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Stainless Steel Rectangle Bar

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Stainless Steel Rectangle Bar

Stainless steel rectangle bar provides dependable strength, corrosion resistance, and versatility for fabrication, framing, structural support, and machine part construction. Its flat, rectangular profile makes it ideal for brackets, fixtures, rails, and general industrial components that require clean edges and consistent dimensions. Available in popular stainless alloys – including 17 4, 303, 304, 316, 321, 410, 416, 420 and 440C – these bars support applications ranging from food and beverage equipment to aerospace, chemical processing, and architectural builds. Offered in full lengths and custom cut sizes to match your project needs.


Applications: Structural framing, supports, brackets, fixtures, machinery parts, architectural components, food processing equipment.


Available Alloys: 17-4 | 303 | 304 | 316 | 321 | 410 | 416 | 420 | 440C


Material Properties

Link Icon Stainless Steel Product Guide | Link Icon Stainless Steel Rectangle Bar Tolerances

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1/4" x 6" No. 4 Finish Stainless Rectangle Bar 304/304L 48" Length Part # 27331

1/4" x 6" No. 4 Finish Stainless Rectangle Bar 304/304L 48" Length -
Part #: 27331

Pack of 3

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
$631.31
$631.31 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 6"
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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-mob{product.code}

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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-desk27331

1/4" x 6" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length Part # 27332

1/4" x 6" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length -
Part #: 27332

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
$1,334.78
$1,334.78 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 6"
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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-mob{product.code}

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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-desk27332

1/4" x 8" No. 4 Finish Stainless Rectangle Bar 304/304L 48" Length Part # 27335

1/4" x 8" No. 4 Finish Stainless Rectangle Bar 304/304L 48" Length -
Part #: 27335

Pack of 3

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
$813.91
$813.91 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 8"
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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-mob{product.code}

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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-desk27335

1/4" x 6" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length Part # 27333

1/4" x 6" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length -
Part #: 27333

Pack of 6

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
$2,164.50
$2,164.50 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 6"
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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-mob{product.code}

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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-desk27333

1/4" x 8" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length Part # 27336

1/4" x 8" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length -
Part #: 27336

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
$1,720.83
$1,720.83 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 8"
Click for more details
2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-mob{product.code}

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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-desk27336

1/4" x 8" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length Part # 27337

1/4" x 8" No. 4 Finish Stainless Rectangle Bar 304/304L 72" Length -
Part #: 27337

Pack of 6

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
$2,790.54
$2,790.54 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 8"
Click for more details
2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-mob{product.code}

Key Features

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2023-02-07-No4Stainless-RectangleBar-1-1000-min-superZoom-desk27337

5/16" x 1 1/4" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18879

5/16" x 1 1/4" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18879
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
$256.25 for 1
$256.25 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 1.25"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

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stainless-rectangle-bar-410-1superZoom-desk18879

5/16" x 1 1/2" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18891

5/16" x 1 1/2" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18891
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
$327.59 for 1
$327.59 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 1.5"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

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stainless-rectangle-bar-410-1superZoom-desk18891

5/16" x 2" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18902

5/16" x 2" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18902
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
$345.62 for 1
$345.62 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 2"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-410-1superZoom-desk18902

5/16" x 2 1/2" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18917

5/16" x 2 1/2" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18917
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
$436.69 for 1
$436.69 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 2.5"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-410-1superZoom-desk18917

5/16" x 3" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18928

5/16" x 3" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18928
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
$516.78 for 1
$516.78 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 3"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-410-1superZoom-desk18928

5/16" x 3 1/2" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18943

5/16" x 3 1/2" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18943
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
$597.04 for 1
$597.04 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 3.5"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-410-1superZoom-desk18943

5/16" x 4" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18954

5/16" x 4" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18954
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
$616.18 for 1
$616.18 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 4"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-410-1superZoom-desk18954

5/16" x 5" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18967

5/16" x 5" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18967
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
$755.90 for 1
$755.90 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 5"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

MTR FREE MTR Available
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stainless-rectangle-bar-410-1superZoom-desk18967

5/16" x 6" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18979

5/16" x 6" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18979
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
$834.30 for 1
$834.30 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 6"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

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stainless-rectangle-bar-410-1superZoom-desk18979

5/16" x 8" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 18999

5/16" x 8" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 18999
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
$1,126.76 for 1
$1,126.76 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 8"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

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stainless-rectangle-bar-410-1superZoom-desk18999

5/16" x 9" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 19007

5/16" x 9" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 19007
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
$1,246.22 for 1
$1,246.22 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 9"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

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stainless-rectangle-bar-410-1superZoom-desk19007

5/16" x 10" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 19019

5/16" x 10" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 19019
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
$1,372.71 for 1
$1,372.71 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 10"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

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stainless-rectangle-bar-410-1superZoom-desk19019

5/16" x 12" Stainless Rectangle Bar 440C Oversize Ground Stock Part # 19031

5/16" x 12" Stainless Rectangle Bar 440C Oversize Ground Stock -
Part #: 19031
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
$1,748.42 for 1
$1,748.42 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 12"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276

Key Features

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stainless-rectangle-bar-410-1superZoom-desk19031

5/16" x 3" Stainless Rectangle Bar 17-4 PH Cond. A HRAP -  Part # 20985

5/16" x 3" Stainless Rectangle Bar 17-4 PH Cond. A HRAP-
Part #: 20985
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5/16" x 1 1/4" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 17693

5/16" x 1 1/4" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 17693
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
$27.27 for 1
$27.27 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 1.25"
Click for more details
stainless-rectangle-bar-303-annealed-cold-drawn-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-5640 , ASTM-A582

Key Features

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stainless-rectangle-bar-303-annealed-cold-drawn-1superZoom-desk17693

5/16" x 2" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 17695

5/16" x 2" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 17695
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
$40.08 for 1
$40.08 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 2"
Click for more details
stainless-rectangle-bar-303-annealed-cold-drawn-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-5640 , ASTM-A582

Key Features

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stainless-rectangle-bar-303-annealed-cold-drawn-1superZoom-desk17695

5/16" x 1" Stainless Rectangle Bar 303-Annealed Cold Drawn Part # 17692

5/16" x 1" Stainless Rectangle Bar 303-Annealed Cold Drawn -
Part #: 17692
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
$21.85 for 1
$21.85 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 1"
Click for more details
stainless-rectangle-bar-303-annealed-cold-drawn-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-5640 , ASTM-A582

Key Features

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stainless-rectangle-bar-303-annealed-cold-drawn-1superZoom-desk17692

5/16" x 1/2" Stainless Rectangle Bar 410 Precision Ground Part # 18638

5/16" x 1/2" Stainless Rectangle Bar 410 Precision Ground -
Part #: 18638
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
$165.94 for 1
$165.94 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 0.5"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240

Key Features

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stainless-rectangle-bar-410-1superZoom-desk18638

5/16" x 3/4" Stainless Rectangle Bar 410 Precision Ground Part # 18644

5/16" x 3/4" Stainless Rectangle Bar 410 Precision Ground -
Part #: 18644
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
$173.93 for 1
$173.93 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 0.75"
Click for more details
stainless-rectangle-bar-410-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A240

Key Features

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stainless-rectangle-bar-410-1superZoom-desk18644

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