6063 is commonly referred to as the architectural alloy. It was developed as an extrusion alloy with relatively high tensile properties, excellent finishing characteristics and a high degree of resistance to corrosion. This alloy is most often found in various interior and exterior architectural applications, such as windows, doors, store fronts and assorted trim items. It is the alloy best suited for anodizing applications - either plain or in a variety of colors

6063-T5 6063-T52
Stock Lengths 16' (Sharp Corners)
ASTM B221
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Metal & Alloy Bars

Aluminum Rectangles - Series 6063-T5
Metal & Alloy Bars

Aluminum Rectangles - Series 6063-T5
Metal & Alloy Bars

Aluminum Rectangles - Series 6063-T5
Metal & Alloy Bars

Aluminum Rectangles - Series 6063-T5
Metal & Alloy Bars

Aluminum Rectangles - Series 6063-T5
Material N/A Aluminum
Shapeform N/A Rectangles
Series N/A 6063-T5
Grade N/A 6063
Temper N/A T5
Size N/A 1/8 x 3/8 inches N/A 1/8 x 1/2 inches N/A 1/8 x 5/8 inches N/A 1/8 x 3/4 inches N/A 1/8 x 1 inches
Working Decimal Equivalent N/A 0.125 x 0.375 inches3.175 x 9.525 mm N/A 0.125 x 0.500 inches3.175 x 12.700 mm N/A 0.125 x 0.625 inches3.175 x 15.875 mm N/A 0.125 x 0.750 inches3.175 x 19.050 mm N/A 0.125 x 1.000 inches3.175 x 25.400 mm
Width N/A 1/8 inches
Length N/A 3/8 inches N/A 1/2 inches N/A 5/8 inches N/A 3/4 inches N/A 1 inches
Estimated Weight N/A 0.0546 lbs/ft0.0812537544 kg/m N/A 0.0728 lbs/ft0.1083383392 kg/m N/A 0.0909 lbs/ft0.1352741076 kg/m N/A 0.1091 lbs/ft0.1623586924 kg/m N/A 0.1455 lbs/ft0.216527862 kg/m
Estimated Weight per 12' Bar N/A 0.873 lbs0.3959861652 kg N/A 1.164 lbs0.5279815536 kg N/A 1.455 lbs0.659976942 kg N/A 1.746 lbs0.7919723304 kg N/A 2.328 lbs1.0559631072 kg
ASTM Specification N/A ASTM B221
Stock Length
N/A 16 ft
Ultimate Strength N/A 27 ksi
Yield Strength N/A 21 ksi
Elongation percent in 2 inches N/A 12
Hardness Brinnel Number
N/A 60
Ultimate Shearing Strength N/A 17 ksi
Fatigue Endurance Limit1 N/A 10 ksi
Modulus of Elasticity2 N/A 10.0 x 104 ksi
Resistance to Corrosion - General3 N/A A
Stress Corrosion Cracking4 N/A A
Workability (Cold)5 N/A B
Mechinability N/A C
Brazeability6 N/A A
Gas Weldability7 N/A A
Arc Weldability8 N/A A
Resistance Spot and Seam Weldability9 N/A A
Applications N/A Pipe railing, furniture, architectural extrusions
Density N/A 0.097 lbs/in³
Specific Gravity N/A 2.70
  • 1 Based on 500,000.000 cycles of completely reversed stress using the R. R. Moore-type of machine and specimen.
  • 2 Average of tension and compression moduli. Compression modulus is about 2 percent greater than tension modulus.
  • 3 Ratings A through E are relative ratings in decreasing order of merit, based on exposures to sodium chloride solution by intermittent spraying or immersion. Alloys with A and B ratings can be used in industrial and seacoast atmospheres without protection. Alloys with C, D and E ratings generally should be protected at least on faying surfaces.
  • 4 Stress-corrosion cracking ratings are based on service experience and on laboratory tests of specimens exposed to the 3.5% sodium chloride alternate immersion test.
  • 5 Ratings A through D for Workability (cold), and A through E for Machinability, are relative ratings in decreasing order of merit.
  • 6 Ratings A through D for Weldability and Brazeability are relative ratings.
  • 7 A = Generally weldable by all commercial procedures and methods.
    B = Weldable with special techniques or for specific applications that justify preliminary trials or testing to develop welding procedure and weld performance.
    C = Limited weldability because of crack sensitivity or loss in resistance to corrosion and mechanical properties.
  • 8 A = Generally weldable by all commercial procedures and methods.
    B = Weldable with special techniques or for specific applications that justify preliminary trials or testing to develop welding procedure and weld performance.
    C = Limited weldability because of crack sensitivity or loss in resistance to corrosion and mechanical properties.
  • 9 A = Generally weldable by all commercial procedures and methods.
    B = Weldable with special techniques or for specific applications that justify preliminary trials or testing to develop welding procedure and weld performance.
    C = Limited weldability because of crack sensitivity or loss in resistance to corrosion and mechanical properties.