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Brazil NBR 302.0 Primary aluminium and casting - Chemical composition and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 302.0 / 302.0
Category Grade Standard Region/Area Standard Content
Metals 302.0 ABNT NBR 15975 Brazil Primary aluminium and casting - Chemical composition

Chemical composition(mass fraction)(wt.%) of the 302.0

Element Min Max Similar
Si 9.5000 10.5000 -
Ni 1.0000 1.5000 -
Cu 2.8000 3.2000 -
Ti - 0.2000 -
Al - - -
Zn - 0.0500 -
Mg 0.7000 1.2000 -
Fe - 0.2500 -
Others each - 0.0300 -
Others Total - 0.1000 -

Mechanical Properties of steel grade 302.0

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)
464 (≥) 275 (≥) 42 11 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade 302.0

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
31 - -     0.11 -  
736 158 - 34.3 141   -  
875 - 31 13.2   334 122

Heat Treatment of steel grade 302.0

Heat treated : 1178°C - 1421°C

Technological Curves of steel grade 302.0

Cross Reference Table (Equivalent Grade) of 302.0

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