -

Physical Properties

Thermal expansion 54-09 e-6/K
Thermal conductivity 75-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5864-1248 째C
Density 2725-9829 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

Technical specification/standard for download