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Extrusion

 

Extrusion is the crux of the Aluminium profile process. During this process, aluminium billets are transformed into the desired profile. The combined action of heat and force within the extrusion press, dictate the dynamic flow of aluminium, through the die, producing a specified profile.   Following extrusion, the profiles are stretched, to obtain linear grain structure, then cut to the desired length.   The cut profiles are placed in an ageing oven to get the desired hardness, which is dependant on the cycle time. A final quality inspection is then carried out, to ensure the profiles have met customer requirements. Our plant is equipped with a 1650 ton press, producing a limitless range of profiles inside of a 165mm diameter die. Our range includes building systems, for both internal and external, Industrial, Furnishings, Transport and Mechanical industries. Quality specifications in ALUTEX meet both domestic (LIBNOR) and international (DIN & BS) standards.   In order to meet the highest quality finish, ALUTEX uses only the highest quality billet, from the international market.

 

Alloys :

Alloys and compositions according to international aluminum association as shown in the following table:.

 

ALUTEX ALLOYS

ALLOY

6060

6063

ELEMENT

MIN                 MAX

MIN                 MAX

% Silicon, Si

0.42 – 0.48

0.41-0.46

% Iron, Fe

0.15-0.19

0.15-0.19

% Magnesium, Mg

0.37-0.43

0.48  - 0.52

% Manganese, Mn

0.02-0.04

0.02

% Copper, Cu

0.02

0.02

% Zinc, Zn

0.02

0.02

% Titanium, Ti

0.003-0.02

0.003-0.02

% Chromium, Cr

0.02

0.02

% Others

0.10

0.10

 

 

 

 

 

 

 

 

 

 

 

 

 

 

*% by weight except where a range is shown .

*All values are maximum unless minimum mentioned.

*Regular checks are conducted to confirm the chemical composition of the above

  mentioned alloys.

- Dimensions and Shapes :

Dimensions tolerances are as follows :

I – Standard dimension tolerances according to DIN 1748 : this tolerance is applicable to none architectural and all extruded sections, bars and tubes unless stated under II

II – Special dimensions tolerances according to Din 17615 : This is applicable for high precision architectural sections in 6063 alloy only .

- Size Range:

Solid Flat Dies: Extrusion of up to 180 mm wide.

Hollow Sections: Extrusion of up to 150 mm wide.

- Surface Quality :

 Surface quality checks are made during every stage of production to ensure that the surface is free from roughness and steps.

 

 

 

 

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