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India IS 90T3 Tool and Die Steels - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 90T3 / 90T3
Category Grade Standard Region/Area Standard Content
Metals 90T3 IS 3748 India Tool and Die Steels - Specification

Chemical composition(mass fraction)(wt.%) of the 90T3

Element Min Max Similar
Si 0.1000 0.3000 -
S - 0.0350 -
P - 0.0350 -
Mn - 0.4000 -
C 0.8500 0.9500 -

Mechanical Properties of steel grade 90T3

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)
791 (≥) 876 (≥) 24 34 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 142

Physical Properties of steel grade 90T3

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
42 - -     0.43 -  
233 928 - 41.3 144   -  
416 - 14 33.2   431 344

Heat Treatment of steel grade 90T3

Heat treated : 1476°C - 1265°C

Technological Curves of steel grade 90T3

Cross Reference Table (Equivalent Grade) of 90T3

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