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Carbon Steel Rectangle Bar 1018

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09-07-2025 - carbon steel bar-rectangle 1018 - 1000x1000superZoom-main

Carbon Steel Rectangle Bar 1018

Carbon Steel Rectangle/Flat Bar 1018 is normally used for machine, automotive, tool, and ornamental applications. 1018 steel is the most commonly available of the cold-rolled steels. It has a good combination of all of the typical traits of steel - strength, some ductility, and comparative ease of welding and machining. 1018 rectangle/flat bar stock is available in full size and custom cut lengths.

 

We also carry Metric 1018 rectangle bar.

 

Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Hot Roll vs Cold Roll Steel

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Material Properties

Link Icon Carbon Steel 1018 Product Guide | Link Icon Carbon Steel 1018 Rectangle Bar Tolerances

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5/16" x 6" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12042

5/16" x 6" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12042
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
$221.82 for 1
$221.82 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 6"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
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tool-steel-rectangle-bar-1018-1superZoom-desk12042

5/16" x 7" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12043

5/16" x 7" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12043
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
$259.06 for 1
$259.06 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 7"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
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tool-steel-rectangle-bar-1018-1superZoom-desk12043

5/16" x 8" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12044

5/16" x 8" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12044
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
$287.75 for 1
$287.75 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 8"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
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tool-steel-rectangle-bar-1018-1superZoom-desk12044

5/16" x 9" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12045

5/16" x 9" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12045
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
$293.51 for 1
$293.51 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 9"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12045

5/16" x 10" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12046

5/16" x 10" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12046
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
$346.85 for 1
$346.85 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 10"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12046

5/16" x 12" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12047

5/16" x 12" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12047
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
$398.81 for 1
$398.81 ea.

Dimensions

  • Thickness: 0.3125"
  • Width: 12"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12047

3/8" x 1/2" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7482

3/8" x 1/2" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7482
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
$5.03 for 1
$5.03 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 0.5"
Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-desk7482

3/8" x 2" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7490

3/8" x 2" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7490
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
$15.95 for 1
$15.95 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 2"
Click for more details
mild-steel-key-stock-rectangle-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
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mild-steel-key-stock-rectangle-1superZoom-desk7490

3/8" x 3" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7493

3/8" x 3" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7493
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
$24.79 for 1
$24.79 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 3"
Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-desk7493

3/8" x 4" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7495

3/8" x 4" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7495
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
$29.79 for 1
$29.79 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 4"
Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-desk7495

3/8" x 5" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7496

3/8" x 5" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7496
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
$40.18 for 1
$40.18 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 5"
Click for more details
mild-steel-key-stock-rectangle-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom-desk7496

3/8" x 6" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7497

3/8" x 6" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7497
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
$50.54 for 1
$50.54 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 6"
Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-desk7497

3/8" x 3/4" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7484

3/8" x 3/4" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7484
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
$7.45 for 1
$7.45 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 0.75"
Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-desk7484

3/8" x 7/8" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7485

3/8" x 7/8" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7485
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
$11.29 for 1
$11.29 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 0.875"
Click for more details
mild-steel-key-stock-rectangle-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom-desk7485

3/8" x 1" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7486

3/8" x 1" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7486
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
$8.14 for 1
$8.14 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 1"
Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-desk7486

3/8" x 1 1/4" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7487

3/8" x 1 1/4" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7487
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
$12.11 for 1
$12.11 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 1.25"
Click for more details
mild-steel-key-stock-rectangle-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom-desk7487

3/8" x 1 1/2" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7488

3/8" x 1 1/2" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7488
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
$13.24 for 1
$13.24 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 1.5"
Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
mild-steel-rectangle-bar-1018-cold-finish-1superZoom-desk7488

3/8" x 2 1/4" Carbon Steel Rectangle Bar 1018 Cold Finish -  Part # 21287

3/8" x 2 1/4" Carbon Steel Rectangle Bar 1018 Cold Finish-
Part #: 21287
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 12" Carbon Steel Rectangle Bar 1018 Cold Finish -  Part # 22120

3/8" x 12" Carbon Steel Rectangle Bar 1018 Cold Finish-
Part #: 22120
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" x 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12093

3/8" x 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12093
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
$55.66 for 1
$55.66 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 0.5"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12093

3/8" x 3/4" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12094

3/8" x 3/4" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12094
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
$61.37 for 1
$61.37 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 0.75"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12094

3/8" x 1 1/4" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12096

3/8" x 1 1/4" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12096
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
$79.26 for 1
$79.26 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 1.25"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12096

3/8" x 1" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12095

3/8" x 1" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12095
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
$72.20 for 1
$72.20 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 1"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12095

3/8" x 2" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12098

3/8" x 2" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12098
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
$101.68 for 1
$101.68 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 2"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12098

3/8" x 2 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground Part # 12099

3/8" x 2 1/2" Carbon Steel Rectangle Bar 1018 Precision Ground -
Part #: 12099
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
$121.91 for 1
$121.91 ea.

Dimensions

  • Thickness: 0.375"
  • Width: 2.5"
Click for more details
tool-steel-rectangle-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A681

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
tool-steel-rectangle-bar-1018-1superZoom-desk12099

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