FLASH SALE! 20% Off 15-5 Sheet & 15-5 Round Bar | Use code: ALLOY155


Shop all Products
Explore OLM Rewards

Open for Orders 24/7!

Deals
Get a Quick Quote!
square-tube-large-new-min-4superZoom

Square Metal Tube / Tubing

-329 Products

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

alt text here

Sort by

Size
  • Size
  • Price:Low to High
  • Product Name: Z to A
  • Product Name: A to Z

Close

Refine Your Results

Clear Search

Filters

Material

Shape

Alloy/Type

Temper

Production Method

Secondary Shape

Surface

Finish

Grade

Color

Domestic

DFARS

seller

Inside Radius

Online Metals #1 in Freight Shipping!

0.09375" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (2 Pieces) - 
Part #: mp-00000911

0.09375" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (2 Pieces) -
Part #: mp-00000911

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$8.99 ea.
$8.99
Sold and shipped by K&S Precision Metals

0.0625" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (2 Pieces) - 
Part #: mp-00000915

0.0625" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (2 Pieces) -
Part #: mp-00000915

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$6.99 ea.
$6.99
Sold and shipped by K&S Precision Metals

0.15625" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) - 
Part #: mp-00000916

0.15625" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) -
Part #: mp-00000916

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$6.99 ea.
$6.99
Sold and shipped by K&S Precision Metals

0.25" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) - 
Part #: mp-00000917

0.25" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) -
Part #: mp-00000917

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$7.99 ea.
$7.99
Sold and shipped by K&S Precision Metals

0.21875" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) - 
Part #: mp-00000920

0.21875" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) -
Part #: mp-00000920

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$7.99 ea.
$7.99
Sold and shipped by K&S Precision Metals

0.1875" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) - 
Part #: mp-00000921

0.1875" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) -
Part #: mp-00000921

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$7.99 ea.
$7.99
Sold and shipped by K&S Precision Metals

0.25" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) - 
Part #: mp-00000944

0.25" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) -
Part #: mp-00000944

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$6.99 ea.
$6.99
Sold and shipped by K&S Precision Metals

0.125" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) - 
Part #: mp-00000945

0.125" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) -
Part #: mp-00000945

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$4.99 ea.
$4.99
Sold and shipped by K&S Precision Metals

0.09375" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) - 
Part #: mp-00000940

0.09375" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) -
Part #: mp-00000940

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$4.99 ea.
$4.99
Sold and shipped by K&S Precision Metals

0.125" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) - 
Part #: mp-00000914

0.125" OD x 0.014" Wall Brass Square Tube 260 - 12" Long (1 Piece) -
Part #: mp-00000914

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$6.99 ea.
$6.99
Sold and shipped by K&S Precision Metals

0.1875" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) - 
Part #: mp-00000942

0.1875" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) -
Part #: mp-00000942

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$4.99 ea.
$4.99
Sold and shipped by K&S Precision Metals

0.15625" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) - 
Part #: mp-00000941

0.15625" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) -
Part #: mp-00000941

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$4.99 ea.
$4.99
Sold and shipped by K&S Precision Metals

0.21875" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) - 
Part #: mp-00000943

0.21875" OD x 0.014" Wall Aluminum Square Tube 3003 - 12" Long (1 Piece) -
Part #: mp-00000943

Click for more details

Dimensions

  • Wall: 0.014"
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 1

QTY

$4.99 ea.
$4.99
Sold and shipped by K&S Precision Metals

1/4" x 0.032" Brass Square Tube 272-H80 - 
Part #: 21655

1/4" x 0.032" Brass Square Tube 272-H80 -
Part #: 21655

Click for more details

brass-square-tube-272-1superZoom

Dimensions

  • Height: 0.25"
  • Wall: 0.032"
See all available dimensions for this product
  • 12″ (1 ft.) - $5.69 ea.
  • 24″ (2 ft.) - $11.04 ea.
  • 36″ (3 ft.) - $15.09 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $17.16 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $18.80 ea.
  • 72″ (6 ft.) - $26.57 ea.
  • 96″ (8 ft.) - $33.09 ea.
  • 144″ (12 ft.) - $41.18 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$5.69 ea.
$5.69 for 1
SALE! Overstock Clearance Sale!

5/16" x 0.04" Brass Square Tube 272-H80 - 
Part #: 23518

5/16" x 0.04" Brass Square Tube 272-H80 -
Part #: 23518

Click for more details

brass-square-tube-272-1superZoom

Dimensions

  • Height: 0.3125"
  • Wall: 0.04"
See all available dimensions for this product
  • 12″ (1 ft.) - $8.74 ea.
  • 24″ (2 ft.) - $17.00 ea.
  • 36″ (3 ft.) - $23.23 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $26.65 ea.

    Order to avoid UPS additional handling fees

  • 72″ (6 ft.) - $40.89 ea.
  • 96″ (8 ft.) - $50.95 ea.
  • 144″ (12 ft.) - $63.42 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$8.74 ea.
$8.74 for 1

5/16" x 0.025" Brass Square Tube 272-H80 - 
Part #: 21645

5/16" x 0.025" Brass Square Tube 272-H80-
Part #: 21645

Click for more details

brass-square-tube-272-1superZoom

Dimensions

  • Height: 0.3125"
  • Wall: 0.025"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 0.032" Brass Square Tube 272-H80 - 
Part #: 23410

3/8" x 0.032" Brass Square Tube 272-H80 -
Part #: 23410

Click for more details

brass-square-tube-272-1superZoom

Dimensions

  • Height: 0.375"
  • Wall: 0.032"
See all available dimensions for this product
  • 12″ (1 ft.) - $7.94 ea.
  • 24″ (2 ft.) - $15.42 ea.
  • 36″ (3 ft.) - $21.07 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $24.04 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $26.28 ea.
  • 72″ (6 ft.) - $37.10 ea.
  • 96″ (8 ft.) - $46.22 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$7.94 ea.
$7.94 for 1

5mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) - 
Part #: mp-00000913

5mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) -
Part #: mp-00000913

Click for more details

Dimensions

  • Wall: 0.45mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$10.99 ea.
$10.99
Sold and shipped by K&S Precision Metals

3mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) - 
Part #: mp-00000918

3mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) -
Part #: mp-00000918

Click for more details

Dimensions

  • Wall: 0.45mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$8.99 ea.
$8.99
Sold and shipped by K&S Precision Metals

4mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) - 
Part #: mp-00000919

4mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) -
Part #: mp-00000919

Click for more details

Dimensions

  • Wall: 0.45mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$10.99 ea.
$10.99
Sold and shipped by K&S Precision Metals

6mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) - 
Part #: mp-00000922

6mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) -
Part #: mp-00000922

Click for more details

Dimensions

  • Wall: 0.45mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$11.99 ea.
$11.99
Sold and shipped by K&S Precision Metals

2mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) - 
Part #: mp-00000912

2mm OD x 0.45mm Wall Brass Square Tube 260 - 300mm Long (2 Pieces) -
Part #: mp-00000912

Click for more details

Dimensions

  • Wall: 0.45mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 2

QTY

$7.99 ea.
$7.99
Sold and shipped by K&S Precision Metals

1/2" x 0.065" Stainless Square Tube 304 Welded - 
Part #: 6808

1/2" x 0.065" Stainless Square Tube 304 Welded -
Part #: 6808

Click for more details

stainless-square-tube-304-1superZoom

Dimensions

  • Height: 0.5"
  • Wall: 0.065"
See all available dimensions for this product
  • 12″ (1 ft.) - $8.14 ea.
  • 24″ (2 ft.) - $15.84 ea.
  • 36″ (3 ft.) - $21.65 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $24.78 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $26.99 ea.
  • 72″ (6 ft.) - $38.11 ea.
  • 96″ (8 ft.) - $47.48 ea.
  • 240″ (20 ft.) - $98.50 ea. -LTL freight rates apply
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$8.14 ea.
$8.14 for 1

1/2" x 0.063" Aluminum Square Tube 6063-T52-Extruded - 
Part #: 20685

1/2" x 0.063" Aluminum Square Tube 6063-T52-Extruded -
Part #: 20685

Click for more details

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

Dimensions

  • Height: 0.5"
  • Wall: 0.063"
See all available dimensions for this product
  • 12″ (1 ft.) - $4.50 ea.
  • 24″ (2 ft.) - $4.54 ea.
  • 36″ (3 ft.) - $6.21 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $7.18 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $7.73 ea.
  • 72″ (6 ft.) - $10.94 ea.
  • 96″ (8 ft.) - $13.62 ea.
  • 144″ (12 ft.) - $16.94 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$4.50 ea.
$4.50 for 1

1/2" x 0.032" Brass Square Tube 272-H80 - 
Part #: 21641

1/2" x 0.032" Brass Square Tube 272-H80 -
Part #: 21641

Click for more details

brass-square-tube-272-1superZoom

Dimensions

  • Height: 0.5"
  • Wall: 0.032"
See all available dimensions for this product
  • 12″ (1 ft.) - $10.72 ea.
  • 24″ (2 ft.) - $20.90 ea.
  • 36″ (3 ft.) - $28.51 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $32.56 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $35.54 ea.
  • 72″ (6 ft.) - $50.21 ea.
  • 96″ (8 ft.) - $62.52 ea.
  • 144″ (12 ft.) - $77.84 ea.
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.
Create Custom Cut

QTY

$10.72 ea.
$10.72 for 1

Can't find what you're looking for?

Contact us for a custom quote