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Carbon Steel Square Tube

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Carbon Steel Square Tube

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.

A500-A513 square tube is stocked in most sizes at our metal supply warehouses in Portland, Dallas, Atlanta, Wallingford, Toledo, and Los Angeles. Standard lengths and cut to size are available.

We carry Carbon Steel Square Tube in 1018 Metric | A500-A513

Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Hot Roll vs Cold Roll Steel

Material Properties

Carbon Steel Product Guide

-main

Carbon Steel Square Tube

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.

A500-A513 square tube is stocked in most sizes at our metal supply warehouses in Portland, Dallas, Atlanta, Wallingford, Toledo, and Los Angeles. Standard lengths and cut to size are available.

We carry Carbon Steel Square Tube in 1018 Metric | A500-A513

Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Hot Roll vs Cold Roll Steel

Material Properties

Carbon Steel Product Guide

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81 results

81 results

1/2" x 0.065" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10287

Select a Size or Custom Cut

QTY

Update

$4.50 for 1

$4.50 ea.

Dimensions

Height: 0.5"
Wall: 0.065"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10287

5/8" x 0.065" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10289

Select a Size or Custom Cut

QTY

Update

$4.50 for 1

$4.50 ea.

Dimensions

Height: 0.625"
Wall: 0.065"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10289

3/4" x 0.065" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10291

Select a Size or Custom Cut

QTY

Update

$4.50 for 1

$4.50 ea.

Dimensions

Height: 0.75"
Wall: 0.065"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10291

3/4" x 0.12" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10295

Select a Size or Custom Cut

QTY

Update

$4.80 for 1

$4.80 ea.

Dimensions

Height: 0.75"
Wall: 0.12"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10295

3/4" X 0.083" Carbon Steel Square Tube A500/A513 Part # mp-00064367

Sold & Shipped by A-Z Metals

Select a Size or Custom Cut

QTY

Update

$4.13 for 1

$4.13 ea.

Dimensions

Height: 0.75"
Wall: 0.083"

Click for more details

3/4" X 0.083" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

3/4" X 0.083" Carbon Steel Square Tube A500/A513-deskmp-00064367

3/4" X 0.083" Carbon Steel Square Tube A500/A513 Part # mp-00064367

Dimensions

Height: 0.75"
Wall: 0.083"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $4.13 ea.
24″ (2 ft.) - $6.50 ea.
36″ (3 ft.) - $9.28 ea.
48″ (4 ft.) - $11.55 ea.
60″ (5 ft.) - $47.43 ea.
72″ (6 ft.) - $16.06 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

7/8" x 0.065" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10297

Select a Size or Custom Cut

QTY

Update

$4.77 for 1

$4.77 ea.

Dimensions

Height: 0.875"
Wall: 0.065"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10297

1" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064373

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$6.77 for 1

$6.77 ea.

Dimensions

Height: 1"
Wall: 0.095"

Click for more details

1" X .095" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

1" X .095" Carbon Steel Square Tube A500/A513-deskmp-00064373

1" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064373

Dimensions

Height: 1"
Wall: 0.095"

Select a Size

12″ (1 ft.) - $6.77 ea.
24″ (2 ft.) - $10.82 ea.
36″ (3 ft.) - $15.22 ea.
48″ (4 ft.) - $18.95 ea.
72″ (6 ft.) - $26.38 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1" x 0.065" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10301

Select a Size or Custom Cut

QTY

Update

$4.50 for 1

$4.50 ea.

Dimensions

Height: 1"
Wall: 0.065"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10301

1" x 0.12" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10305

Select a Size or Custom Cut

QTY

Update

$6.09 for 1

$6.09 ea.

Dimensions

Height: 1"
Wall: 0.12"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10305

1" x 0.09" Carbon Steel Square Tube A513 Part # mp-00068068

Sold & Shipped by Competitive Metals

Select a Size

QTY

Update

$16.80 for 1

$16.80 ea.

Dimensions

Height: 1"
Wall: 0.09"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-deskmp-00068068

1" x 0.09" Carbon Steel Square Tube A513 Part # mp-00068068

Dimensions

Height: 1"
Wall: 0.09"

Select a Size

60″ (5 ft.) - $16.80 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064364

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$6.27 for 1

$6.27 ea.

Dimensions

Height: 1"
Wall: 0.083"

Click for more details

1" X .083" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

1" X .083" Carbon Steel Square Tube A500/A513-deskmp-00064364

1" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064364

Dimensions

Height: 1"
Wall: 0.083"

Select a Size

12″ (1 ft.) - $6.27 ea.
24″ (2 ft.) - $10.03 ea.
36″ (3 ft.) - $14.11 ea.
48″ (4 ft.) - $17.56 ea.
60″ (5 ft.) - $60.55 ea.
72″ (6 ft.) - $24.45 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1 1/4" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064350

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$8.64 for 1

$8.64 ea.

Dimensions

Height: 1.25"
Wall: 0.095"

Click for more details

1 1/4" X .095" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

1 1/4" X .095" Carbon Steel Square Tube A500/A513-deskmp-00064350

1 1/4" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064350

Dimensions

Height: 1.25"
Wall: 0.095"

Select a Size

12″ (1 ft.) - $8.64 ea.
24″ (2 ft.) - $13.82 ea.
36″ (3 ft.) - $19.43 ea.
48″ (4 ft.) - $24.20 ea.
72″ (6 ft.) - $33.69 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1 1/4"" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064359

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$7.98 for 1

$7.98 ea.

Dimensions

Height: 1.25"
Wall: 0.083"

Click for more details

1 1/4"" X .083" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

1 1/4"" X .083" Carbon Steel Square Tube A500/A513-deskmp-00064359

1 1/4"" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064359

Dimensions

Height: 1.25"
Wall: 0.083"

Select a Size

12″ (1 ft.) - $7.98 ea.
24″ (2 ft.) - $12.77 ea.
36″ (3 ft.) - $17.96 ea.
48″ (4 ft.) - $22.36 ea.
72″ (6 ft.) - $31.13 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1 1/4" x 0.12" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10318

Select a Size or Custom Cut

QTY

Update

$8.08 for 1

$8.08 ea.

Dimensions

Height: 1.25"
Wall: 0.12"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10318

1 1/4" x 0.1875" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10320

Select a Size or Custom Cut

QTY

Update

$17.08 for 1

$17.08 ea.

Dimensions

Height: 1.25"
Wall: 0.1875"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10320

1 1/4" x 0.065" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10314

Select a Size or Custom Cut

QTY

Update

$4.96 for 1

$4.96 ea.

Dimensions

Height: 1.25"
Wall: 0.065"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10314

1 1/4" x 0.09" Carbon Steel Square Tube A513 Part # mp-00068060

Sold & Shipped by Competitive Metals

Select a Size

QTY

Update

$21.88 for 1

$21.88 ea.

Dimensions

Height: 1.25"
Wall: 0.09"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-deskmp-00068060

1 1/4" x 0.09" Carbon Steel Square Tube A513 Part # mp-00068060

Dimensions

Height: 1.25"
Wall: 0.09"

Select a Size

60″ (5 ft.) - $21.88 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1 1/2" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064366

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$9.69 for 1

$9.69 ea.

Dimensions

Height: 1.5"
Wall: 0.083"

Click for more details

1 1/2" X .083" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

1 1/2" X .083" Carbon Steel Square Tube A500/A513-deskmp-00064366

1 1/2" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064366

Dimensions

Height: 1.5"
Wall: 0.083"

Select a Size

12″ (1 ft.) - $9.69 ea.
24″ (2 ft.) - $15.50 ea.
36″ (3 ft.) - $21.80 ea.
48″ (4 ft.) - $27.14 ea.
72″ (6 ft.) - $37.79 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1 1/2" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064378

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$10.51 for 1

$10.51 ea.

Dimensions

Height: 1.5"
Wall: 0.095"

Click for more details

1 1/2" X .095" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

1 1/2" X .095" Carbon Steel Square Tube A500/A513-deskmp-00064378

1 1/2" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064378

Dimensions

Height: 1.5"
Wall: 0.095"

Select a Size

12″ (1 ft.) - $10.51 ea.
24″ (2 ft.) - $16.81 ea.
36″ (3 ft.) - $23.63 ea.
48″ (4 ft.) - $29.43 ea.
72″ (6 ft.) - $40.97 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1 1/2" x 0.065" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10322

Select a Size or Custom Cut

QTY

Update

$5.92 for 1

$5.92 ea.

Dimensions

Height: 1.5"
Wall: 0.065"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10322

1 1/2" x 0.12" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10326

Select a Size or Custom Cut

QTY

Update

$9.93 for 1

$9.93 ea.

Dimensions

Height: 1.5"
Wall: 0.12"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10326

1 1/2" x 0.1875" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10328

Select a Size or Custom Cut

QTY

Update

$15.76 for 1

$15.76 ea.

Dimensions

Height: 1.5"
Wall: 0.1875"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10328

1 1/2" x 0.25" Carbon Steel Square Tube A500/A513 Hot Rolled Part # 10329

Select a Size or Custom Cut

QTY

Update

$19.20 for 1

$19.20 ea.

Dimensions

Height: 1.5"
Wall: 0.25"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A513 , ASTM-A500(call for availability)

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10329

1 1/2" x 0.09" Carbon Steel Square Tube A513 Part # mp-00068063

Sold & Shipped by Competitive Metals

Select a Size

QTY

Update

$25.90 for 1

$25.90 ea.

Dimensions

Height: 1.5"
Wall: 0.09"

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-deskmp-00068063

1 1/2" x 0.09" Carbon Steel Square Tube A513 Part # mp-00068063

Dimensions

Height: 1.5"
Wall: 0.09"

Select a Size

60″ (5 ft.) - $25.90 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

1 3/4" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064349

Sold & Shipped by A-Z Metals

Select a Size or Custom Cut

QTY

Update

$12.38 for 1

$12.38 ea.

Dimensions

Height: 1.75"
Wall: 0.095"

Click for more details

1 3/4" X .095" Carbon Steel Square Tube A500/A513-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

1 3/4" X .095" Carbon Steel Square Tube A500/A513-deskmp-00064349

1 3/4" X .095" Carbon Steel Square Tube A500/A513 Part # mp-00064349

Dimensions

Height: 1.75"
Wall: 0.095"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $12.38 ea.
24″ (2 ft.) - $19.80 ea.
36″ (3 ft.) - $27.83 ea.
48″ (4 ft.) - $34.66 ea.
72″ (6 ft.) - $48.25 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

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