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New Sizes for 303 Sheet/Plate

Onlinemetals is constantly expanding our selection of size, and now feature 303 in sizes 0.4375", 0.5625", 1.125" & 1.75".


0.25" Carbon Steel Round Bar A36 Hot Rolled Part # 10232

0.25" Carbon Steel Round Bar A36 Hot Rolled -
Part #: 10232
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
$0.68 for 1
$0.68 ea.

Dimensions

  • Diameter: 0.25"
Click for more details
mild-steel-round-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

Key Features

CUSTOM CUT MTR FREE MTR AVAILABLE
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mild-steel-round-bar-hot-rolled-a36-1superZoom-desk10232

0.125" x 0.5" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled Part # 9997

0.125" x 0.5" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled -
Part #: 9997
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
$0.79 for 1
$0.79 ea.

Dimensions

  • Thickness: 0.125"
  • Width: 0.5"
Click for more details
mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

Key Features

CUSTOM CUT MTR FREE MTR AVAILABLE
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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk9997

0.125" x 0.75" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled Part # 9998

0.125" x 0.75" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled -
Part #: 9998
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
$0.92 for 1
$0.92 ea.

Dimensions

  • Thickness: 0.125"
  • Width: 0.75"
Click for more details
mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

Key Features

CUSTOM CUT MTR FREE MTR AVAILABLE
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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk9998

0.25" Carbon Steel Hex Bar 1018 Cold Finish Part # 22537

0.25" Carbon Steel Hex Bar 1018 Cold Finish -
Part #: 22537
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
$0.98 for 1
$0.98 ea.

Dimensions

  • Across Flats: 0.25"
Click for more details
cold-roll-hex-bar-1018-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT
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cold-roll-hex-bar-1018-1superZoom-desk22537

0.1875" x 0.25" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 6811

0.1875" x 0.25" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 6811
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
$0.99 for 1
$0.99 ea.

Dimensions

  • Thickness: 0.1875"
  • Width: 0.25"
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
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mild-steel-key-stock-rectangle-1superZoom-desk6811

0.125" x 0.3125" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7167

0.125" x 0.3125" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7167
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
$1.04 for 1
$1.04 ea.

Dimensions

  • Thickness: 0.125"
  • Width: 0.3125"
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-desk7167

0.1875" Carbon Steel Square Bar 1018 Cold Finish Part # 20658

0.1875" Carbon Steel Square Bar 1018 Cold Finish -
Part #: 20658
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
$1.16 for 1
$1.16 ea.

Dimensions

  • Height: 0.1875"
Click for more details
mild-steel-square-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-square-bar-1018-cold-finish-1superZoom-desk20658

0.125" Carbon Steel Round Bar 1018 Cold Finish Part # 4789

0.125" Carbon Steel Round Bar 1018 Cold Finish -
Part #: 4789
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
$1.24 for 1
$1.24 ea.

Dimensions

  • Diameter: 0.125"
Click for more details
mild-steel-round-bar-1018-1superZoom-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-round-bar-1018-1superZoom-desk4789

0.1875" Carbon Steel Round Bar 1018 Cold Finish Part # 4790

0.1875" Carbon Steel Round Bar 1018 Cold Finish -
Part #: 4790
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
$1.24 for 1
$1.24 ea.

Dimensions

  • Diameter: 0.1875"
Click for more details
mild-steel-round-bar-1018-1superZoom-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-round-bar-1018-1superZoom-desk4790

0.25" Carbon Steel Round Bar 1018 Cold Finish Part # 4791

0.25" Carbon Steel Round Bar 1018 Cold Finish -
Part #: 4791
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
$1.24 for 1
$1.24 ea.

Dimensions

  • Diameter: 0.25"
Click for more details
mild-steel-round-bar-1018-1superZoom-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-round-bar-1018-1superZoom-desk4791

0.125" x 0.25" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 4800

0.125" x 0.25" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 4800
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
$1.30 for 1
$1.30 ea.

Dimensions

  • Thickness: 0.125"
  • Width: 0.25"
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-desk4800

0.1875" x 0.5" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled Part # 10011

0.1875" x 0.5" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled -
Part #: 10011
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
$1.30 for 1
$1.30 ea.

Dimensions

  • Thickness: 0.1875"
  • Width: 0.5"
Click for more details
mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

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-hot-rolled-a36-1superZoom-desk10011

0.25" Carbon Steel Square Bar 1018 Cold Finish Part # 7088

0.25" Carbon Steel Square Bar 1018 Cold Finish -
Part #: 7088
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
$1.35 for 1
$1.35 ea.

Dimensions

  • Height: 0.25"
Click for more details
mild-steel-square-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-square-bar-1018-cold-finish-1superZoom-desk7088

0.125" x 0.375" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 4801

0.125" x 0.375" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 4801
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
$1.41 for 1
$1.41 ea.

Dimensions

  • Thickness: 0.125"
  • Width: 0.375"
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-desk4801

0.125" x 0.5" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 4802

0.125" x 0.5" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 4802
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
$1.41 for 1
$1.41 ea.

Dimensions

  • Thickness: 0.125"
  • Width: 0.5"
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-desk4802

0.375" Carbon Steel Square Bar A36 Hot Rolled Part # 10275

0.375" Carbon Steel Square Bar A36 Hot Rolled -
Part #: 10275
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
$1.42 for 1
$1.42 ea.

Dimensions

  • Height: 0.375"
Click for more details
hot-roll-square-bar-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

Key Features

CUSTOM CUT MTR FREE MTR AVAILABLE
View more product details View more product details
View more product details Click for more details
hot-roll-square-bar-a36-1superZoom-desk10275

0.3125" Carbon Steel Round Bar A36 Hot Rolled Part # 10233

0.3125" Carbon Steel Round Bar A36 Hot Rolled -
Part #: 10233
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
$1.46 for 1
$1.46 ea.

Dimensions

  • Diameter: 0.3125"
Click for more details
mild-steel-round-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

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-round-bar-hot-rolled-a36-1superZoom-desk10233

0.3125" Carbon Steel Hex Bar 1018 Cold Finish Part # 22538

0.3125" Carbon Steel Hex Bar 1018 Cold Finish -
Part #: 22538
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
$1.49 for 1
$1.49 ea.

Dimensions

  • Across Flats: 0.3125"
Click for more details
cold-roll-hex-bar-1018-1superZoom-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
cold-roll-hex-bar-1018-1superZoom-desk22538

0.375" Carbon Steel Round Bar 1018 Cold Finish Part # 4792

0.375" Carbon Steel Round Bar 1018 Cold Finish -
Part #: 4792
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
$1.50 for 1
$1.50 ea.

Dimensions

  • Diameter: 0.375"
Click for more details
mild-steel-round-bar-1018-1superZoom-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-round-bar-1018-1superZoom-desk4792

0.3125" Carbon Steel Round Bar 1018 Cold Finish Part # 21214

0.3125" Carbon Steel Round Bar 1018 Cold Finish -
Part #: 21214
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
$1.58 for 1
$1.58 ea.

Dimensions

  • Diameter: 0.3125"
Click for more details
mild-steel-round-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-round-bar-1018-cold-finish-1superZoom-desk21214

0.375" Carbon Steel Round Bar A36 Hot Rolled Part # 10234

0.375" Carbon Steel Round Bar A36 Hot Rolled -
Part #: 10234
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
$1.62 for 1
$1.62 ea.

Dimensions

  • Diameter: 0.375"
Click for more details
mild-steel-round-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

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-round-bar-hot-rolled-a36-1superZoom-desk10234

0.125" x 1" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled Part # 9999

0.125" x 1" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled -
Part #: 9999
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
$1.62 for 1
$1.62 ea.

Dimensions

  • Thickness: 0.125"
  • Width: 1"
Click for more details
mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

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-hot-rolled-a36-1superZoom-desk9999

0.1875" x 0.75" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled Part # 10012

0.1875" x 0.75" Carbon Steel Rectangle Bar Commercial Quality Hot Rolled -
Part #: 10012
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
$1.66 for 1
$1.66 ea.

Dimensions

  • Thickness: 0.1875"
  • Width: 0.75"
Click for more details
mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A36

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-hot-rolled-a36-1superZoom-desk10012

0.125" Carbon Steel Square Bar 1018 Cold Finish Part # 7087

0.125" Carbon Steel Square Bar 1018 Cold Finish -
Part #: 7087
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
$1.83 for 1
$1.83 ea.

Dimensions

  • Height: 0.125"
Click for more details
mild-steel-square-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-square-bar-1018-cold-finish-1superZoom-desk7087

0.25" x 0.375" Carbon Steel Rectangle Bar 1018 Cold Finish Part # 7461

0.25" x 0.375" Carbon Steel Rectangle Bar 1018 Cold Finish -
Part #: 7461
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
$1.84 for 1
$1.84 ea.

Dimensions

  • Thickness: 0.25"
  • Width: 0.375"
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-desk7461

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