Carbon Steel Square Tube
-51 Products
Carbon steel square tubing is used in a variety of applications including building construction, manufacturing, and general fabrication. We carry carbon steel square tubing in A500/A513 hot-rolled steel square tube and 1018 cold-rolled steel square tube. So, whether you need workhorse hot-rolled steel tubing or the smooth, shiny finish of cold-rolled steel, Online Metals has the product you need. Price and order online and have your carbon steel square tube delivered directly to you.
Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Hot Roll vs Cold Roll Steel
Sort by
Displaying 1 - 25 of 51 results
Sort by
SALE!
Huge Savings on Overstock Lengths
SALE!
Huge Savings on Overstock Lengths
SALE!
Huge Savings on Overstock Lengths
SALE!
Huge Savings on Overstock Lengths - Ships from OR
SALE!
Huge Savings on Overstock Lengths
SALE!
Huge Savings on Overstock Lengths
SALE!
Huge Savings on Overstock Lengths
Pricing and availability for this item changes frequently. Contact us now for a fast quote.
SALE!
Huge Savings on Overstock Lengths
- Height 0.5" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $1.22 ea.
- 12″ (1 ft.) - $3.00 ea.
- 24″ (2 ft.) - $5.09 ea.
-
36″ (3 ft.)
- $7.19 ea.
- 48″ (4 ft.) - $8.64 ea.
- 72″ (6 ft.) - $12.12 ea.
- 72″ (6 ft.) - $7.34 ea.
- 96″ (8 ft.) - $15.39 ea.
- 96″ (8 ft.) - $9.79 ea.
- 144″ (12 ft.) - $21.94 ea.
- 240″ (20 ft.) - $36.57 ea.
- 288″ (24 ft.) - $43.89 ea.
- Custom Cut
Starting at
$1.22
$1.22
$1.22 ea.
SALE!
Huge Savings on Overstock Lengths
- Height 0.75" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $1.33 ea.
- 12″ (1 ft.) - $3.00 ea.
- 24″ (2 ft.) - $4.07 ea.
-
36″ (3 ft.)
- $5.77 ea.
- 48″ (4 ft.) - $6.93 ea.
- 72″ (6 ft.) - $9.71 ea.
- 96″ (8 ft.) - $12.34 ea.
- 144″ (12 ft.) - $17.62 ea.
- 240″ (20 ft.) - $29.36 ea.
- 288″ (24 ft.) - $35.22 ea.
- Custom Cut
Starting at
$1.33
$1.33
$1.33 ea.
SALE!
Huge Savings on Overstock Lengths
- Height 1" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $1.87 ea.
- 12″ (1 ft.) - $3.90 ea.
- 24″ (2 ft.) - $7.49 ea.
- 24″ (2 ft.) - $3.73 ea.
-
36″ (3 ft.)
- $10.63 ea.
- 48″ (4 ft.) - $12.78 ea.
- 72″ (6 ft.) - $17.89 ea.
- 96″ (8 ft.) - $22.75 ea.
- 144″ (12 ft.) - $32.42 ea.
- 240″ (20 ft.) - $54.06 ea.
- 288″ (24 ft.) - $64.87 ea.
- Custom Cut
Starting at
$1.87
$1.87
$1.87 ea.
SALE!
Huge Savings on Overstock Lengths - Ships from OR
- Height 0.875" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $2.88 ea.
- 24″ (2 ft.) - $5.57 ea.
-
36″ (3 ft.)
- $7.88 ea.
- 48″ (4 ft.) - $9.46 ea.
- 72″ (6 ft.) - $13.26 ea.
- 96″ (8 ft.) - $16.84 ea.
- Custom Cut
Starting at
$2.88
$2.88
$2.88 ea.
SALE!
Huge Savings on Overstock Lengths
- Height 0.625" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $4.18 ea.
- 24″ (2 ft.) - $8.15 ea.
- 24″ (2 ft.) - $3.34 ea.
-
36″ (3 ft.)
- $11.86 ea.
- 48″ (4 ft.) - $15.40 ea.
- 72″ (6 ft.) - $21.86 ea.
- 96″ (8 ft.) - $27.70 ea.
- 144″ (12 ft.) - $40.56 ea.
- 240″ (20 ft.) - $65.99 ea.
- Custom Cut
Starting at
$4.18
$4.18
$4.18 ea.
- Height 1.25" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $3.84 ea.
- 24″ (2 ft.) - $7.40 ea.
-
36″ (3 ft.)
- $10.45 ea.
- 48″ (4 ft.) - $12.56 ea.
- 72″ (6 ft.) - $17.62 ea.
- 96″ (8 ft.) - $22.37 ea.
- 144″ (12 ft.) - $31.92 ea.
- 240″ (20 ft.) - $53.19 ea.
- 288″ (24 ft.) - $63.83 ea.
- Custom Cut
Starting at
$3.84
$3.84
$3.84 ea.
- Height 0.75" |
- Wall 0.12"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $4.45 ea.
- 24″ (2 ft.) - $8.60 ea.
-
36″ (3 ft.)
- $12.17 ea.
- 48″ (4 ft.) - $14.61 ea.
- 72″ (6 ft.) - $20.49 ea.
- 96″ (8 ft.) - $26.04 ea.
- 144″ (12 ft.) - $37.13 ea.
- 240″ (20 ft.) - $61.90 ea.
- Custom Cut
Starting at
$4.45
$4.45
$4.45 ea.
- Height 1" |
- Wall 0.12"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $5.28 ea.
- 24″ (2 ft.) - $10.18 ea.
-
36″ (3 ft.)
- $14.42 ea.
- 48″ (4 ft.) - $17.33 ea.
- 72″ (6 ft.) - $24.28 ea.
- 96″ (8 ft.) - $30.86 ea.
- 144″ (12 ft.) - $44.00 ea.
- 240″ (20 ft.) - $73.34 ea.
- 288″ (24 ft.) - $88.03 ea.
- Custom Cut
Starting at
$5.28
$5.28
$5.28 ea.
SALE!
Huge Savings on Overstock Lengths
- Height 2" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $6.12 ea.
- 24″ (2 ft.) - $11.79 ea.
-
36″ (3 ft.)
- $16.67 ea.
- 48″ (4 ft.) - $20.04 ea.
- 72″ (6 ft.) - $28.09 ea.
- 96″ (8 ft.) - $35.69 ea.
- 144″ (12 ft.) - $50.91 ea.
- 240″ (20 ft.) - $84.84 ea.
- 288″ (24 ft.) - $101.81 ea.
- Custom Cut
Starting at
$6.12
$6.12
$6.12 ea.
- Height 1.25" |
- Wall 0.12"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $6.28 ea.
- 24″ (2 ft.) - $12.11 ea.
-
36″ (3 ft.)
- $17.15 ea.
- 48″ (4 ft.) - $20.59 ea.
- 72″ (6 ft.) - $28.86 ea.
- 96″ (8 ft.) - $36.68 ea.
- 144″ (12 ft.) - $52.30 ea.
- 240″ (20 ft.) - $87.18 ea.
- 288″ (24 ft.) - $104.63 ea.
- Custom Cut
Starting at
$6.28
$6.28
$6.28 ea.
- Height 1.5" |
- Wall 0.065"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $6.30 ea.
- 24″ (2 ft.) - $12.14 ea.
-
36″ (3 ft.)
- $17.19 ea.
- 48″ (4 ft.) - $20.69 ea.
- 72″ (6 ft.) - $28.98 ea.
- 96″ (8 ft.) - $36.81 ea.
- 144″ (12 ft.) - $52.51 ea.
- 240″ (20 ft.) - $87.52 ea.
- 288″ (24 ft.) - $105.03 ea.
- Custom Cut
Starting at
$6.30
$6.30
$6.30 ea.
- Height 1.5" |
- Wall 0.12"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $7.28 ea.
- 24″ (2 ft.) - $14.04 ea.
-
36″ (3 ft.)
- $19.89 ea.
- 48″ (4 ft.) - $23.89 ea.
- 72″ (6 ft.) - $33.48 ea.
- 96″ (8 ft.) - $42.55 ea.
- 240″ (20 ft.) - $101.15 ea.
- 288″ (24 ft.) - $121.38 ea.
- Custom Cut
Starting at
$7.28
$7.28
$7.28 ea.
- Height 1.75" |
- Wall 0.12"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $8.28 ea.
- 24″ (2 ft.) - $15.97 ea.
-
36″ (3 ft.)
- $22.62 ea.
- 48″ (4 ft.) - $27.18 ea.
- 72″ (6 ft.) - $38.08 ea.
- 96″ (8 ft.) - $48.37 ea.
- 144″ (12 ft.) - $69.00 ea.
- 240″ (20 ft.) - $115.01 ea.
- 288″ (24 ft.) - $138.00 ea.
- Custom Cut
Starting at
$8.28
$8.28
$8.28 ea.
SALE!
Huge Savings on Overstock Lengths
- Height 2" |
- Wall 0.12"
Carbon Steel Square Tube A500/A513 Hot Rolled
Select...
- 12″ (1 ft.) - $9.87 ea.
- 24″ (2 ft.) - $19.00 ea.