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T55Si7Mo3

India IS T55Si7Mo3 Tool and Die Steels - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: T55Si7Mo3 / T55Si7Mo3
Category Grade Standard Region/Area Standard Content
Metals T55Si7Mo3 IS 3748 India Tool and Die Steels - Specification

Chemical composition(mass fraction)(wt.%) of the T55Si7Mo3

Element Min Max Similar

Mechanical Properties of steel grade T55Si7Mo3

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)
775 (≥) 374 (≥) 14 32 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade T55Si7Mo3

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
12 - -     0.44 -  
416 986 - 31.3 221   -  
371 - 14 42.2   212 332

Heat Treatment of steel grade T55Si7Mo3

Heat treated : 1949°C - 1537°C

Technological Curves of steel grade T55Si7Mo3

Cross Reference Table (Equivalent Grade) of T55Si7Mo3

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