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Aluminum Column Dimensions & Load Bearing Data (Square)

Square Fluted

Nominal Diameter A (OD) Max. Square Encaseable No. Staves Load Lbs. Tested Length Standard Lengths (Ft)*
4" 4" 3-1/8" 2 13,000 8' 8, 9, 10, 12'
6" 5-1/2" 4-5/8" 4 12,000 8' 8', 9', 10', 12'
8" 7-1/2" 6-1/2" 4 18,000 8' 8, 9, 10, 12, 16'
10" 9-1/2" 8-1/2" 4 33,000 12' 8, 9, 10, 12, 16'
12" 11-1/2" 10-1/2" 4 27,660 15' 8, 9, 10, 12, 16, 20'
16" 15-1/2" 13-3/4" 4 Tests Ongoing 20'
*Subject to availability.  Unlisted lengths available upon request.
Square Panel
Nominal Diameter A (OD) Max. Square Encaseable No. Staves Load Lbs. Tested Length Standard Lengths (Ft)*
6" 5-1/2" 4-3/16" 4 40,000 8' 8, 9, 10, 12'
8" 7-1/2" 6-3/16" 4 60,000 8' 8, 9, 10, 12, 16'
10" 9-1/2" 8-1/8" 4 80,000 12' 8, 9, 10, 12, 16'
12" 11-1/2" 10-1/8" 4 75,000 16' 8, 9, 10, 12, 16, 20'
16" 15-1/2" 13-7/8" 8 75,000 16' 20'
*Subject to availability.  Unlisted lengths available upon request.
Square Smooth
Nominal Diameter A (OD) Max. Square Encaseable No. Staves Load Lbs. Tested Length Standard Lengths (Ft)*
4" 4" Not Available as Wraparound 1 Not Tested 8, 10'
6" 5-1/2" 4-9/16" 4 15,000 8' 8, 9, 10, 12'
8" 7-1/2" 6-1/2" 4 24,000 8' 8, 9, 10, 12, 16'
10" 9-1/2" 8-1/16" 4 45,000 16' 8, 9, 10, 12, 16'
12" 11-1/2" 10-1/16" 4 50,000 16' 8, 9, 10, 12, 16, 20'
*Subject to availability.  Unlisted lengths available upon request.

Standard Square

Nominal Diameter A (ID) B (OD) C (Height)
4" 4" 6" 1-3/8"
6" 5-1/2" 8-1/2" 2"
8" 7-1/2" 10-1/2" 2"
10" 9-1/2" 12-1/2" 2-5/16"
12" 11-1/2" 15" 2-1/2"
16" 15-1/2" 20" 3"

Doric Square

Nominal Diameter A (ID) B (OD) C (Height)
4" Not Available
6" 5-1/2" 10-1/2" 3-3/4"
8" 7-1/2" 12-1/2" 3-3/4"
10" 9-1/2" 14-1/2" 3-3/4"
12" 11-1/2" 16-1/2" 3-3/4"
16" 15-1/2" 20-1/2" 3-3/4"

Charleston Square (Cap)

Nominal Diameter A (ID) B (OD) C (Height)
4" Not Available
6" 5-1/2" 9-1/4" 6-1/2"
8" 7-1/2" 11-1/4" 6-1/2"
10" 9-1/2" 13-1/4" 6-1/2"
12" 11-1/2" 17-1/4" 10"
16" 15-1/2" 21-1/4" 10"

Savannah Square (Base)

Nominal Diameter A (ID) B (OD) C (Height)
4" Not Available
6" 5-1/2" 8" 5-1/4"
8" 7-1/2" 10" 5-1/4"
10" 9-1/2" 12" 5-1/4"
12" 11-1/2" 14" 5-1/4"
16" 15-1/2" 18" 5-1/4"