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America UNS T12002 High-Speed Tool Steel and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T12002 / T12002
Category Grade Standard Region/Area Standard Content
Metals T12002 -- America High-Speed Tool Steel

Chemical composition(mass fraction)(wt.%) of the T12002

Element Min Max Similar
W 17.5000 19.0000 -
V 1.8000 2.4000 -
Si 0.2000 0.4000 -
S - 0.0300 -
P - 0.0300 -
Mo - 1.0000 -
Mn 0.2000 0.4000 -
Cr 3.7500 4.5000 -
C 0.8000 0.9000 -

Mechanical Properties of steel grade T12002

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)
527 (≥) 532 (≥) 42 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 434

Physical Properties of steel grade T12002

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
14 - -     0.31 -  
942 413 - 44.3 312   -  
418 - 21 22.2   212 433

Heat Treatment of steel grade T12002

Heat treated : 1482°C - 1668°C

Technological Curves of steel grade T12002

Cross Reference Table (Equivalent Grade) of T12002

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