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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Round bars are round solid steel bars used for structural support and ornamental applications. Available in a variety of dimensions, standard stock lengths, cut-to-length dimensions, and custom part orders.
Round Bars
Unit of Measure
1 2 

Item Name

Diameter (in)

Material

Grade

Weight Per Linear Foot (lb)

Drawing

1/2 HR ROUND N/A 1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 0.668

5/8 HR ROUND N/A 5/8 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 1.04

3/4 HR ROUND N/A 3/4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 1.50

7/8 HR ROUND N/A 7/8 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 2.04

1 HR ROUND N/A 1 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 2.67

1 1/8 HR ROUND N/A 1-1/8 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 3.379

1 1/4 HR ROUND N/A 1-1/4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 4.17

1 3/8 HR ROUND N/A 1-3/8 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 5.056

1 1/2 HR ROUND N/A 1-1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 6.009

1 5/8 HR ROUND N/A 1-5/8 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 7.051

1 5/8 HR ROUND N/A 1-5/8 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 7.051

1 3/4 HR ROUND N/A 1-3/4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 8.178

2 HR ROUND N/A 2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 10.68

2 1/4 HR ROUND N/A 2-1/4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 13.496

2 1/2 HR ROUND N/A 2-1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 16.69

2 1/2 HR ROUND N/A 2-1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 16.69

2 3/4 HR ROUND N/A 2-3/4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 20.2

3 HR ROUND N/A 3 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 24.03

3 1/2 HR ROUND N/A 3-1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 32.66

3 3/4 HR ROUND N/A 3-3/4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 37.54

4 HR ROUND N/A 4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 42.6537

5 1/2 HR ROUND N/A 5-1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 80.7

6 1/4 HR ROUND N/A 6-1/4 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 104.27

6 1/2 HR ROUND N/A 6-1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 112.93

7 1/2 HR ROUND N/A 7-1/2 N/A Carbon Steel N/A 1018 1045 A36 Grade 50 N/A 156

Unit of Measure
1 2