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Description

China T8Mn Carbon tool steel and T8Mn Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: T8Mn

Chemical composition(mass fraction)(wt.%) of the T8Mn

C(%) Si(%) Mn(%) P(%) S(%)
0.80~0.90 ≤0.35 0.40~0.60 ≤0.035 ≤0.030

Mechanical Properties of steel grade T8Mn

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)
618 (≥) 349 (≥) 32 41 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade T8Mn

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
32 - -     0.31 -  
673 342 - 11.3 134   -  
674 - 43 33.2   421 422

Heat Treatment of steel grade T8Mn

Heat treated : 1782°C - 1278°C

Technological Curves of steel grade T8Mn

Cross Reference Table (Equivalent Grade) of T8Mn

Grade Standard Country Application
T8Mn China Carbon tool steel

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