T72305 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T72305

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AISI T72305

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This page is mainly introduced the T72305 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T72305,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T72305

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.05  1.15
Si 0.10  0.40
Mn 0.10  0.40
P   0.030
S   0.030
Cr 0.40  0.60
V   0.10
Ni   0.20
Cu   0.20
W   0.15
Mo   0.10

Mechanical Properties

Tensile strength 193~913 σb/MPa
Yield Strength 667 σ 0.2 ≥/MPa
Elongation 98 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 119~961 -
HRC 30 -

Physical Properties

Thermal expansion 76-05 e-6/K
Thermal conductivity 78-32 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7209-7217 째C
Density 1797-3451 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)
T72305 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

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