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Alloy AA 6061

The most versatile of the heat-treatable aluminium alloys, Alloy AA 6061 preserves most of the good qualities of aluminium. It is a medium strength structural alloy. This grade has a great range of mechanical properties and corrosion resistance. It can be fabricated with most of the commonly used techniques and has good workability in the annealed conditions. It can be welded by all methods and furnace brazed. Because of this, it’s widely used in a wide range of products and applications where appearance and better corrosion resistance with good strength are required

CHARACTERISTICS

WELDINGAlloy 6061 is readily welded by the MIG and TIG processes. Recommended filler alloy is 5356. Alloy 4043 may also be used for general welding except when welding 6061 to aluminium-magnesium alloys.
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, fresh waters and many soils. Fair resistance to seawater. Good general corrosion resistance in structural application.

TEMPER AVAILABLE

EXTRUSIONST6
SHEETS & PLATESH32

CHEMICAL COMPOSITION

SILICON
(Si)
IRON
(Fe)
COPPER
(Cu)
MAGANESE
(Mn)
MAGNESIUM
(Mg)
CHROMIUM
(Cr)
ZINC
(Zn)
TITANIUM
(Ti)
OTHERS
(Each)
OTHERS
(Total)
ALUMINIUM
(Al)
0.40-0.800.00-0.700.15-0.400.00-0.150.80-1.200.04-0.350.00-0.250.05-0.150.00-0.050.00-0.15REMAINDER

MECHANICAL PROPERTIES

TEMPERTHICKNESS
(mm)
ULTRA STRENGTH
Min.
0.2% STRESSHARDNESS BRINELL
(HB)
HARDNESS BRINELL
(HB)
Min. (Mpa)Max. (Mpa)
T4ALL180110-1675
T6UP TO 6.3260240-8105
OVER 6.3260240-10-

PHYSICAL PROPERTIES

DENSITYMELTING POINTOEFFICIENT OF LINEAR EXPANSION BETWEEN 20 - 100°CSPECIFIC HEAT BETWEEN 20-100°C
2.71 g/cm3580-650 °C24 x 10 -6 / K920 J/kg.K
MODULUS OF RIGIDITYMODULUS OF ELASTICITYTHERMAL CONDUCTIVITY AT 25°CELECTICAL RESISTIVITY AT 20°C
69000 N/mm226000 N/mm21.67 W/cm.K0.040μΩmm

GRADE APPLICATION

  • Aircraft (Structure/Tube)
  • Architectural
  • Building Products
  • Boat Building
  • Chemical Equipment
  • Electrical
  • Fasteners & Fittings
  • General Fabrication
  • Marine Applications
  • Piping
  • Recreation Equipment
  • Sheet Metal Work
  • Storage Tanks
  • Structural Applications
  • Trucks Frames & Trailers