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Alloy Steel Sheet/Plate 4340

-5 Products

Whether you are looking for DIY metal project materials or aluminum for metal working training, the Aluminum Protobox is an excellent and affordable package of quality materials to get you started. Each protobox contains an assortment of aluminum alloys and material shapes, from round rods to flat bars and tubes, with each piece typically measuring smaller than 6" x 12". 

 

Protoboxes are available in 5 lbs., 10 lbs., and 20 lbs. package options, in brass, copper, carbon steel, and stainless steel.

 

ALUMINUM PROTOBOXES ARE MADE WITH A VARIETY OF SHAPES AND LACK TRACEABILITY REGARDING THE ALLOY.

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Aluminum Protobox 10lbs - Sheets Only Part # 28924

Aluminum Protobox 10lbs - Sheets Only -
Part #: 28924

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
$29.30
$29.30 ea.
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Dimensions

  • Ships In: Limit Two Per Customer
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Aluminum Protobox 5lbs - Sheets Only Part # 28923

Aluminum Protobox 5lbs - Sheets Only -
Part #: 28923

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
$14.64
$14.64 ea.
Expand Details

Dimensions

  • Ships In: Limit Two Per Customer
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Key Features

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Aluminum Protobox 5lbs Part # 21886

Aluminum Protobox 5lbs -
Part #: 21886

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
$14.64
$14.64 ea.
Expand Details

Key Features

View more product details
Click for more details aluminum-protobox-1superZoom

Aluminum Protobox 10lbs Part # 21887

Aluminum Protobox 10lbs -
Part #: 21887

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
$29.30
$29.30 ea.
Expand Details

Key Features

View more product details
Click for more details aluminum-protobox-1superZoom

Aluminum Protobox 20lbs Part # 21888

Aluminum Protobox 20lbs -
Part #: 21888

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
$60.90
$60.90 ea.
Expand Details

Key Features

View more product details
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