T3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T3

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SAE T3

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This page is mainly introduced the T3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
High-Speed Tool Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.08  1.13
Si 0.20  0.40
Mn 0.10  0.40
Cr 4.00  4.25
Mo 0.70  0.90
V 2.90  3.30
W 18.00  18.50

Mechanical Properties

Tensile strength 908~818 σb/MPa
Yield Strength 557 σ 0.2 ≥/MPa
Elongation 20 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 437~471 -
HRC 30 -

Physical Properties

Thermal expansion 72-34 e-6/K
Thermal conductivity 77-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3844-2239 째C
Density 0058-5657 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)
T3 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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