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 438~804 σb/MPa
Yield Strength 847 σ 0.2 ≥/MPa
Elongation 11 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 078~355 -
HRC 30 -

Physical Properties

Thermal expansion 49-25 e-6/K
Thermal conductivity 65-11 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3878-3116 째C
Density 3077-3350 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