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 214~140 σb/MPa
Yield Strength 248 σ 0.2 ≥/MPa
Elongation 77 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 415~266 -
HRC 30 -

Physical Properties

Thermal expansion 83-31 e-6/K
Thermal conductivity 70-84 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1515-8012 째C
Density 9137-5027 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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