A723 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A723

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AISI A723

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This page is mainly introduced the A723 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A723,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Professional 1.6655(32NiCrMo12-5,AISI A723,30NiCrMo12,30NCD12) Forged Forging Steel Rings Seamless Rolled Rings.


  • Steel Garde:A723
  • Type:Tool Steels & Die Steels
  • Country:USA
  • Standard:AISI
  • Application:Heat treatable low alloyed NiCrMo steel

Cross Reference Table(Equivalent Materials):

Material Standard Country
1.6655 DIN Germany
32NiCrMo12-5 DIN Germany

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C   0.32
Si   0.28
Mn   0.38
Cr   1.35
Mo   0.35
Ni   2.90

Mechanical Properties

Tensile strength 075~649 σb/MPa
Yield Strength 980 σ 0.2 ≥/MPa
Elongation 50 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 961~412 -
HRC 30 -

Physical Properties

Thermal expansion 51-88 e-6/K
Thermal conductivity 80-34 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5586-9073 째C
Density 8794-0478 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)
A723 Tool Steels & Die Steels 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

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