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-T52
Stock Lengths 16' (Sharp Corners)
ASTM B221
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Unit of Measure
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506450841-497007194-alum-square-bar

Aluminum Squares - Series 6063-T52
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6063-T52
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6063-T52
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6063-T52
506450841-497007194-alum-square-bar

Aluminum Squares - Series 6063-T52
Material N/A Aluminum
Shapeform N/A Squares
Series N/A 6063-T52
Grade N/A 6063
Temper N/A T52
Size N/A 1/4 inches N/A 3/8 inches N/A 1/2 inches N/A 5/8 inches N/A 3/4 inches
Size N/A 0.25 inches6.35 mm N/A 0.375 inches9.525 mm N/A 0.5 inches12.7 mm N/A 0.625 inches15.875 mm N/A 0.75 inches19.05 mm
Estimated Weight N/A 0.0728 lbs/ft0.1083383392 kg/m N/A 0.1637 lbs/ft0.2436124468 kg/m N/A 0.2910 lbs/ft0.433055724 kg/m N/A 0.4547 lbs/ft0.6766681708 kg/m N/A 0.6548 lbs/ft0.9744497872 kg/m
Estimated Weight per 12' Bar N/A 1.164 lbs0.5279815536 kg N/A 2.619 lbs1.1879584956 kg N/A 4.656 lbs2.1119262144 kg N/A 7.275 lbs3.29988471 kg N/A 10.476 lbs4.7518339824 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.