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Standard of products and specifications

A) Aluminium has the following advantages:

  • Lightweight and strength.
  • Corrosion resistance.
  • Easy forming.
  • Electrical conductivity.
  • Thermal conductivity.
  • Non-toxic.
  • Non-magnetic.
  • Non-sparking.
  • Reflectivity.
  • Low temperature properties.
  • Machining.
  • Welding.

Furthermore, through the colour anodizing process, we can get inorganic films on aluminium surface to produce a finish having corrosion resistant and unchanging colour.

B) Specifications and quality standard

1) Chemical composition (Alloy No: 6005; 6061; 6063)

Alloy Silicon Iron Max Copper Max Manganese Max Magnesium Max Chronium Max Zinc Max Titanium Max Others
6005 0.6-0.9 0.35 0.1 0.1 0.4-0.6 0.1 0.1 0.1 Trace
6061 0.4-0.8 0.7 0.15-0.4 0.15 0.8-1.2 0.04-0.35 0.25 0.15 Trace
6063 0.2-0.6 0.35 0.1 0.1 0.45-0.9 0.1 0.1 0.1 Trace

 

2) Mechanical properties (N/mm ²)

Alloy Tensile S.   Proof S.   Elongation  
A6005-T5 260 min 240 min 8% min
A6061S-T5 240 min 205 min 8% min
A6063S-T5 150 min 110 min 8% min

 

Dimensions and tolerances:

a) Tolerances on sectional dimensions. f) Allowance for twist.
b) Tolerances on length. g) Tolerances on contour
c) Tolerances on angularity. h) Tolerances on corner radius
d) Allowance for camber. i) Tolerances on thickness 
e) Tolerances on flatness.  

 

 : Drawing No; W: Weight; T: Thickness (Tolerances to follow Japanese Industrial Standard JIS H4100 and Industrial Standard ASTM B221M of American).
These specifications are in conformity with International Standards like Japanese Industrial Standard JIS H4100,ASTM B221M, BS1474, etc...
Products our are assured to conform to the quality Managenal System Standard ISO 9001:2008