Aluminum Billets

Aluminium is a chemical element in the boron group with symbol Al and atomic number 13. It is a silvery white, soft, ductile metal. Aluminium is the third most abundant element, and the most abundant metal in the Earth's crust. It makes up about 8% by weight of the Earth's solid surface. Aluminium metal is so chemically reactive that native specimens are rare and limited to extreme reducing environments. Instead, it is found combined in over 270 different minerals. The chief ore of aluminium is bauxite.

Aluminium is remarkable for the metal's low density and for its ability to resist corrosion due to the phenomenon of passivation. Structural components made from aluminium and its alloys are vital to the aerospace industry and are important in other areas oftransportation and structural materials. The most useful compounds of aluminium, at least on a weight basis, are the oxides andsulfates.

A billet is a length of metal that has a round or square cross-section, with an area less than 230 cm2. Billets are created directly via continuous casting or extrusion or indirectly via hot rolling an ingot. Billets are further processed via profile rolling and drawing. Final products include bar stock and wire.

Centrifugal casting is also used to produce short circular tubes as billets, usually to achieve a precise metallurgical structure. They are commonly used as cylinder sleeves where the inner and outer diameters are ground and machined to length. Because their size is not modified significantly, they are not always classified as semi-finished casting products.

 

Place of origin:China

Packing: break bulk,container

Specifications:

Item

Specification

Result

Si%

0.6

0.2

Mg %

0.9

0.45

Ti %

0.1

0.05

Cu%

0.1

0.1

Zn%

0.1

0.05

Cr%

0.1

0.1

Mn%

0.1

0.1

Fe%

0.35

0.3

Impurity%

0.05

0.05

Al%

Surplus

 

Hardness of the 6063 billet is GB/T3190.

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