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

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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3/4" x 8" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19257

3/4" x 8" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19257

Click for more details

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

Dimensions

  • Thickness: 0.75"
  • Width: 8"
See all available dimensions for this product
  • 18″ (18 in.) - $759.68 ea.
  • 36″ (3 ft.) - $1,268.26 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

$759.68 ea.
$759.68 for 1

3/4" x 10" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19263

3/4" x 10" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19263

Click for more details

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

Dimensions

  • Thickness: 0.75"
  • Width: 10"
See all available dimensions for this product
  • 18″ (18 in.) - $934.43 ea.
  • 36″ (3 ft.) - $1,559.95 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

$934.43 ea.
$934.43 for 1

3/4" x 1" Alloy Steel Rectangle Bar 4340 - 
Part #: 12788

3/4" x 1" Alloy Steel Rectangle Bar 4340 -
Part #: 12788

Click for more details

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

Dimensions

  • Thickness: 0.75"
  • Width: 1"
See all available dimensions for this product
  • 12″ (1 ft.) - $169.90 ea.
  • 24″ (2 ft.) - $330.60 ea.
  • 36″ (3 ft.) - $451.22 ea.
  • 48″ (4 ft.) - $562.60 ea.
  • 72″ (6 ft.) - $794.64 ea.
  • 84″ (7 ft.) - $447.58 ea.
  • 96″ (8 ft.) - $989.71 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

$169.90 ea.
$169.90 for 1

0.75" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002536

0.75" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002536

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 1"
See all available dimensions for this product
  • 12″ (1 ft.) - $20.80 ea.
  • 24″ (2 ft.) - $41.60 ea.
  • 36″ (3 ft.) - $62.40 ea.
  • 48″ (4 ft.) - $83.20 ea.
  • 60″ (5 ft.) - $104.00 ea.
  • 72″ (6 ft.) - $124.80 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

$20.80 ea.
$20.80 for 1

0.75" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002545

0.75" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002545

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 1.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $30.82 ea.
  • 24″ (2 ft.) - $61.63 ea.
  • 36″ (3 ft.) - $92.45 ea.
  • 48″ (4 ft.) - $123.26 ea.
  • 60″ (5 ft.) - $154.08 ea.
  • 72″ (6 ft.) - $184.90 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

$30.82 ea.
$30.82 for 1

0.75" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002556

0.75" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002556

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $40.83 ea.
  • 24″ (2 ft.) - $81.66 ea.
  • 36″ (3 ft.) - $122.49 ea.
  • 48″ (4 ft.) - $163.32 ea.
  • 60″ (5 ft.) - $204.16 ea.
  • 72″ (6 ft.) - $244.99 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

$40.83 ea.
$40.83 for 1

0.75" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002560

0.75" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002560

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $61.63 ea.
  • 24″ (2 ft.) - $123.26 ea.
  • 36″ (3 ft.) - $184.90 ea.
  • 48″ (4 ft.) - $246.53 ea.
  • 60″ (5 ft.) - $308.16 ea.
  • 72″ (6 ft.) - $369.79 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

$61.63 ea.
$61.63 for 1

0.75" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002572

0.75" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002572

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 12"
See all available dimensions for this product
  • 12″ (1 ft.) - $245.76 ea.
  • 24″ (2 ft.) - $491.52 ea.
  • 36″ (3 ft.) - $737.27 ea.
  • 48″ (4 ft.) - $983.03 ea.
  • 60″ (5 ft.) - $1,228.79 ea.
  • 72″ (6 ft.) - $1,474.55 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

$245.76 ea.
$245.76 for 1

0.75" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002587

0.75" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002587

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 6"
See all available dimensions for this product
  • 12″ (1 ft.) - $122.49 ea.
  • 24″ (2 ft.) - $244.99 ea.
  • 36″ (3 ft.) - $367.48 ea.
  • 48″ (4 ft.) - $489.97 ea.
  • 60″ (5 ft.) - $612.47 ea.
  • 72″ (6 ft.) - $734.96 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

$122.49 ea.
$122.49 for 1

0.75" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002638

0.75" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002638

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $81.66 ea.
  • 24″ (2 ft.) - $163.32 ea.
  • 36″ (3 ft.) - $244.99 ea.
  • 48″ (4 ft.) - $326.65 ea.
  • 60″ (5 ft.) - $408.31 ea.
  • 72″ (6 ft.) - $489.97 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

$81.66 ea.
$81.66 for 1

0.75" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002665

0.75" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002665

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.75"
  • Width: 8"
See all available dimensions for this product
  • 12″ (1 ft.) - $163.32 ea.
  • 24″ (2 ft.) - $326.65 ea.
  • 36″ (3 ft.) - $489.97 ea.
  • 48″ (4 ft.) - $653.30 ea.
  • 60″ (5 ft.) - $816.62 ea.
  • 72″ (6 ft.) - $979.95 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

$163.32 ea.
$163.32 for 1

3/4" x 4" Alloy Steel Rectangle Bar 4140-Annealed - 
Part #: 28128

3/4" x 4" Alloy Steel Rectangle Bar 4140-Annealed-
Part #: 28128

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 0.75"
  • Width: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/4" x 1" Alloy Steel Rectangle Bar 4140-Annealed - 
Part #: 28152

3/4" x 1" Alloy Steel Rectangle Bar 4140-Annealed-
Part #: 28152

Click for more details

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

Dimensions

  • Thickness: 0.75"
  • Width: 1"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/4" x 1 1/2" Alloy Steel Rectangle Bar 4340 - 
Part #: 26418

3/4" x 1 1/2" Alloy Steel Rectangle Bar 4340-
Part #: 26418

Click for more details

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

Dimensions

  • Thickness: 0.75"
  • Width: 1.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/4" x 2" Alloy Steel Rectangle Bar 4140-Annealed - 
Part #: 28436

3/4" x 2" Alloy Steel Rectangle Bar 4140-Annealed-
Part #: 28436

Click for more details

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

Dimensions

  • Thickness: 0.75"
  • Width: 2"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/4" x 4" Alloy Steel Rectangle Bar 4130-Normalized - 
Part #: 28868

3/4" x 4" Alloy Steel Rectangle Bar 4130-Normalized-
Part #: 28868

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 0.75"
  • Width: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/4" x 2" Alloy Steel Rectangle Bar 4130-Heat Treated - 
Part #: 29111

3/4" x 2" Alloy Steel Rectangle Bar 4130-Heat Treated -
Part #: 29111

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 0.75"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $75.17 ea.
  • 24″ (2 ft.) - $146.25 ea.
  • 36″ (3 ft.) - $199.59 ea.
  • 48″ (4 ft.) - $248.87 ea.
  • 72″ (6 ft.) - $351.53 ea.
  • 144″ (12 ft.) - $544.98 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

$75.17 ea.
$75.17 for 1

1" x 2" Alloy Steel Rectangle Bar 4140 - 
Part #: 23254

1" x 2" Alloy Steel Rectangle Bar 4140 -
Part #: 23254

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.) - $78.78 ea.
  • 24″ (2 ft.) - $153.27 ea.
  • 36″ (3 ft.) - $209.20 ea.
  • 72″ (6 ft.) - $368.42 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

$78.78 ea.
$78.78 for 1

1" x 6" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19251

1" x 6" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19251

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 6"
See all available dimensions for this product
  • 18″ (18 in.) - $596.75 ea.
  • 36″ (3 ft.) - $996.29 ea.
  • 72″ (6 ft.) - $1,892.06 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.

QTY

$596.75 ea.
$596.75 for 1

1" x 5" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19242

1" x 5" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19242

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 5"
See all available dimensions for this product
  • 18″ (18 in.) - $579.92 ea.
  • 36″ (3 ft.) - $968.33 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

$579.92 ea.
$579.92 for 1

1" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19223

1" x 3 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19223

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 3.5"
See all available dimensions for this product
  • 18″ (18 in.) - $439.72 ea.
  • 36″ (3 ft.) - $734.11 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

$439.72 ea.
$439.72 for 1

1" x 4" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19234

1" x 4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19234

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 4"
See all available dimensions for this product
  • 18″ (18 in.) - $487.35 ea.
  • 36″ (3 ft.) - $813.67 ea.
  • 72″ (6 ft.) - $1,545.25 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

$487.35 ea.
$487.35 for 1

1" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19176

1" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19176

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 1.5"
See all available dimensions for this product
  • 18″ (18 in.) - $231.98 ea.
  • 36″ (3 ft.) - $387.29 ea.
  • 72″ (6 ft.) - $735.58 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

$231.98 ea.
$231.98 for 1

1" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19184

1" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19184

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 1.75"
See all available dimensions for this product
  • 18″ (18 in.) - $274.10 ea.
  • 36″ (3 ft.) - $457.61 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

$274.10 ea.
$274.10 for 1

1" x 2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19195

1" x 2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19195

Click for more details

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

Dimensions

  • Thickness: 1"
  • Width: 2"
See all available dimensions for this product
  • 18″ (18 in.) - $272.47 ea.
  • 36″ (3 ft.) - $454.82 ea.
  • 72″ (6 ft.) - $863.85 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

$272.47 ea.
$272.47 for 1

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