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Stainless Steel Square Tube

Stainless Steel Square Tube

Stainless steel square tubing is valued for its corrosion resistance, strength, and clean modern appearance, making it a popular choice for railings, frames, supports, and fencing. Welded construction provides uniform shape and reliable performance for architectural, commercial, and industrial applications. Available in 304 for general corrosion resistance and 316 for marine or harsh environments, stainless square tube is stocked in lengths from 1 ft up to 20 ft, with custom cut options for made to fit projects.


Applications: Railings, fencing, frames, supports, enclosures, commercial kitchens, architectural structures.


Available Alloys: 304 | 316


Material Properties

Link IconStainless Steel Product Guide|Link IconStainless Steel Square Tube Tolerances

79 Results

SALE! Select Cut Sizes

1" x 0.065" Stainless Square Tube 304 Welded Part # 525

1" x 0.065" Stainless Square Tube 304 Welded -
Part #: 525
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.

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$15.29 for 1
$15.29 ea.
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  • Height: 1"
  • Wall: 0.065"
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Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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2" x 0.25" Stainless Square Tube 316 Welded Part # 2231

2" x 0.25" Stainless Square Tube 316 Welded -
Part #: 2231
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.

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$130.75 for 1
$130.75 ea.
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  • Height: 2"
  • Wall: 0.25"
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Material Meets These Standard(s): ASTM-A240(call for availability),ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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1/2" x 0.065" Stainless Square Tube 304 Welded Part # 6808

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

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$13.27 for 1
$13.27 ea.
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  • Height: 0.5"
  • Wall: 0.065"
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Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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1 1/2" x 0.12" Stainless Square Tube 304 Welded Part # 530

1 1/2" x 0.12" Stainless Square Tube 304 Welded -
Part #: 530
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.

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$29.06 for 1
$29.06 ea.
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  • Height: 1.5"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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1" x 0.12" Stainless Square Tube 304 Welded Part # 526

1" x 0.12" Stainless Square Tube 304 Welded -
Part #: 526
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.

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$20.42 for 1
$20.42 ea.
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  • Height: 1"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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stainless-square-tube-304-1superZoom

2" x 0.188" Stainless Square Tube 316 Welded Part # 2230

2" x 0.188" Stainless Square Tube 316 Welded -
Part #: 2230
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.

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$91.72 for 1
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  • Height: 2"
  • Wall: 0.188"
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stainless-square-tube-316-1superZoom
Material Meets These Standard(s): ASTM-A240(call for availability),ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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stainless-square-tube-316-1superZoom

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

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

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$14.56 for 1
$14.56 ea.
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  • Height: 0.75"
  • Wall: 0.065"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-304-1superZoom

1 1/4" x 0.12" Stainless Square Tube 304 Welded Part # 528

1 1/4" x 0.12" Stainless Square Tube 304 Welded -
Part #: 528
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.

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$23.67 for 1
$23.67 ea.
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  • Height: 1.25"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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stainless-square-tube-304-1superZoom

2" x 0.18" Stainless Square Tube 304 Welded Part # 534

2" x 0.18" Stainless Square Tube 304 Welded -
Part #: 534
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.

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$54.75 for 1
$54.75 ea.
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  • Height: 2"
  • Wall: 0.18"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-304-1superZoom

2 1/2" x 0.12" Stainless Square Tube 304 Welded Part # 536

2 1/2" x 0.12" Stainless Square Tube 304 Welded -
Part #: 536
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

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$72.19 for 1
$72.19 ea.
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  • Height: 2.5"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-304-1superZoom

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

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$336.09
$336.09 ea.
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  • Height: 30mm
  • Wall: 3mm
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stainless-square-tube-304-1superZoom

Key Features

MTR FREEMTRAvailable
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stainless-square-tube-304-1superZoom

3" x 0.12" Stainless Square Tube 304 Welded Part # 538

3" x 0.12" Stainless Square Tube 304 Welded -
Part #: 538
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

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$66.17 for 1
$66.17 ea.
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  • Height: 3"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-304-1superZoom

2" x 0.12" Stainless Square Tube 304 Welded Part # 533

2" x 0.12" Stainless Square Tube 304 Welded -
Part #: 533
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

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$34.76 for 1
$34.76 ea.
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  • Height: 2"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

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

1 1/2" x 0.065" Stainless Square Tube 304 Welded Part # 529

1 1/2" x 0.065" Stainless Square Tube 304 Welded -
Part #: 529
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

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$17.87 for 1
$17.87 ea.
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Dimensions

  • Height: 1.5"
  • Wall: 0.065"
View more product details Click for more details
stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

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

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

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$130.18 for 1
$130.18 ea.
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  • Height: 3"
  • Wall: 0.12"
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stainless-square-tube-316-1superZoom
Material Meets These Standard(s): ASTM-A240(call for availability),ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-316-1superZoom

2" x 0.12" No. 4 Finish Stainless Square Tube 304 Welded 60" Length Part # 27488

2" x 0.12" No. 4 Finish Stainless Square Tube 304 Welded 60" Length -
Part #: 27488

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
$510.99
$510.99 ea.
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Dimensions

  • Height: 2"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom

Key Features

MTR FREEMTRAvailable
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stainless-square-tube-304-1superZoom

1 1/2" x 0.065" Stainless Square Tube 316 Welded Part # 2225

1 1/2" x 0.065" Stainless Square Tube 316 Welded -
Part #: 2225
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

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$31.08 for 1
$31.08 ea.
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  • Height: 1.5"
  • Wall: 0.065"
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stainless-square-tube-316-1superZoom
Material Meets These Standard(s): ASTM-A240(call for availability),ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-316-1superZoom

1 1/2" x 0.12" Stainless Square Tube 316 Welded Part # 2226

1 1/2" x 0.12" Stainless Square Tube 316 Welded -
Part #: 2226
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

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$64.71 for 1
$64.71 ea.
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  • Height: 1.5"
  • Wall: 0.12"
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stainless-square-tube-316-1superZoom
Material Meets These Standard(s): ASTM-A240(call for availability),ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-316-1superZoom

1 1/4" x 0.065" Stainless Square Tube 304 Welded Part # 527

1 1/4" x 0.065" Stainless Square Tube 304 Welded -
Part #: 527
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

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$15.16 for 1
$15.16 ea.
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Dimensions

  • Height: 1.25"
  • Wall: 0.065"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-304-1superZoom

1 3/4" x 0.12" Stainless Square Tube 304 Welded Part # 23721

1 3/4" x 0.12" Stainless Square Tube 304 Welded -
Part #: 23721
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

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$52.10 for 1
$52.10 ea.
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Dimensions

  • Height: 1.75"
  • Wall: 0.12"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

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

1 1/2" x 0.065" No. 4 Finish Stainless Square Tube 304 Welded 120" Length Part # 27483

1 1/2" x 0.065" No. 4 Finish Stainless Square Tube 304 Welded 120" Length -
Part #: 27483

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
$570.87
$570.87 ea.
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Dimensions

  • Height: 1.5"
  • Wall: 0.065"
View more product details Click for more details
stainless-square-tube-304-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-304-1superZoom

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

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$108.82 for 1
$108.82 ea.
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Dimensions

  • Height: 3"
  • Wall: 0.25"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

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

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

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$324.45 for 1
$324.45 ea.
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Dimensions

  • Height: 3"
  • Wall: 0.188"
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stainless-square-tube-316-1superZoom
Material Meets These Standard(s): ASTM-A240(call for availability),ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
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stainless-square-tube-316-1superZoom

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

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$89.27 for 1
$89.27 ea.
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Dimensions

  • Height: 4"
  • Wall: 0.188"
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stainless-square-tube-316-1superZoom
Material Meets These Standard(s): ASTM-A240(call for availability),ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-316-1superZoom

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

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$170.16 for 1
$170.16 ea.
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Dimensions

  • Height: 6"
  • Wall: 0.18"
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stainless-square-tube-304-1superZoom
Material Meets These Standard(s): ASTM-A554

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
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stainless-square-tube-304-1superZoom

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