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Square Metal Tube / Tubing

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square-tube-large-new-min-4superZoom-main

Square Metal Tube / Tubing

Square metal tube stock is used in both structural and architectural applications. Versatility and strength are the key positives of square tubing for sale. Whether you're looking for popular sizes like 2x2 square tubing or 1-inch square tubing, you can find them at Online Metals available in full size and custom cut lengths. Why waste time searching for metal tubing near you when you can price and order online today and enjoy the convenience of having it delivered directly to you? Get started on your project today!

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 square metal tubing in aluminum, brass, carbon steel, and stainless steel.

Relevant Knowledge Hub Resources: Understanding Steel | 5 Reasons to Cut-to-Size | Weight Calculator

square-tube-large-new-min-4superZoom-main

Square Metal Tube / Tubing

Square metal tube stock is used in both structural and architectural applications. Versatility and strength are the key positives of square tubing for sale. Whether you're looking for popular sizes like 2x2 square tubing or 1-inch square tubing, you can find them at Online Metals available in full size and custom cut lengths. Why waste time searching for metal tubing near you when you can price and order online today and enjoy the convenience of having it delivered directly to you? Get started on your project today!

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 square metal tubing in aluminum, brass, carbon steel, and stainless steel.

Relevant Knowledge Hub Resources: Understanding Steel | 5 Reasons to Cut-to-Size | Weight Calculator

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335 results

335 results

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

5/8" x 0.065" Alloy Steel Square Tube 4130-Cond. N Cold Drawn Seamless Part # 28111

Select a Cut Size

QTY

Update

$56.51 for 1

$56.51 ea.

Dimensions

Height: 0.625"
Wall: 0.065"

Click for more details

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

Key Features

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk28111

5/8" x 0.049" Alloy Steel Square Tube 4130-Cond. N Cold Drawn Seamless Part # 28110

Select a Cut Size

QTY

Update

$47.99 for 1

$47.99 ea.

Dimensions

Height: 0.625"
Wall: 0.049"

Click for more details

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

Key Features

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk28110

5/8" x 5/8" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized Part # mp-00005374

Sold & Shipped by Competitive Metals

Select a Size

QTY

Update

$4.00 for 1

$4.00 ea.

Dimensions

Height: 0.625"
Wall: 0.065"
Gauge: 16 Gauge

Click for more details

5/8" x 5/8" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized-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

5/8" x 5/8" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized-deskmp-00005374

5/8" x 5/8" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized Part # mp-00005374

Dimensions

Height: 0.625"
Wall: 0.065"
Gauge: 16 Gauge

Select a Size

12″ (1 ft.) - $4.00 ea.
24″ (2 ft.) - $5.60 ea.
36″ (3 ft.) - $8.40 ea.
48″ (4 ft.) - $11.20 ea.
60″ (5 ft.) - $14.00 ea.
72″ (6 ft.) - $16.80 ea.

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

5/8" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear Part # mp-00064154

Sold & Shipped by K-Mac Distribution

Select a Size

QTY

Update

$37.17 for 1

$37.17 ea.

Dimensions

Height: 0.625"
Wall: 0.125"
Color: Clear
Tolerance: Wall Thickness Tolerance : +/-.008"

Click for more details

5/8" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

5/8" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear-deskmp-00064154

5/8" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear Part # mp-00064154

Dimensions

Height: 0.625"
Wall: 0.125"
Color: Clear
Tolerance: Wall Thickness Tolerance : +/-.008"

Select a Size

48″ (4 ft.) - $37.17 ea.

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

3/4" x 0.093" Brass Square Tube 385/280-H58 Part # 24314

Select a Size or Custom Cut

QTY

Update

$43.65 for 1

$43.65 ea.

Dimensions

Height: 0.75"
Wall: 0.093"

Click for more details

brass-square-tube-272-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

brass-square-tube-272-1superZoom-desk24314

3/4" x 0.032" Brass Square Tube 272-H80 Part # 21643

Select a Size or Custom Cut

QTY

Update

$17.17 for 1

$17.17 ea.

Dimensions

Height: 0.75"
Wall: 0.032"

Click for more details

brass-square-tube-272-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B135

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

brass-square-tube-272-1superZoom-desk21643

3/4" x 0.05" Brass Square Tube 272-H80 Part # 21647

Select a Size or Custom Cut

QTY

Update

$28.14 for 1

$28.14 ea.

Dimensions

Height: 0.75"
Wall: 0.05"

Click for more details

brass-square-tube-272-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B135

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

brass-square-tube-272-1superZoom-desk21647

3/4" x 0.065" Brass Square Tube 272-H80 Part # 21947

Select a Size or Custom Cut

QTY

Update

$32.00 for 1

$32.00 ea.

Dimensions

Height: 0.75"
Wall: 0.065"

Click for more details

brass-square-tube-272-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B135

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

brass-square-tube-272-1superZoom-desk21947

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

$4.50 for 1

$4.50 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 0.062" Aluminum Square Tube 6061-T6-Extruded Part # 18011

Select a Size or Custom Cut

QTY

Update

$4.50 for 1

$4.50 ea.

Dimensions

Height: 0.75"
Wall: 0.062"

Click for more details

aluminum-square-tube-6061-t6-extruded-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B221

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

aluminum-square-tube-6061-t6-extruded-1superZoom-desk18011

3/4" x 0.065" Aluminum Square Tube 6063-T52-Extruded Part # 1191

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

aluminum-square-tube-6063-t52-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B221

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

aluminum-square-tube-6063-t52-1superZoom-desk1191

3/4" x 1/8" Aluminum Square Tube 6063-T52-Extruded Part # 6887

Select a Size or Custom Cut

QTY

Update

$2.17 for 1

$2.17 ea.

Dimensions

Height: 0.75"
Wall: 0.125"

Click for more details

aluminum-square-tube-6063-t52-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B221

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

aluminum-square-tube-6063-t52-1superZoom-desk6887

3/4" x 0.065" Stainless Square Tube 304 Welded Part # 524

Select a Size or Custom Cut

QTY

Update

$13.14 for 1

$13.14 ea.

Dimensions

Height: 0.75"
Wall: 0.065"

Click for more details

stainless-square-tube-304-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

stainless-square-tube-304-1superZoom-desk524

3/4" x 0.12" Alloy Steel Square Tube 4130-Cond. N Cold Drawn Seamless Part # 28108

Select a Cut Size

QTY

Update

$48.33 for 1

$48.33 ea.

Dimensions

Height: 0.75"
Wall: 0.12"

Click for more details

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

Key Features

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk28108

3/4" x 0.065" Alloy Steel Square Tube 4130-Cond. N Cold Drawn Seamless Part # 28107

Select a Cut Size

QTY

Update

$38.90 for 1

$38.90 ea.

Dimensions

Height: 0.75"
Wall: 0.065"

Click for more details

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

Key Features

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk28107

3/4" x 0.035" Alloy Steel Square Tube 4130-Cond. N Cold Drawn Seamless Part # 28106

Select a Cut Size

QTY

Update

$29.65 for 1

$29.65 ea.

Dimensions

Height: 0.75"
Wall: 0.035"

Click for more details

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

Key Features

FREE MTR Available

View more product details

Click for more details

mild-steel-square-tube-hot-rolled-a500-1superZoom-desk28106

3/4" x 3/4" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized Part # mp-00005373

Sold & Shipped by Competitive Metals

Select a Size

QTY

Update

$4.00 for 1

$4.00 ea.

Dimensions

Height: 0.75"
Wall: 0.065"
Gauge: 16 Gauge

Click for more details

3/4" x 3/4" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized-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

3/4" x 3/4" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized-deskmp-00005373

3/4" x 3/4" x 16 Gauge Carbon Steel Square Tube ASTM A653 Pre-Galvanized Part # mp-00005373

Dimensions

Height: 0.75"
Wall: 0.065"
Gauge: 16 Gauge

Select a Size

12″ (1 ft.) - $4.00 ea.
24″ (2 ft.) - $6.80 ea.
36″ (3 ft.) - $10.20 ea.
48″ (4 ft.) - $13.60 ea.
60″ (5 ft.) - $17.00 ea.
72″ (6 ft.) - $20.40 ea.

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

3/4" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear Part # mp-00064149

Sold & Shipped by K-Mac Distribution

Select a Size

QTY

Update

$36.29 for 1

$36.29 ea.

Dimensions

Height: 0.75"
Wall: 0.125"
Color: Clear
Tolerance: Wall Thickness Tolerance : +/-.008"

Click for more details

3/4" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

3/4" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear-deskmp-00064149

3/4" OD x 1/8" Wall Polycarbonate Square Tube Extruded Clear Part # mp-00064149

Dimensions

Height: 0.75"
Wall: 0.125"
Color: Clear
Tolerance: Wall Thickness Tolerance : +/-.008"

Select a Size

48″ (4 ft.) - $36.29 ea.

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

3/4" OD x 1/16" Wall Polycarbonate Square Tube Extruded Clear Part # mp-00064155

Sold & Shipped by K-Mac Distribution

Select a Size

QTY

Update

$75.45 for 1

$75.45 ea.

Dimensions

Height: 0.75"
Wall: 0.062"
Color: Clear
Tolerance: Wall Thickness Tolerance : +/-.008"

Click for more details

3/4" OD x 1/16" Wall Polycarbonate Square Tube Extruded Clear-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

3/4" OD x 1/16" Wall Polycarbonate Square Tube Extruded Clear-deskmp-00064155

3/4" OD x 1/16" Wall Polycarbonate Square Tube Extruded Clear Part # mp-00064155

Dimensions

Height: 0.75"
Wall: 0.062"
Color: Clear
Tolerance: Wall Thickness Tolerance : +/-.008"

Select a Size

72″ (6 ft.) - $75.45 ea.

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

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.
72″ (6 ft.) - $16.06 ea.
240″ (20 ft.) - $52.00 ea.

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

3/4" x 1/8" Wall Acrylic Square Tube - Clear Part # mp-00064811

Sold & Shipped by K-Mac Distribution

Select a Size

QTY

Update

$49.75 for 1

$49.75 ea.

Dimensions

Height: 0.75"
Wall: 0.125"
Color: Clear
Tolerance: Square Tolerance +/- .015"

Click for more details

3/4" x 1/8" Wall Acrylic Square Tube - Clear-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Returns Acceptable.

View more product details

Click for more details

3/4" x 1/8" Wall Acrylic Square Tube - Clear-deskmp-00064811

3/4" x 1/8" Wall Acrylic Square Tube - Clear Part # mp-00064811

Dimensions

Height: 0.75"
Wall: 0.125"
Color: Clear
Tolerance: Square Tolerance +/- .015"

Select a Size

72″ (6 ft.) - $49.75 ea.

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

3/4" x 0.065" No. 4 Finish Stainless Square Tube 304 Welded 60" Length Part # 27472

Pack of 4

QTY

Update

$274.73

$274.73 ea.

Dimensions

Height: 0.75"
Wall: 0.065"

Click for more details

2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-mob{product.code}

Key Features

FREE MTR Available

View more product details

Click for more details

2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-desk27472

3/4" x 0.065" No. 4 Finish Stainless Square Tube 304 Welded 120" Length Part # 27473

Pack of 4

QTY

Update

$406.59

$406.59 ea.

Dimensions

Height: 0.75"
Wall: 0.065"

Click for more details

2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-mob{product.code}

Key Features

FREE MTR Available

View more product details

Click for more details

2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-desk27473

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