Central Steel Supply Company, Marlborough, MA.
Central Steel Supply Company
85 Ames Street
Marlborough, MA 01752
Phone: 800-345-3232 | 508-573-5300
Email: sales@centralsteelsupply.com
Website: www.centralsteelsupply.com
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DOM (Drawn-Over-Mandrel) Round Steel Tube offers high strength, tight tolerances, and a smooth interior finish—ideal for demanding mechanical and structural applications. Available in a variety of dimensions, standard stock lengths, cut-to-length dimensions, and custom part orders.
Pipe and Round Tubes
Unit of Measure
1 2 3 4 5 

Item Name

Nominal Pipe Size (in)

Outside Diameter (in)

Inside Diameter (in)

Wall Thickness (in)

Weight Per Linear Foot (lb)

Material

Grade

Finish

Drawing

5 1/2" OD X .375" Wall DOM ROUND TUBE N/A 5-1/2 N/A 5.500 N/A 4.750 N/A 0.375 N/A 20.53 N/A Carbon Steel N/A A513 N/A Bare

5 1/2" OD X .500" Wall DOM ROUND TUBE N/A 5-1/2 N/A 5.500 N/A 4.500 N/A 0.500 N/A 26.70 N/A Carbon Steel N/A A513 N/A Bare

5 3/4" OD X .500" Wall DOM ROUND TUBE N/A 5-3/4 N/A 5.750 N/A 4.750 N/A 0.500 N/A 28.04 N/A Carbon Steel N/A A513 N/A Bare

6" OD X 1.00" Wall DOM ROUND TUBE N/A 6 N/A 6.000 N/A 4.000 N/A 1.000 N/A 53.33 N/A Carbon Steel N/A A513 N/A Bare

6" OD X .250" Wall DOM ROUND TUBE N/A 6 N/A 6.000 N/A 5.500 N/A 0.250 N/A 15.35 N/A Carbon Steel N/A A513 N/A Bare

6" OD X .375" Wall DOM ROUND TUBE N/A 6 N/A 6.000 N/A 5.250 N/A 0.375 N/A 22.53 N/A Carbon Steel N/A A513 N/A Bare

7" OD X .250" Wall DOM ROUND TUBE N/A 7 N/A 7.000 N/A 6.500 N/A 0.250 N/A 18.00 N/A Carbon Steel N/A A513 N/A Bare

7" OD X .500" Wall DOM ROUND TUBE N/A 7 N/A 7.000 N/A 6.000 N/A 0.500 N/A 34.70 N/A Carbon Steel N/A A513 N/A Bare

7 1/4" OD X .250" Wall DOM ROUND TUBE N/A 7-1/4 N/A 7.250 N/A 6.750 N/A 0.250 N/A 18.91 N/A Carbon Steel N/A A513 N/A Bare

7 1/2" OD X .750" Wall DOM ROUND TUBE N/A 7-1/2 N/A 7.500 N/A 6.000 N/A 0.750 N/A 54.07 N/A Carbon Steel N/A A513 N/A Bare

8" OD X .250" Wall DOM ROUND TUBE N/A 8 N/A 8.000 N/A 7.500 N/A 0.250 N/A 62.00 N/A Carbon Steel N/A A513 N/A Bare

8 1/2" OD X .500" Wall DOM ROUND TUBE N/A 8-1/2 N/A 8.500 N/A 7.500 N/A 0.500 N/A 42.58 N/A Carbon Steel N/A A513 N/A Bare

9" OD X .500" Wall DOM ROUND TUBE N/A 9 N/A 9.000 N/A 8.000 N/A 0.500 N/A 45.38 N/A Carbon Steel N/A A513 N/A Bare

9" OD X .750" Wall DOM ROUND TUBE N/A 9 N/A 9.000 N/A 7.500 N/A 0.750 N/A 66.10 N/A Carbon Steel N/A A513 N/A Bare

10" OD X .250" Wall DOM ROUND TUBE N/A 10 N/A 10.000 N/A 9.500 N/A 0.250 N/A 26.00 N/A Carbon Steel N/A A513 N/A Bare

10" OD X .375" Wall DOM ROUND TUBE N/A 10 N/A 10.000 N/A 9.250 N/A 0.375 N/A 38.67 N/A Carbon Steel N/A A513 N/A Bare

10" OD X .500" Wall DOM ROUND TUBE N/A 10 N/A 10.000 N/A 9.000 N/A 0.500 N/A 50.50 N/A Carbon Steel N/A A513 N/A Bare

10" OD X .750" Wall DOM ROUND TUBE N/A 10 N/A 10.000 N/A 8.500 N/A 0.750 N/A 74.00 N/A Carbon Steel N/A A513 N/A Bare

10 3/4" OD X .188" Wall DOM ROUND TUBE N/A 10-3/4 N/A 10.750 N/A 10.374 N/A 0.188 N/A 21.20 N/A Carbon Steel N/A A513 N/A Bare

12 3/4" OD X .188" Wall DOM ROUND TUBE N/A 12-3/4 N/A 12.750 N/A 12.374 N/A 0.188 N/A 25.22 N/A Carbon Steel N/A A513 N/A Bare

Unit of Measure
1 2 3 4 5