T12005 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T12005

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UNS T12005

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This page is mainly introduced the T12005 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T12005,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 0.75  0.85
Si 0.20  0.40
Mn 0.20  0.40
P   0.030
S   0.030
Cr 3.75  5.00
Mo 0.50  1.25
V 1.80  2.40
W 17.50  19.00
Co 7.00  9.50

Mechanical Properties

Tensile strength 534~358 σb/MPa
Yield Strength 897 σ 0.2 ≥/MPa
Elongation 63 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 180~117 -
HRC 30 -

Physical Properties

Thermal expansion 47-52 e-6/K
Thermal conductivity 43-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2153-0340 째C
Density 4975-7822 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)
T12005 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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