Explore OLM Rewards
Deals
Get a Quick Quote!
rectangle-bar-large-new-min-4superZoom

Rectangle Flat Bar

-4543 Products

Known for its utility, rectangle bar stocks are used in a wide range of applications from naval brass to tooling. We carry Rectangle Bar stock in Alloy Steel, Aluminum, Brass, Bronze, Carbon Fiber, Carbon Steel, Cast Iron, Copper, Stainless Steel, and Tool Steel. Most metal flat bar stock or metal bar stock is available in full size and custom cut solid rectangle bar sizes.

Sort by

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

Close

Refine Your Results

Clear Search

Filters

Material

Alloy/Type

Production Method

Surface

Grade

Color

Domestic

Temper

DFARS

seller

Shape

Can't find what you need?

Contact our experienced US-based customer service team for hard-to-source materials.


3mm x 25mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] Part # 24396

3mm x 25mm Stainless Rectangle Bar 304/304L Metric 60" Length [+/- 2"] -
Part #: 24396

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
$104.63
$104.63 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 25mm
Click for more details stainless-rectangle-bar-304-1superZoom
Material Meets These Standard(s): ASTM-A276

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details stainless-rectangle-bar-304-1superZoom

3mm x 6mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24455

3mm x 6mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24455

Pack of 10

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
$101.56
$101.56 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 6mm
Click for more details mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-key-stock-rectangle-1superZoom

3mm x 25mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24458

3mm x 25mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24458

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
$139.94
$139.94 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 25mm
Click for more details mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-key-stock-rectangle-1superZoom

3mm x 20mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24457

3mm x 20mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24457

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
$117.55
$117.55 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 20mm
Click for more details mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-key-stock-rectangle-1superZoom

3mm x 12mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 24456

3mm x 12mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 24456

Pack of 10

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
$131.32
$131.32 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 12mm
Click for more details mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-key-stock-rectangle-1superZoom

3" x 15" Aluminum Bronze Rectangle Bar 954 Cast Oversized Part # 25255

3" x 15" Aluminum Bronze Rectangle Bar 954 Cast Oversized -
Part #: 25255
Select a Cut Size
  • 12″ (1 ft.) - $2,733.40 ea.
  • 24″ (2 ft.) - $5,610.64 ea.
  • 36″ (3 ft.) - $7,768.58 ea.
  • 48″ (4 ft.) - $10,070.39 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.

QTY

Update
$2,733.40 for 1
$2,733.40 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 15"
  • Ships In: 2-3 Business Days From Ohio
Click for more details bronze-rectangle-bar-954-1superZoom
Material Meets These Standard(s): ASTM-B505

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details bronze-rectangle-bar-954-1superZoom

3" x 6" Aluminum Bronze Rectangle Bar 954 Cast Oversized Part # 25254

3" x 6" Aluminum Bronze Rectangle Bar 954 Cast Oversized -
Part #: 25254
Select a Cut Size
  • 12″ (1 ft.) - $1,003.54 ea.
  • 24″ (2 ft.) - $2,059.90 ea.
  • 36″ (3 ft.) - $2,852.15 ea.
  • 48″ (4 ft.) - $3,697.24 ea.
  • 72″ (6 ft.) - $5,292.35 ea.
  • 144″ (12 ft.) - $10,014.25 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.

QTY

Update
$1,003.54 for 1
$1,003.54 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 6"
  • Ships In: 2-3 Business Days From Ohio
Click for more details bronze-rectangle-bar-954-1superZoom
Material Meets These Standard(s): ASTM-B505

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details bronze-rectangle-bar-954-1superZoom

3" x 4" Aluminum Rectangle Bar 2024-T351-Cold Finish Part # 21331

3" x 4" Aluminum Rectangle Bar 2024-T351-Cold Finish -
Part #: 21331
Select a Size or Custom Cut
  • + Create Custom Cut
  • 12″ (1 ft.) - $257.01 ea.
  • 24″ (2 ft.) - $485.78 ea.
  • 36″ (3 ft.) - $717.34 ea.
  • 48″ (4 ft.) - $930.11 ea.
  • 72″ (6 ft.) - $1,282.21 ea.
  • 96″ (8 ft.) - $1,641.81 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.

QTY

Update
$257.01 for 1
$257.01 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 4"
Click for more details aluminum-rectangle-bar-2024-t351-cold-finish-1superZoom

Key Features

CUSTOM CUT FREE MTR AVAILABLE
View more product details
Click for more details aluminum-rectangle-bar-2024-t351-cold-finish-1superZoom

3" x 11" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized Part # 25196

3" x 11" Bearing Bronze Rectangle Bar 932 (SAE 660) Cast Oversized -
Part #: 25196
Select a Cut Size
  • 12″ (1 ft.) - $1,434.85 ea.
  • 24″ (2 ft.) - $2,869.70 ea.
  • 36″ (3 ft.) - $5,270.42 ea.
  • 48″ (4 ft.) - $5,739.39 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.

QTY

Update
$1,434.85 for 1
$1,434.85 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 11"
  • Ships In: 2-3 Business Days From Ohio
Click for more details bronze-rectangle-bar-954-1superZoom
Material Meets These Standard(s): ASTM-B505

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details bronze-rectangle-bar-954-1superZoom

3" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled Part # 25682

3" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled -
Part #: 25682
Select a Cut Size
  • 12″ (1 ft.) - $1,076.41 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.

QTY

Update
$1,076.41 for 1
$1,076.41 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 6"
Click for more details mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): ASTM-A322 , AMS-6415 , ASTM-A108 , AMS-6409 , AMS-6484

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-key-stock-rectangle-1superZoom

3" x 3 1/2" Aluminum Rectangle Bar 6061-T6511-Extruded Part # 26224

3" x 3 1/2" Aluminum Rectangle Bar 6061-T6511-Extruded -
Part #: 26224
Select a Size or Custom Cut
  • + Create Custom Cut
  • 12″ (1 ft.) - $118.41 ea.
  • 24″ (2 ft.) - $224.15 ea.
  • 36″ (3 ft.) - $331.19 ea.
  • 48″ (4 ft.) - $429.77 ea.
  • 72″ (6 ft.) - $594.09 ea.
  • 96″ (8 ft.) - $761.78 ea.
  • 144″ (12 ft.) - $1,051.69 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.

QTY

Update
$118.41 for 1
$118.41 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 3.5"
Click for more details aluminum-rectangle-bar-6061-t6511-extruded-1superZoom

Key Features

CUSTOM CUT FREE MTR AVAILABLE
View more product details
Click for more details aluminum-rectangle-bar-6061-t6511-extruded-1superZoom

3" x 5" Aluminum Rectangle Bar 6061-T6511-Extruded Part # 26347

3" x 5" Aluminum Rectangle Bar 6061-T6511-Extruded -
Part #: 26347
Select a Size or Custom Cut
  • + Create Custom Cut
  • 12″ (1 ft.) - $159.39 ea.
  • 24″ (2 ft.) - $301.77 ea.
  • 36″ (3 ft.) - $445.82 ea.
  • 48″ (4 ft.) - $578.55 ea.
  • 72″ (6 ft.) - $799.78 ea.
  • 96″ (8 ft.) - $1,025.52 ea.
  • 144″ (12 ft.) - $1,415.78 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.

QTY

Update
$159.39 for 1
$159.39 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 5"
Click for more details aluminum-rectangle-bar-6061-t6511-extruded-1superZoom

Key Features

CUSTOM CUT FREE MTR AVAILABLE
View more product details
Click for more details aluminum-rectangle-bar-6061-t6511-extruded-1superZoom

3" x 4" Stainless Rectangle Bar 303-Annealed HRAP Part # 17747

3" x 4" Stainless Rectangle Bar 303-Annealed HRAP -
Part #: 17747
Select a Size or Custom Cut
  • + Create Custom Cut
  • 12″ (1 ft.) - $770.20 ea.
  • 24″ (2 ft.) - $1,455.74 ea.
  • 36″ (3 ft.) - $2,149.76 ea.
  • 48″ (4 ft.) - $2,787.34 ea.
  • 72″ (6 ft.) - $3,842.49 ea.
  • 96″ (8 ft.) - $4,920.18 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.

QTY

Update
$770.20 for 1
$770.20 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 4"
Click for more details stainless-rectangle-bar-303-annealed-hrap-1superZoom
Material Meets These Standard(s): AMS-5640 , ASTM-A582

Key Features

CUSTOM CUT FREE MTR AVAILABLE
View more product details
Click for more details stainless-rectangle-bar-303-annealed-hrap-1superZoom

3" x 5" Stainless Rectangle Bar 303-Annealed HRAP Part # 17748

3" x 5" Stainless Rectangle Bar 303-Annealed HRAP -
Part #: 17748
Select a Size or Custom Cut
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
$1,296.09 for 1
$1,296.09 ea.
Expand Details

Dimensions

  • Thickness: 3"
  • Width: 5"
Click for more details stainless-rectangle-bar-303-annealed-hrap-1superZoom
Material Meets These Standard(s): AMS-5640 , ASTM-A582

Key Features

CUSTOM CUT FREE MTR AVAILABLE
View more product details
Click for more details stainless-rectangle-bar-303-annealed-hrap-1superZoom

3mm x 30mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22380

3mm x 30mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22380

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
$94.26
$94.26 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 30mm
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom

3mm x 40mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22381

3mm x 40mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22381

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
$63.17
$63.17 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 40mm
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom

3mm x 50mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22383

3mm x 50mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22383

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
$79.21
$79.21 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 50mm
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom

3mm x 80mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] Part # 22387

3mm x 80mm Carbon Steel Rectangle Bar 1005/1018 Metric 60" Length [+/- 2"] -
Part #: 22387

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
$126.35
$126.35 ea.
Expand Details

Dimensions

  • Thickness: 3mm
  • Width: 80mm
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom
Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR AVAILABLE
View more product details
Click for more details mild-steel-rectangle-bar-metric-1018-1superZoom

3" x 5" Alloy Steel Rectangle Bar 4130-Normalized -  Part # 27978

3" x 5" Alloy Steel Rectangle Bar 4130-Normalized-
Part #: 27978
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" x 3 1/2" Stainless Rectangle Bar 17-4 PH Cond. A HRAP -  Part # 22095

3" x 3 1/2" Stainless Rectangle Bar 17-4 PH Cond. A HRAP-
Part #: 22095
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" x 6" Tool Steel Rectangle Bar A2 Precision Ground/Milled -  Part # 27669

3" x 6" Tool Steel Rectangle Bar A2 Precision Ground/Milled-
Part #: 27669
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" x 4" Alloy Steel Rectangle Bar 4130-Hot Rolled Normalized -  Part # 28442

3" x 4" Alloy Steel Rectangle Bar 4130-Hot Rolled Normalized-
Part #: 28442
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/32" x 1 1/2" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground Part # mp-00028578

3/32" x 1 1/2" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground -
Part #: mp-00028578
Sold & shipped by Jantz Supply
Select a Cut Size
  • 18″ (18 in.) - $34.81 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.

QTY

Update
$34.81 for 1
$34.81 ea.
Expand Details

Dimensions

  • Thickness: 3/32
  • Width: 1.5"
  • Ships In: 1-3 Business Days
Click for more details

Key Features

View more product details
Click for more details

3/16" x 1 1/2" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground Part # mp-00028589

3/16" x 1 1/2" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground -
Part #: mp-00028589
Sold & shipped by Jantz Supply
Select a Cut Size
  • 18″ (18 in.) - $69.98 ea.
  • 36″ (3 ft.) - $139.96 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.

QTY

Update
$69.98 for 1
$69.98 ea.
Expand Details

Dimensions

  • Thickness: 3/16
  • Width: 1.5"
  • Ships In: 1-3 Business Days
Click for more details

Key Features

View more product details
Click for more details

3/32" x 1" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground Part # mp-00028580

3/32" x 1" Stainless Steel Rectangle Bar 154 CM - Blanchard Ground -
Part #: mp-00028580
Sold & shipped by Jantz Supply
Select a Cut Size
  • 18″ (18 in.) - $34.81 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.

QTY

Update
$34.81 for 1
$34.81 ea.
Expand Details

Dimensions

  • Thickness: 3/32
  • Width: 1"
  • Ships In: 1-3 Business Days
Click for more details

Key Features

View more product details
Click for more details

Can't find what you're looking for?

Contact us for a custom quote