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Alloy Steel Rectangle Bar

-252 Products

Alloy Steel Product Guide Product   | Alloy Steel Rectangle Bar Tolerances product

We carry Alloy Steel Rectangle/Flat Bar in 4142 Prehardened (Chromoly) and 4340. Alloy steel rectangle/flat bar stock is available in full size and custom cut lengths.

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1" x 2.5" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19204

1" x 2.5" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19204

Click for more details

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Dimensions

  • Thickness: 1"
  • Width: 2.5"
See all available dimensions for this product
  • 18″ (18 in.) - $333.15 ea.
  • 36″ (3 ft.) - $556.25 ea.

    Buy 4 at the 12 ft price!

  • 72″ (6 ft.) - $1,056.40 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

$333.15 ea.
$333.15 for 1

1" x 3" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19215

1" x 3" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19215

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 3"
See all available dimensions for this product
  • 18″ (18 in.) - $341.75 ea.
  • 36″ (3 ft.) - $570.65 ea.

    Buy 4 at the 12 ft price!

  • 72″ (6 ft.) - $1,083.66 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

$341.75 ea.
$341.75 for 1

1" x 8" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19258

1" x 8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19258

Click for more details

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Dimensions

  • Thickness: 1"
  • Width: 8"
See all available dimensions for this product
  • 18″ (18 in.) - $932.83 ea.
  • 36″ (3 ft.) - $1,557.34 ea.

    Buy 4 at the 12 ft price!
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

$932.83 ea.
$932.83 for 1

1" x 10" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19264

1" x 10" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19264

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 10"
See all available dimensions for this product
  • 18″ (18 in.) - $1,128.72 ea.
  • 36″ (3 ft.) - $1,884.41 ea.

    Buy 4 at the 12 ft price!
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

$1,128.72 ea.
$1,128.72 for 1

1" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn - 
Part #: 25673

1" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 25673

Click for more details

mild-steel-key-stock-rectangle-1superZoom

Dimensions

  • Thickness: 1"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $155.77 ea.
  • 24″ (2 ft.) - $303.03 ea.
  • 36″ (3 ft.) - $413.63 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $474.43 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $515.72 ea.
  • 72″ (6 ft.) - $728.44 ea.
  • 96″ (8 ft.) - $907.24 ea.
  • 144″ (12 ft.) - $1,129.34 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

$155.77 ea.
$155.77 for 1

1" x 2" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn - 
Part #: 28046

1" x 2" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn-
Part #: 28046

Click for more details

mild-steel-key-stock-rectangle-1superZoom

Dimensions

  • Thickness: 1"
  • Width: 2"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" X 3". Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002554

1" X 3". Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002554

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $73.72 ea.
  • 24″ (2 ft.) - $147.45 ea.
  • 36″ (3 ft.) - $221.17 ea.
  • 48″ (4 ft.) - $294.89 ea.
  • 60″ (5 ft.) - $368.62 ea.
  • 72″ (6 ft.) - $442.34 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.
Create Custom Cut

QTY

$73.72 ea.
$73.72 for 1
Sold and shipped by MSP Metals

1" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002566

1" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002566

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $49.38 ea.
  • 24″ (2 ft.) - $98.76 ea.
  • 36″ (3 ft.) - $148.14 ea.
  • 48″ (4 ft.) - $197.52 ea.
  • 60″ (5 ft.) - $246.90 ea.
  • 72″ (6 ft.) - $296.28 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.
Create Custom Cut

QTY

$49.38 ea.
$49.38 for 1
Sold and shipped by MSP Metals

1" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002595

1" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002595

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 6"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $147.45 ea.
  • 24″ (2 ft.) - $294.89 ea.
  • 36″ (3 ft.) - $442.34 ea.
  • 48″ (4 ft.) - $589.78 ea.
  • 60″ (5 ft.) - $737.23 ea.
  • 72″ (6 ft.) - $884.68 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.
Create Custom Cut

QTY

$147.45 ea.
$147.45 for 1
Sold and shipped by MSP Metals

1" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002628

1" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002628

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $98.76 ea.
  • 24″ (2 ft.) - $197.52 ea.
  • 36″ (3 ft.) - $296.28 ea.
  • 48″ (4 ft.) - $395.04 ea.
  • 60″ (5 ft.) - $493.81 ea.
  • 72″ (6 ft.) - $592.57 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.
Create Custom Cut

QTY

$98.76 ea.
$98.76 for 1
Sold and shipped by MSP Metals

1" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002639

1" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002639

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 12"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $295.59 ea.
  • 24″ (2 ft.) - $591.18 ea.
  • 36″ (3 ft.) - $886.76 ea.
  • 48″ (4 ft.) - $1,182.35 ea.
  • 60″ (5 ft.) - $1,477.94 ea.
  • 72″ (6 ft.) - $1,773.53 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.
Create Custom Cut

QTY

$295.59 ea.
$295.59 for 1
Sold and shipped by MSP Metals

1" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002646

1" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002646

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 8"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $196.83 ea.
  • 24″ (2 ft.) - $393.65 ea.
  • 36″ (3 ft.) - $590.48 ea.
  • 48″ (4 ft.) - $787.31 ea.
  • 60″ (5 ft.) - $984.13 ea.
  • 72″ (6 ft.) - $1,180.96 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.
Create Custom Cut

QTY

$196.83 ea.
$196.83 for 1
Sold and shipped by MSP Metals

1" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002657

1" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002657

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $36.86 ea.
  • 24″ (2 ft.) - $73.72 ea.
  • 36″ (3 ft.) - $110.58 ea.
  • 48″ (4 ft.) - $147.45 ea.
  • 60″ (5 ft.) - $184.31 ea.
  • 72″ (6 ft.) - $221.17 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.
Create Custom Cut

QTY

$36.86 ea.
$36.86 for 1
Sold and shipped by MSP Metals

1" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002652

1" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002652

Click for more details

Dimensions

  • Thickness: 1"
  • Width: 1"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $24.34 ea.
  • 24″ (2 ft.) - $48.69 ea.
  • 36″ (3 ft.) - $73.03 ea.
  • 48″ (4 ft.) - $97.37 ea.
  • 60″ (5 ft.) - $121.71 ea.
  • 72″ (6 ft.) - $146.06 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.
Create Custom Cut

QTY

$24.34 ea.
$24.34 for 1
Sold and shipped by MSP Metals

1" x 2.5" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn - 
Part #: 28207

1" x 2.5" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn-
Part #: 28207

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 1"
  • Width: 2.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn - 
Part #: 29064

1" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn-
Part #: 29064

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 1"
  • Width: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" x 2.5" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn - 
Part #: 28444

1" x 2.5" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn-
Part #: 28444

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 1"
  • Width: 2.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" x 4" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn - 
Part #: 28867

1" x 4" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn-
Part #: 28867

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 1"
  • Width: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" x 1.5" Alloy Steel Rectangle Bar 4140-Annealed Cold Drawn - 
Part #: 28901

1" x 1.5" Alloy Steel Rectangle Bar 4140-Annealed Cold Drawn -
Part #: 28901

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 1"
  • Width: 1.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $122.97 ea.
  • 24″ (2 ft.) - $239.25 ea.
  • 36″ (3 ft.) - $326.55 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $407.16 ea.
  • 72″ (6 ft.) - $575.08 ea.
  • 144″ (12 ft.) - $891.60 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.
Create Custom Cut

QTY

$122.97 ea.
$122.97 for 1

1" x 6" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn - 
Part #: 28948

1" x 6" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn-
Part #: 28948

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 1"
  • Width: 6"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1.25" x 4" Alloy Steel Rectangle Bar 4340 - 
Part #: 27859

1.25" x 4" Alloy Steel Rectangle Bar 4340-
Part #: 27859

Click for more details

mild-steel-key-stock-rectangle-1superZoom

Dimensions

  • Thickness: 1.25"
  • Width: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1.25" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002550

1.25" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002550

Click for more details

Dimensions

  • Thickness: 1.25"
  • Width: 6"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $185.00 ea.
  • 24″ (2 ft.) - $370.01 ea.
  • 36″ (3 ft.) - $555.01 ea.
  • 48″ (4 ft.) - $740.01 ea.
  • 60″ (5 ft.) - $925.02 ea.
  • 72″ (6 ft.) - $1,110.02 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.
Create Custom Cut

QTY

$185.00 ea.
$185.00 for 1
Sold and shipped by MSP Metals

1.25" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002553

1.25" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002553

Click for more details

Dimensions

  • Thickness: 1.25"
  • Width: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $123.10 ea.
  • 24″ (2 ft.) - $246.21 ea.
  • 36″ (3 ft.) - $369.31 ea.
  • 48″ (4 ft.) - $492.41 ea.
  • 60″ (5 ft.) - $615.52 ea.
  • 72″ (6 ft.) - $738.62 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.
Create Custom Cut

QTY

$123.10 ea.
$123.10 for 1
Sold and shipped by MSP Metals

1.25" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002593

1.25" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002593

Click for more details

Dimensions

  • Thickness: 1.25"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $61.90 ea.
  • 24″ (2 ft.) - $123.80 ea.
  • 36″ (3 ft.) - $185.70 ea.
  • 48″ (4 ft.) - $247.60 ea.
  • 60″ (5 ft.) - $309.50 ea.
  • 72″ (6 ft.) - $371.40 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.
Create Custom Cut

QTY

$61.90 ea.
$61.90 for 1
Sold and shipped by MSP Metals

1.25" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002619

1.25" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002619

Click for more details

Dimensions

  • Thickness: 1.25"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $92.50 ea.
  • 24″ (2 ft.) - $185.00 ea.
  • 36″ (3 ft.) - $277.50 ea.
  • 48″ (4 ft.) - $370.01 ea.
  • 60″ (5 ft.) - $462.51 ea.
  • 72″ (6 ft.) - $555.01 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.
Create Custom Cut

QTY

$92.50 ea.
$92.50 for 1
Sold and shipped by MSP Metals

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