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

Mechanical Properties

Tensile strength	278～266	σb/MPa
Yield Strength	342	σ 0.2 ≥/MPa
Elongation	12	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	091～761	-
HRC	30	-

Physical Properties

Thermal expansion	02-25	e-6/K
Thermal conductivity	12-61	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6716-5429	째C
Density	4295-1281	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