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Alum-Ex: Standards & Specifications

EXTRUSION
Sections are extruded from imported billets of aluminium Alloy 6063 which is recommended internationally for Architectural purposes. This conforms to ASTM - B221and BS - 1474.
Thickness of sections is 1.4 to 2 mm.

ANODIZING
Aluminium sections are anodized as follows :
a) Standard Product:
In accordance with American Architectural Manufacturers Association Class I (18-22 micron coating).
b) In accordance with BS 3987 (22-28 micron coating).

PROPERTIES OF ALLOY 6063.

CHEMICAL COMPOSITION		MECHANICAL PROPERTIES
	Min. - - - Max.
Silicon	0.2 0.6%	Ultimate Tensile Strength	205 N / mm2
Iron	0.35%	Tensile Yield Strength	165 N / mm2
Copper	0.15%	Elongation in 50 mm	12%
Manganese	0.15%	Hardness ( BHN )	65
Magnesium	0.45 0.9%	Shear Strength	125 N / mm2
Chromium	0.10%	Fatigue Limit	70 N / mm2
Zinc	0.10%
Titanium	0.10%
Other Elmnt.	(Each ) 0.15%
	Total 0.15%
Aluminium	REMAINDER

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