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 646~962 σb/MPa
Yield Strength 374 σ 0.2 ≥/MPa
Elongation 13 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 763~129 -
HRC 30 -

Physical Properties

Thermal expansion 69-11 e-6/K
Thermal conductivity 11-59 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1959-7913 째C
Density 8813-1405 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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