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Carbon Steel Square Tube A500/A513

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09-07-2025 - carbon steel tube-square a500-a513 - 1000x1000superZoom-main

Carbon Steel Square Tube A500/A513

A500/A513 Carbon Steel Square Tubes are made of cold formed and seamlessly welded hot rolled steel. A500 offers high weldability and is used frequently in structural applications in bridges and buildings and in both the automotive and appliance industry. A500 and A513 are comparable in composition and strong content.

A500-A513 are 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 also carry Carbon Steel Square Tube in 1018 Metric

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

Automotive Store

Marketplace Icon

Structural Store

Material Properties

Carbon Steel A500/A513 Product Guide |

Carbon Steel A500/A513 Square Tube Tolerances

09-07-2025 - carbon steel tube-square a500-a513 - 1000x1000superZoom-main

Carbon Steel Square Tube A500/A513

A500/A513 Carbon Steel Square Tubes are made of cold formed and seamlessly welded hot rolled steel. A500 offers high weldability and is used frequently in structural applications in bridges and buildings and in both the automotive and appliance industry. A500 and A513 are comparable in composition and strong content.

A500-A513 are 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 also carry Carbon Steel Square Tube in 1018 Metric

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

Automotive Store

Marketplace Icon

Structural Store

Material Properties

Carbon Steel A500/A513 Product Guide |

Carbon Steel A500/A513 Square Tube Tolerances

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69 results

69 results

4" x 0.1875" Carbon Steel Square Tube A500 Hot Rolled Part # 10378

Select a Size or Custom Cut

QTY

Update

$35.00 for 1

$35.00 ea.

Dimensions

Height: 4"
Wall: 0.1875"

Click for more details

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

Material Meets These Standard(s): ASTM-A500

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

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mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10378

4" x 0.25" Carbon Steel Square Tube A500 Hot Rolled Part # 10379

Select a Size or Custom Cut

QTY

Update

$45.26 for 1

$45.26 ea.

Dimensions

Height: 4"
Wall: 0.25"

Click for more details

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

Material Meets These Standard(s): ASTM-A500

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10379

4" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064363

Sold & Shipped by A-Z Metals

Select a Size

QTY

Update

$26.80 for 1

$26.80 ea.

Dimensions

Height: 4"
Wall: 0.083"

Click for more details

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

4" X .083" Carbon Steel Square Tube A500/A513-deskmp-00064363

4" X .083" Carbon Steel Square Tube A500/A513 Part # mp-00064363

Dimensions

Height: 4"
Wall: 0.083"

Select a Size

12″ (1 ft.) - $26.80 ea.
24″ (2 ft.) - $42.85 ea.
36″ (3 ft.) - $60.20 ea.
48″ (4 ft.) - $75.04 ea.
72″ (6 ft.) - $99.80 ea.

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

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064832

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$67.77 for 1

$67.77 ea.

Dimensions

Height: 4"
Wall: 0.5"

Click for more details

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-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

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064832

4" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064832

Dimensions

Height: 4"
Wall: 0.5"

Select a Size

12″ (1 ft.) - $67.77 ea.
24″ (2 ft.) - $109.47 ea.
36″ (3 ft.) - $161.93 ea.
48″ (4 ft.) - $205.83 ea.
60″ (5 ft.) - $251.12 ea.
72″ (6 ft.) - $300.44 ea.
84″ (7 ft.) - $349.75 ea.
96″ (8 ft.) - $399.07 ea.
108″ (9 ft.) - $448.39 ea.

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

4" x 3/8" Carbon Steel Square Tube A500 Hot Rolled Part # mp-00066981

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$58.38 for 1

$58.38 ea.

Dimensions

Height: 4"
Wall: 0.375"

Click for more details

4" x 3/8" Carbon Steel Square Tube A500 Hot Rolled-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

4" x 3/8" Carbon Steel Square Tube A500 Hot Rolled-deskmp-00066981

4" x 3/8" Carbon Steel Square Tube A500 Hot Rolled Part # mp-00066981

Dimensions

Height: 4"
Wall: 0.375"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $58.38 ea.
24″ (2 ft.) - $116.76 ea.
36″ (3 ft.) - $175.14 ea.
48″ (4 ft.) - $233.52 ea.
72″ (6 ft.) - $346.40 ea.
96″ (8 ft.) - $452.34 ea.
120″ (10 ft.) - $558.60 ea.
240″ (20 ft.) - $1,082.55 ea.

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

5" x 0.25" Carbon Steel Square Tube A500 Hot Rolled Part # 10391

Select a Size or Custom Cut

QTY

Update

$61.23 for 1

$61.23 ea.

Dimensions

Height: 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-A500

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10391

5" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064827

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$77.53 for 1

$77.53 ea.

Dimensions

Height: 5"
Wall: 0.5"

Click for more details

5" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-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

5" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064827

5" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064827

Dimensions

Height: 5"
Wall: 0.5"

Select a Size

12″ (1 ft.) - $77.53 ea.
24″ (2 ft.) - $165.00 ea.
36″ (3 ft.) - $203.93 ea.
48″ (4 ft.) - $264.77 ea.
60″ (5 ft.) - $329.59 ea.
72″ (6 ft.) - $394.41 ea.
84″ (7 ft.) - $459.22 ea.
96″ (8 ft.) - $524.04 ea.
108″ (9 ft.) - $588.85 ea.

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

5" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064837

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$56.86 for 1

$56.86 ea.

Dimensions

Height: 5"
Wall: 0.375"

Click for more details

5" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-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

5" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064837

5" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064837

Dimensions

Height: 5"
Wall: 0.375"

Select a Size

12″ (1 ft.) - $56.86 ea.
24″ (2 ft.) - $95.14 ea.
36″ (3 ft.) - $134.60 ea.
48″ (4 ft.) - $170.73 ea.
60″ (5 ft.) - $208.23 ea.
72″ (6 ft.) - $248.94 ea.
96″ (8 ft.) - $550.00 ea.

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

5" x 0.188" Carbon Steel Structual Square Tube A500 Grade B/C Part # mp-00068062

Sold & Shipped by Competitive Metals

Select a Size

QTY

Update

$176.05 for 1

$176.05 ea.

Dimensions

Height: 5"
Wall: 0.188"

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-00068062

5" x 0.188" Carbon Steel Structual Square Tube A500 Grade B/C Part # mp-00068062

Dimensions

Height: 5"
Wall: 0.188"

Select a Size

60″ (5 ft.) - $176.05 ea.

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

6" x 0.12" Carbon Steel Square Tube A500 Hot Rolled Part # 10396

Select a Size or Custom Cut

QTY

Update

$32.27 for 1

$32.27 ea.

Dimensions

Height: 6"
Wall: 0.12"

Click for more details

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

Key Features

CUSTOM CUT

View more product details

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mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10396

6" x 0.1875" Carbon Steel Square Tube A500 Hot Rolled Part # 10397

Select a Size or Custom Cut

QTY

Update

$55.94 for 1

$55.94 ea.

Dimensions

Height: 6"
Wall: 0.1875"

Click for more details

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

Key Features

CUSTOM CUT

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10397

6" x 0.5" Carbon Steel Square Tube A500 Hot Rolled Part # 10401

Select a Size or Custom Cut

QTY

Update

$123.53 for 1

$123.53 ea.

Dimensions

Height: 6"
Wall: 0.5"

Click for more details

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

Key Features

CUSTOM CUT

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk10401

6" x 0.25" Carbon Steel Square Tube A500 Hot Rolled Part # mp-00063112

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$52.42 for 1

$52.42 ea.

Dimensions

Height: 6"
Wall: 0.25"

Click for more details

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

Key Features

CUSTOM CUT 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-00063112

6" x 0.25" Carbon Steel Square Tube A500 Hot Rolled Part # mp-00063112

Dimensions

Height: 6"
Wall: 0.25"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $52.42 ea.
24″ (2 ft.) - $104.83 ea.
36″ (3 ft.) - $157.25 ea.
48″ (4 ft.) - $209.66 ea.
60″ (5 ft.) - $262.08 ea.
72″ (6 ft.) - $314.50 ea.
144″ (12 ft.) - $628.99 ea.

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

6" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064831

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$150.00 for 1

$150.00 ea.

Dimensions

Height: 6"
Wall: 0.375"

Click for more details

6" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-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

6" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064831

6" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064831

Dimensions

Height: 6"
Wall: 0.375"

Select a Size

12″ (1 ft.) - $150.00 ea.
24″ (2 ft.) - $175.00 ea.
36″ (3 ft.) - $250.00 ea.
48″ (4 ft.) - $350.00 ea.
96″ (8 ft.) - $550.00 ea.
120″ (10 ft.) - $522.43 ea.

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

7" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064823

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$146.29 for 1

$146.29 ea.

Dimensions

Height: 7"
Wall: 0.375"

Click for more details

7" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-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

7" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064823

7" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064823

Dimensions

Height: 7"
Wall: 0.375"

Select a Size

24″ (2 ft.) - $146.29 ea.
48″ (4 ft.) - $400.00 ea.
96″ (8 ft.) - $531.58 ea.

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

8" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064824

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$300.20 for 1

$300.20 ea.

Dimensions

Height: 8"
Wall: 0.375"

Click for more details

8" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-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

8" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064824

8" x 3/8" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064824

Dimensions

Height: 8"
Wall: 0.375"

Select a Size

48″ (4 ft.) - $300.20 ea.
96″ (8 ft.) - $586.68 ea.

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

8" x 1/2" Carbon Steel Square Tube A500 Hot Rolled Part # mp-00066982

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$161.70 for 1

$161.70 ea.

Dimensions

Height: 8"
Wall: 0.5"

Click for more details

8" x 1/2" Carbon Steel Square Tube A500 Hot Rolled-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

8" x 1/2" Carbon Steel Square Tube A500 Hot Rolled-deskmp-00066982

8" x 1/2" Carbon Steel Square Tube A500 Hot Rolled Part # mp-00066982

Dimensions

Height: 8"
Wall: 0.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $161.70 ea.
24″ (2 ft.) - $323.40 ea.
36″ (3 ft.) - $474.60 ea.
48″ (4 ft.) - $609.00 ea.
72″ (6 ft.) - $693.00 ea.
96″ (8 ft.) - $903.00 ea.
120″ (10 ft.) - $1,123.50 ea.
144″ (12 ft.) - $1,344.00 ea.
240″ (20 ft.) - $2,203.95 ea.

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

10" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064836

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$300.00 for 1

$300.00 ea.

Dimensions

Height: 10"
Wall: 0.5"

Click for more details

10" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-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

10" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064836

10" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064836

Dimensions

Height: 10"
Wall: 0.5"

Select a Size

12″ (1 ft.) - $300.00 ea.
24″ (2 ft.) - $445.00 ea.
36″ (3 ft.) - $452.29 ea.
48″ (4 ft.) - $599.72 ea.
60″ (5 ft.) - $747.14 ea.
72″ (6 ft.) - $894.57 ea.
84″ (7 ft.) - $1,042.00 ea.
96″ (8 ft.) - $1,189.42 ea.
108″ (9 ft.) - $1,216.23 ea.

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

12" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064830

Sold & Shipped by Metal Mart Studio LLC

Select a Size

QTY

Update

$300.00 for 1

$300.00 ea.

Dimensions

Height: 12"
Wall: 0.5"

Click for more details

12" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-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

12" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled-deskmp-00064830

12" x 1/2" Carbon Steel Square Tube A500-A513 Hot Rolled Part # mp-00064830

Dimensions

Height: 12"
Wall: 0.5"

Select a Size

12″ (1 ft.) - $300.00 ea.
24″ (2 ft.) - $400.00 ea.
36″ (3 ft.) - $600.00 ea.
48″ (4 ft.) - $724.55 ea.
60″ (5 ft.) - $903.01 ea.
72″ (6 ft.) - $1,081.47 ea.
84″ (7 ft.) - $1,259.94 ea.
96″ (8 ft.) - $1,308.61 ea.
108″ (9 ft.) - $1,470.85 ea.

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

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