T12002 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T12002

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UNS T12002

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This page is mainly introduced the T12002 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T12002,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 0.80  0.90
Si 0.20  0.40
Mn 0.20  0.40
P   0.030
S   0.030
Cr 3.75  4.50
Mo   1.00
V 1.80  2.40
W 17.50  19.00
Co  

Mechanical Properties

Tensile strength 101~825 σb/MPa
Yield Strength 211 σ 0.2 ≥/MPa
Elongation 63 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 761~381 -
HRC 30 -

Physical Properties

Thermal expansion 91-76 e-6/K
Thermal conductivity 66-09 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9322-6559 째C
Density 8177-9882 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)
T12002 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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