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America SAE D3 Tool and die steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: D3 / D3
Category Grade Standard Region/Area Standard Content
Metals D3 SAE J 438 America Tool and die steels

Chemical composition(mass fraction)(wt.%) of the D3

Element Min Max Similar

Mechanical Properties of steel grade D3

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)
727 (≥) 969 (≥) 12 41 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 321

Physical Properties of steel grade D3

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
24 - -     0.24 -  
379 634 - 22.3 131   -  
832 - 31 13.2   144 323

Heat Treatment of steel grade D3

Heat treated : 1634°C - 1391°C

Technological Curves of steel grade D3

Cross Reference Table (Equivalent Grade) of D3

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