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Alloy AA 6063

Commonly known as an architectural alloy, Alloy AA 6063 provides a good balance of extrudability and mechanical properties. Its excellent extrudability allows thin-walled hollow shapes, intricate solids, and other shapes that are usually difficult to extrude with a satisfactory finish, to be produced more easily. It responds well to polishing, chemical brightening, anodising and dyeing. It also has a high degree of resistance to corrosion.

CHARACTERISTICS

WELDINGAlloy 6063 is readily welded by the mig and tig processes. Alloy 5356 is the recommended filler alloy, particularly when welding exposed surfaces that will be anodised for decorative purposes. Alloy 4043 may be used in other cases.
RIVERTSAlloy 6053-T61
MACHININGReadily machined in all tempers given
FORMINGAll tempers may be formed, the softer tempers accepting more severe forming
CORROSIONExcellent resistance to the atmosphere. Particularly suitable for anodising for architectural applications

TEMPER AVAILABLE

EXTRUSIONST4, T5, T6

CHEMICAL COMPOSITION

SILICON
(Si)
IRON
(Fe)
COPPER
(Cu)
MAGANESE
(Mn)
MAGNESIUM
(Mg)
CHROMIUM
(Cr)
ZINC
(Zn)
TITANIUM
(Ti)
OTHERS
(Each)
OTHERS
(Total)
ALUMINIUM
(Al)
0.20-0.600.00-0.350.00-0.100.00-0.100.45-0.950.00-0.100.00-0.100.00-0.100.00-0.050.00-0.15REMAINDER

MECHANICAL PROPERTIES

TEMPERTHICKNESS
(mm)
ULTRA STRENGTH
Min.
0.2% STRESSHARDNESS BRINELL
(HB)
HARDNESS BRINELL
(HB)
Min. (Mpa)Max. (Mpa)
T4UP TO 12.5011560-1240
12.50-25.0011055-12-
T5UP TO 12.50150110-860
12.50-25.00145105-8-
T6UP TO 12.50205170-880
12.50-5.00205170-10-

PHYSICAL PROPERTIES

DENSITYMELTING POINTOEFFICIENT OF LINEAR EXPANSION BETWEEN 20 - 100°CSPECIFIC HEAT BETWEEN 20-100°C
2.71 g/cm36.15-655 °C23 x 10 -6 / K879 J/kg.K
MODULUS OF ELASTICITYTHERMAL CONDUCTIVITY AT 25°CELECTICAL RESISTIVITY AT 20°C
69 x 103 MPa2.02 W/cm.K0.033μΩmm

GRADE APPLICATION

  • Architectural
  • Building Products
  • Electrical
  • Marine Applications
  • Piping
  • Recreation Equipment
  • Storage Tanks
  • Trucks Frames & Trailers