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Brazil NBR 203.2 Primary aluminium and casting - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 203.2 / 203.2
Category Grade Standard Region/Area Standard Content
Metals 203.2 ABNT NBR 15975 Brazil Primary aluminium and casting - Chemical composition

Chemical composition(mass fraction)(wt.%) of the 203.2

Element Min Max Similar
Ti+Zr - 0.5000 -
Mn 0.2000 0.3000 -
Si - 0.2000 -
Ni 1.3000 1.7000 -
Cu 4.8000 5.2000 -
Ti 0.1500 0.2500 -
Zr 0.1000 0.3000 -
Al - - -
Zn - 0.1000 -
Mg - 0.1000 -
Sb 0.2000 0.3000 -
Fe - 0.3500 -
Co 0.2000 0.3000 -
Others each - 0.0500 -
Others Total - 0.2000 -

Mechanical Properties of steel grade 203.2

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)
421 (≥) 418 (≥) 34 12 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade 203.2

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 - -     0.41 -  
973 978 - 22.3 443   -  
961 - 33 44.2   214 214

Heat Treatment of steel grade 203.2

Heat treated : 1391°C - 1699°C

Technological Curves of steel grade 203.2

Cross Reference Table (Equivalent Grade) of 203.2

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