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.


Cross Reference Table(Equivalent Materials):

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

Chemical composition(mass fraction)(wt.%)

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

Mechanical Properties

Tensile strength 690~651 σb/MPa
Yield Strength 135 σ 0.2 ≥/MPa
Elongation 86 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 305~001 -
HRC 30 -

Physical Properties

Thermal expansion 98-89 e-6/K
Thermal conductivity 91-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1984-5685 째C
Density 5516-9787 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 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