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Alloy Steel Square Bar 4130

-5 Products

4130 alloy steel is a chromium-molybdenum steel known for its good strength, weldability, and resistance to abrasion and impact. Square bars made of 4130 alloy steel are commonly used for structural applications such as frames, gears, fasteners, as well as in the automotive, aerospace, bicycling, and firearm industries where high mechanical properties are required. The square bar shape allows for versatile uses in structural components and fabrication projects.

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1/2" Alloy Steel Square Bar 4130-Normalized - 
Part #: 27782

1/2" Alloy Steel Square Bar 4130-Normalized-
Part #: 27782

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Dimensions

  • Height: 0.5"
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Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/4" Alloy Steel Square Bar 4130-Normalized Cold Drawn - 
Part #: 28034

3/4" Alloy Steel Square Bar 4130-Normalized Cold Drawn-
Part #: 28034

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Dimensions

  • Height: 0.75"
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Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" Alloy Steel Square Bar 4130-Cold Drawn - 
Part #: 29113

1" Alloy Steel Square Bar 4130-Cold Drawn -
Part #: 29113

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Dimensions

  • Height: 1"
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  • 12″ (1 ft.) - $155.07 ea.
  • 24″ (2 ft.) - $301.68 ea.
  • 36″ (3 ft.) - $411.78 ea.
  • 48″ (4 ft.) - $513.45 ea.
  • 72″ (6 ft.) - $725.19 ea.
  • 144″ (12 ft.) - $1,124.32 ea.
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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.
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QTY

$155.07 ea.
$155.07 for 1

1 1/4" Alloy Steel Square Bar 4130-Hardened & Tempered Cold Drawn - 
Part #: 28040

1 1/4" Alloy Steel Square Bar 4130-Hardened & Tempered Cold Drawn-
Part #: 28040

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alloy-steel-square-bar-4142-prehardened-1superZoom

Dimensions

  • Height: 1.25"
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Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/4" Alloy Steel Square Bar 4130-Normalized Cold Drawn - 
Part #: 28794

1 1/4" Alloy Steel Square Bar 4130-Normalized Cold Drawn-
Part #: 28794

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Dimensions

  • Height: 1.25"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

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