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America SAE D7003 Automotive ductile (nodular) iron castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: D7003 / D7003
Category Grade Standard Region/Area Standard Content
Metals D7003 SAE J 434 America Automotive ductile (nodular) iron castings

Chemical composition(mass fraction)(wt.%) of the D7003

Element Min Max Similar
Si 1.8000 3.0000 -
S - 0.0350 -
P - 0.0500 -
Other - - -
Mn 0.1000 1.0000 -
Mg 0.0250 0.0600 -
C 3.2000 4.1000 -

Mechanical Properties of steel grade D7003

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)
349 (≥) 141 (≥) 31 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade D7003

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
14 - -     0.12 -  
313 979 - 32.3 341   -  
287 - 42 22.2   342 433

Heat Treatment of steel grade D7003

Heat treated : 1816°C - 1135°C

Technological Curves of steel grade D7003

Cross Reference Table (Equivalent Grade) of D7003

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