At Steelun Steel and Pipe Supply., we can provide the steel squares you need for your manufacturing, fabricating, contracting and special project needs. Our steel squares are made of steel, stainless steel and aluminum. We have a variety of sizes to choose from. Please consult the sizing chart below to determine the dimensions of steel squares you need for your project. Call us to request sizing information for stainless steel and aluminum, if available. If you want to know more, call one of our sales representatives to discuss how you can order customized steel squares.

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Hot Rolled
Standard length - 20 ft.

Size in inches
Weight
per foot
Weight per
20 ft length
5/16
3/8
1/2
5/8
3/4
7/8
1
1-1/4
1-1/2
2
2-1/2
3
.332
.478
.850
1.33
1.91
2.60
3.40
5.31
7.65
13.60
21.25
30.60
6.64
9.56
17.00
26.60
38.20
52.00
68.00
106.20
153.00
272.00
425.00
612.00
Cold Finished - C1018 
Standard length - 12 ft.
Size in inches
Weight
per foot
Weight per
20 ft length
1/8
3/16
1/4
5/16
3/8
7/16
1/2
5/8
3/4
7/8
1
1-1/8
1-1/4
1-1/2
1-3/4
2
.053
.120
.213
.332
.478
.651
.850
1.329
1.914
2.605
3.402
4.306
5.316
7.655
10.419
13.600
.636
1.440
2.556
3.984
5.736
7.812
10.200
15.948
22.968
31.260
40.824
51.672
63.792
91.860
125.028
163.200