Standards
& Specifications
EXTRUSIONSections are extruded from imported
billets of aluminium Alloy 6063 which is recommended internationally for
Architectural purposes. This conforms to ASTM - B221 and 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 |
|
|
|
|
