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Stainless Steel Square Tube / Tubing

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Stainless Steel Square Tube / Tubing

Known for its corrosion resistance, stainless square tubing is a popular choice for railings and fencing. We carry welded stainless steel square tube in 304 and 316. You can order our square steel tubing in sizes of 1ft, 2ft, 3ft, 4ft, 5ft, 6ft, 7ft, 8ft, and 20ft. When considering square tubing sizes, you'll also want to note the outer dimensions (height) and wall thickness. Price and order online today and enjoy the convenience of having the stainless steel square tubing you need delivered directly to you.

 

Relevant Knowledge Hub Resources: Understanding Steel | The Weldability of Stainless Steel

Material Properties

Link Icon Stainless Steel Product Guide | Link Icon Stainless Steel Square Tube Tolerances

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3" x 0.25" Stainless Square Tube 304 Welded Part # 540

3" x 0.25" Stainless Square Tube 304 Welded -
Part #: 540
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.

QTY

Update
$105.51 for 1
$105.51 ea.

Dimensions

  • Height: 3"
  • Wall: 0.25"
Click for more details
stainless-square-tube-304-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-square-tube-304-1superZoom-desk540

3" x 0.18" Stainless Square Tube 304 Welded Part # 539

3" x 0.18" Stainless Square Tube 304 Welded -
Part #: 539
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.

QTY

Update
$96.35 for 1
$96.35 ea.

Dimensions

  • Height: 3"
  • Wall: 0.18"
Click for more details
stainless-square-tube-304-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-square-tube-304-1superZoom-desk539

3" x 0.12" Stainless Square Tube 316 Welded Part # 2234

3" x 0.12" Stainless Square Tube 316 Welded -
Part #: 2234
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.

QTY

Update
$135.38 for 1
$135.38 ea.

Dimensions

  • Height: 3"
  • Wall: 0.12"
Click for more details
stainless-square-tube-316-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240(call for availability) , ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-square-tube-316-1superZoom-desk2234

3" x 0.188" Stainless Square Tube 316 Welded Part # 2235

3" x 0.188" Stainless Square Tube 316 Welded -
Part #: 2235
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.

QTY

Update
$279.98 for 1
$279.98 ea.

Dimensions

  • Height: 3"
  • Wall: 0.188"
Click for more details
stainless-square-tube-316-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240(call for availability) , ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-square-tube-316-1superZoom-desk2235

3" x 0.25" Stainless Square Tube 316 Welded Part # 2236

3" x 0.25" Stainless Square Tube 316 Welded -
Part #: 2236
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.

QTY

Update
$123.59 for 1
$123.59 ea.

Dimensions

  • Height: 3"
  • Wall: 0.25"
Click for more details
stainless-square-tube-316-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240(call for availability) , ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
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stainless-square-tube-316-1superZoom-desk2236

3" x 0.25" No. 4 Finish Stainless Square Tube 304 Welded 60" Length Part # 27491

3" x 0.25" No. 4 Finish Stainless Square Tube 304 Welded 60" Length -
Part #: 27491

Pack of 4

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.

QTY

Update
$1,758.24
$1,758.24 ea.

Dimensions

  • Height: 3"
  • Wall: 0.25"
Click for more details
2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
View more product details View more product details
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2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-desk27491

4" x 0.188" Stainless Square Tube 304 Welded Part # 542

4" x 0.188" Stainless Square Tube 304 Welded -
Part #: 542
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.

QTY

Update
$108.63 for 1
$108.63 ea.

Dimensions

  • Height: 4"
  • Wall: 0.188"
Click for more details
stainless-square-tube-304-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-1superZoom-desk542

4" x 0.25" Stainless Square Tube 304 Welded Part # 543

4" x 0.25" Stainless Square Tube 304 Welded -
Part #: 543
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.

QTY

Update
$109.09 for 1
$109.09 ea.

Dimensions

  • Height: 4"
  • Wall: 0.25"
Click for more details
stainless-square-tube-304-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-1superZoom-desk543

4" x 0.188" Stainless Square Tube 316 Welded Part # 2238

4" x 0.188" Stainless Square Tube 316 Welded -
Part #: 2238
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.

QTY

Update
$89.27 for 1
$89.27 ea.

Dimensions

  • Height: 4"
  • Wall: 0.188"
Click for more details
stainless-square-tube-316-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240(call for availability) , ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-316-1superZoom-desk2238

4" x 0.25" Stainless Square Tube 316 Welded Part # 2239

4" x 0.25" Stainless Square Tube 316 Welded -
Part #: 2239
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.

QTY

Update
$171.72 for 1
$171.72 ea.

Dimensions

  • Height: 4"
  • Wall: 0.25"
Click for more details
stainless-square-tube-316-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240(call for availability) , ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-316-1superZoom-desk2239

4" x 0.12" No. 4 Finish Stainless Square Tube 304 Welded 60" Length Part # 27492

4" x 0.12" No. 4 Finish Stainless Square Tube 304 Welded 60" Length -
Part #: 27492

Pack of 4

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.

QTY

Update
$1,401.10
$1,401.10 ea.

Dimensions

  • Height: 4"
  • Wall: 0.12"
Click for more details
2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-desk27492

4" x 0.25" No. 4 Finish Stainless Square Tube 304 Welded 60" Length Part # 27493

4" x 0.25" No. 4 Finish Stainless Square Tube 304 Welded 60" Length -
Part #: 27493

Pack of 4

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.

QTY

Update
$2,261.90
$2,261.90 ea.

Dimensions

  • Height: 4"
  • Wall: 0.25"
Click for more details
2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-mob{product.code}

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
2023-02-07-No4Stainless-SquareTube-1-1000-min-superZoom-desk27493

5" x 0.188" Stainless Square Tube 304 Welded Part # 19742

5" x 0.188" Stainless Square Tube 304 Welded -
Part #: 19742
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.

QTY

Update
$164.70 for 1
$164.70 ea.

Dimensions

  • Height: 5"
  • Wall: 0.188"
Click for more details
stainless-square-tube-304-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-1superZoom-desk19742

5" x 0.180" Stainless Square Tube 316 Welded -  Part # 28974

5" x 0.180" Stainless Square Tube 316 Welded-
Part #: 28974
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

6" x 0.25" Stainless Square Tube 304 Welded Part # 544

6" x 0.25" Stainless Square Tube 304 Welded -
Part #: 544
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.

QTY

Update
$185.04 for 1
$185.04 ea.

Dimensions

  • Height: 6"
  • Wall: 0.25"
Click for more details
stainless-square-tube-304-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-1superZoom-desk544

6" x 0.18" Stainless Square Tube 304 Welded Part # 26148

6" x 0.18" Stainless Square Tube 304 Welded -
Part #: 26148
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.

QTY

Update
$113.84 for 1
$113.84 ea.

Dimensions

  • Height: 6"
  • Wall: 0.18"
Click for more details
stainless-square-tube-304-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-1superZoom-desk26148

20mm x 1mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22345

20mm x 1mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22345

Pack of 2

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.

QTY

Update
$194.86
$194.86 ea.

Dimensions

  • Height: 20mm
  • Wall: 1mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22345

20mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22346

20mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22346

Pack of 1

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.

QTY

Update
$180.26
$180.26 ea.

Dimensions

  • Height: 20mm
  • Wall: 2mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22346

25mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22347

25mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22347

Pack of 1

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.

QTY

Update
$231.39
$231.39 ea.

Dimensions

  • Height: 25mm
  • Wall: 2mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22347

30mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22348

30mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22348

Pack of 1

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.

QTY

Update
$233.46
$233.46 ea.

Dimensions

  • Height: 30mm
  • Wall: 2mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22348

30mm x 3mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22349

30mm x 3mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22349

Pack of 1

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.

QTY

Update
$336.09
$336.09 ea.

Dimensions

  • Height: 30mm
  • Wall: 3mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22349

35mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22350

35mm x 2mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22350

Pack of 1

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.

QTY

Update
$277.74
$277.74 ea.

Dimensions

  • Height: 35mm
  • Wall: 2mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22350

40mm x 4mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22352

40mm x 4mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22352

Pack of 1

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.

QTY

Update
$498.09
$498.09 ea.

Dimensions

  • Height: 40mm
  • Wall: 4mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22352

40mm x 3mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22351

40mm x 3mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22351

Pack of 1

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.

QTY

Update
$387.43
$387.43 ea.

Dimensions

  • Height: 40mm
  • Wall: 3mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22351

50mm x 3mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] Part # 22353

50mm x 3mm Stainless Square Tube 304 Welded Metric 60" Length [+/- 2"] -
Part #: 22353

Pack of 1

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.

QTY

Update
$525.35
$525.35 ea.

Dimensions

  • Height: 50mm
  • Wall: 3mm
Click for more details
stainless-square-tube-304-metric-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A554

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-square-tube-304-metric-1superZoom-desk22353

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