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Description

USA UNS T12005 Tungsten series High-Speed Tool Steel and T12005 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T12005
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy T12005 UNS USA Tungsten series High-Speed Tool Steel
T61203
T61206
L6
T1
T12001
T12002
T2
T4
T12004
T5

Chemical composition(mass fraction)(wt.%) of the T12005

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%) Co(%)
0.75~0.85 0.20~0.40 0.20~0.40 ≤0.030 ≤0.030 3.75~5.00 0.50~1.25 1.80~2.40 17.5~19.0 7.00~9.50

Mechanical Properties of steel grade T12005

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
666 (≥) 356 (≥) 11 21 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade T12005

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
13 - -     0.43 -  
639 338 - 34.3 234   -  
814 - 31 23.2   113 234

Heat Treatment of steel grade T12005

Heat treated : 1567°C - 1838°C

Technological Curves of steel grade T12005

Cross Reference Table (Equivalent Grade) of T12005

Grade Standard Country Application
T12005 UNS USA Tungsten series High-Speed Tool Steel

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