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China T9 Carbon tool steel and T9 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T9

Chemical composition(mass fraction)(wt.%) of the T9

C(%) Si(%) Mn(%) P(%) S(%)
0.85~0.94 ≤0.35 ≤0.40 ≤0.035 ≤0.030

Mechanical Properties of steel grade T9

Rp0.2 (MPa)
Rm (MPa)
KV/Ku (J)
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
495 (≥) 152 (≥) 44 12 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 231

Physical Properties of steel grade T9

Modulus of elasticity
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
Specific thermal capacity
Specific electrical resistivity
(Ω mm²/m)
Poisson’s coefficient, ν
23 - -     0.44 -  
217 499 - 21.3 223   -  
632 - 44 13.2   324 421

Heat Treatment of steel grade T9

Heat treated : 1917°C - 1243°C

Technological Curves of steel grade T9

Cross Reference Table (Equivalent Grade) of T9

Grade Standard Country Application
T9 China Carbon tool steel

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