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France AFNOR NF A4 Aluminium and aluminium alloys. Extruded and drawn products for general use. Characteristics. and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A4 / A4
Category Grade Standard Region/Area Standard Content
Metals A4 NF A50-411 France Aluminium and aluminium alloys. Extruded and drawn products for general use. Characteristics.

Chemical composition(mass fraction)(wt.%) of the A4

Element Min Max Similar

Mechanical Properties of steel grade A4

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)
384 (≥) 847 (≥) 21 23 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade A4

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
33 - -     0.11 -  
378 659 - 42.3 411   -  
799 - 43 32.2   343 121

Heat Treatment of steel grade A4

Heat treated : 1377°C - 1336°C

Technological Curves of steel grade A4

Cross Reference Table (Equivalent Grade) of A4

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