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

Location » Home » Grades > Tool Die Steels > T12002

UNS T12002

Profile

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 294~221 σb/MPa
Yield Strength 323 σ 0.2 ≥/MPa
Elongation 46 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 042~512 -
HRC 30 -

Physical Properties

Thermal expansion 65-42 e-6/K
Thermal conductivity 84-56 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1459-1748 째C
Density 1569-7266 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

Hot keywords:T12002
Previous: T1
Next: T2