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America AA 249.0 Aluminum Alloys in the Form og Castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 249.0 / 249.0
Category Grade Standard Region/Area Standard Content
Metals 249.0 -- America Aluminum Alloys in the Form og Castings

Chemical composition(mass fraction)(wt.%) of the 249.0

Element Min Max Similar
Mn 0.2500 0.5000 -
Si - 0.0500 -
Cu 3.8000 4.6000 -
Ti 0.0200 0.3500 -
Al - - -
Zn 2.5000 3.5000 -
Mg 0.2500 0.5000 -
Fe - 0.1000 -
Others total - 0.0300 -
Total Others - 0.1000 -

Mechanical Properties of steel grade 249.0

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)
112 (≥) 787 (≥) 11 44 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade 249.0

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
44 - -     0.42 -  
196 419 - 23.3 443   -  
561 - 32 12.2   132 344

Heat Treatment of steel grade 249.0

Heat treated : 1143°C - 1275°C

Technological Curves of steel grade 249.0

Cross Reference Table (Equivalent Grade) of 249.0

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