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Chemical Composition and Mechanical Properties of ALLOY 6063 & 6061in TEMPER T5 & T6
 
Chemical Composition ALLOY 6063 ALLOY 6061
 
 Mg 0.45 -  0.90 % 0.80 – 1.20 %
 Si 0.20 – 0.60 % 0.40  - 0.80 %
 Cr 0.10            % 0.04 -  0.35 %
 Zn 1.10            % 0.25            %
 Fe 0.35            % 0.70            %
 Cu 0.10            % 0.15 – 0.40 %
 Mn 0.10            % 0.15            %
 Ti 0.10            % 0.15            %
 Other Impurities 0.05           % 0.05            %
 Aluminium REMAINDER REMAINDER
 

 

Mechanical Properties

ALLOY 6063

ALLOY 6061
 
  T5 T6 T5 T6
Ult. Tensile Strength  N/mm2 150 185 190 280
0.2 % Proof Stress  N/mm2 110 160 115 240
Hardness (Brinell)  BHN 55 75 60 90
Ult. Shear Strength  N/mm2 115 205
Elongation on  50 mm  % 8 8
Density  g/cm3 2.7 2.7
Melting Range  Deg.C 660-650 580-650
Coefficient of Linear Expansion  X10-6/Deg.C 23 24
Modolus of Elasticity  N/mm2 67000 69000
Fatigue Strength (50x10 6cycles)  N/mm2 75 95
 

 
                        British Standards & Specifications
 
 Extrusion Dimensions Tolerances  BS : 1474
 Anodising Finish  BS EN 12373 –1 2001

 Clause 7 ( BS : 6161 Part 6)

 BS : 3987 Clauses  2, 3, 5, 6

 Appendix – A, B, C, D, E, F, G, H, J, K, L
   
 Powder Coating  BS : 6496 Clause 10.4, 10.5, 10.6, 10.7 & 10.8

 IOS      2360 / 2813 / 2409 / 2931

   
 GUARANTEE PERIOD  Anodised Finish                        : 15 years

 Powder Coated Finish             : 10 years
   



   
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