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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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1.25" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002623

1.25" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002623

Click for more details

Dimensions

  • Thickness: 1.25"
  • Width: 8"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $246.21 ea.
  • 24″ (2 ft.) - $492.41 ea.
  • 36″ (3 ft.) - $738.62 ea.
  • 48″ (4 ft.) - $984.83 ea.
  • 60″ (5 ft.) - $1,231.04 ea.
  • 72″ (6 ft.) - $1,477.24 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

$246.21 ea.
$246.21 for 1
Sold and shipped by MSP Metals

1.25" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002670

1.25" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002670

Click for more details

Dimensions

  • Thickness: 1.25"
  • Width: 12"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $369.31 ea.
  • 24″ (2 ft.) - $738.62 ea.
  • 36″ (3 ft.) - $1,107.93 ea.
  • 48″ (4 ft.) - $1,477.24 ea.
  • 60″ (5 ft.) - $1,846.55 ea.
  • 72″ (6 ft.) - $2,215.86 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

$369.31 ea.
$369.31 for 1
Sold and shipped by MSP Metals

1.25" x 1.5" Alloy Steel Rectangle Bar 4140/4142 - 
Part #: 28769

1.25" x 1.5" Alloy Steel Rectangle Bar 4140/4142-
Part #: 28769

Click for more details

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Dimensions

  • Thickness: 1.25"
  • 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.

1.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002531

1.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002531

Click for more details

Dimensions

  • Thickness: 1.5"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $110.58 ea.
  • 24″ (2 ft.) - $221.17 ea.
  • 36″ (3 ft.) - $331.75 ea.
  • 48″ (4 ft.) - $442.34 ea.
  • 60″ (5 ft.) - $552.92 ea.
  • 72″ (6 ft.) - $663.51 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

$110.58 ea.
$110.58 for 1
Sold and shipped by MSP Metals

1.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002578

1.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002578

Click for more details

Dimensions

  • Thickness: 1.5"
  • Width: 2"
  • 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

1.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002586

1.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002586

Click for more details

Dimensions

  • Thickness: 1.5"
  • Width: 12"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $443.03 ea.
  • 24″ (2 ft.) - $886.07 ea.
  • 36″ (3 ft.) - $1,329.10 ea.
  • 48″ (4 ft.) - $1,772.13 ea.
  • 60″ (5 ft.) - $2,215.17 ea.
  • 72″ (6 ft.) - $2,658.20 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

$443.03 ea.
$443.03 for 1
Sold and shipped by MSP Metals

1.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002602

1.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002602

Click for more details

Dimensions

  • Thickness: 1.5"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $55.64 ea.
  • 24″ (2 ft.) - $111.28 ea.
  • 36″ (3 ft.) - $166.92 ea.
  • 48″ (4 ft.) - $222.56 ea.
  • 60″ (5 ft.) - $278.20 ea.
  • 72″ (6 ft.) - $333.84 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

$55.64 ea.
$55.64 for 1
Sold and shipped by MSP Metals

1.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002605

1.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002605

Click for more details

Dimensions

  • Thickness: 1.5"
  • Width: 4"
  • 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

1.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002607

1.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002607

Click for more details

Dimensions

  • Thickness: 1.5"
  • Width: 8"
  • 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

1.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002637

1.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002637

Click for more details

Dimensions

  • Thickness: 1.5"
  • Width: 6"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $221.86 ea.
  • 24″ (2 ft.) - $443.73 ea.
  • 36″ (3 ft.) - $665.59 ea.
  • 48″ (4 ft.) - $887.46 ea.
  • 60″ (5 ft.) - $1,109.32 ea.
  • 72″ (6 ft.) - $1,331.19 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

$221.86 ea.
$221.86 for 1
Sold and shipped by MSP Metals

1.5" x 3" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn - 
Part #: 28810

1.5" x 3" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn-
Part #: 28810

Click for more details

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Dimensions

  • Thickness: 1.5"
  • Width: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1.75" x 3" Alloy Steel Rectangle Bar 4340 - 
Part #: 23157

1.75" x 3" Alloy Steel Rectangle Bar 4340-
Part #: 23157

Click for more details

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Dimensions

  • Thickness: 1.75"
  • Width: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1.75" x 3" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn - 
Part #: 27944

1.75" x 3" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn-
Part #: 27944

Click for more details

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

Dimensions

  • Thickness: 1.75"
  • Width: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1.75" x 3" Alloy Steel Rectangle Bar 4140-Normalized - 
Part #: 28820

1.75" x 3" Alloy Steel Rectangle Bar 4140-Normalized-
Part #: 28820

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 1.75"
  • Width: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

2" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002563

2" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002563

Click for more details

Dimensions

  • Thickness: 2"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $130.75 ea.
  • 24″ (2 ft.) - $261.51 ea.
  • 36″ (3 ft.) - $392.26 ea.
  • 48″ (4 ft.) - $523.02 ea.
  • 60″ (5 ft.) - $653.77 ea.
  • 72″ (6 ft.) - $784.52 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

$130.75 ea.
$130.75 for 1
Sold and shipped by MSP Metals

2" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002579

2" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002579

Click for more details

Dimensions

  • Thickness: 2"
  • Width: 6"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $261.51 ea.
  • 24″ (2 ft.) - $523.02 ea.
  • 36″ (3 ft.) - $784.52 ea.
  • 48″ (4 ft.) - $1,046.03 ea.
  • 60″ (5 ft.) - $1,307.54 ea.
  • 72″ (6 ft.) - $1,569.05 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

$261.51 ea.
$261.51 for 1
Sold and shipped by MSP Metals

2" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002599

2" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002599

Click for more details

Dimensions

  • Thickness: 2"
  • Width: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $174.57 ea.
  • 24″ (2 ft.) - $349.14 ea.
  • 36″ (3 ft.) - $523.71 ea.
  • 48″ (4 ft.) - $698.28 ea.
  • 60″ (5 ft.) - $872.85 ea.
  • 72″ (6 ft.) - $1,047.42 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

$174.57 ea.
$174.57 for 1
Sold and shipped by MSP Metals

2" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002641

2" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002641

Click for more details

Dimensions

  • Thickness: 2"
  • Width: 8"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $348.45 ea.
  • 24″ (2 ft.) - $696.89 ea.
  • 36″ (3 ft.) - $1,045.34 ea.
  • 48″ (4 ft.) - $1,393.78 ea.
  • 60″ (5 ft.) - $1,742.23 ea.
  • 72″ (6 ft.) - $2,090.67 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

$348.45 ea.
$348.45 for 1
Sold and shipped by MSP Metals

2" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002647

2" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002647

Click for more details

Dimensions

  • Thickness: 2"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $86.94 ea.
  • 24″ (2 ft.) - $173.88 ea.
  • 36″ (3 ft.) - $260.81 ea.
  • 48″ (4 ft.) - $347.75 ea.
  • 60″ (5 ft.) - $434.69 ea.
  • 72″ (6 ft.) - $521.63 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

$86.94 ea.
$86.94 for 1
Sold and shipped by MSP Metals

2" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled - 
Part #: 25681

2" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled -
Part #: 25681

Click for more details

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

Dimensions

  • Thickness: 2"
  • Width: 6"
See all available dimensions for this product
  • 12″ (1 ft.) - $440.54 ea.
  • 44″ (44 in.) - $1,467.42 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $1,594.34 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

$440.54 ea.
$440.54 for 1

2.5" x 3" Alloy Steel Rectangle Bar 4340 - 
Part #: 25393

2.5" x 3" Alloy Steel Rectangle Bar 4340 -
Part #: 25393

Click for more details

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

Dimensions

  • Thickness: 2.5"
  • Width: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $352.39 ea.
  • 24″ (2 ft.) - $666.05 ea.
  • 36″ (3 ft.) - $983.56 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $1,173.76 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $1,275.29 ea.
  • 72″ (6 ft.) - $1,758.05 ea.
  • 96″ (8 ft.) - $2,251.11 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

$352.39 ea.
$352.39 for 1

2.5" X 2.5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002582

2.5" X 2.5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002582

Click for more details

Dimensions

  • Thickness: 2.5"
  • Width: 2.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $153.71 ea.
  • 24″ (2 ft.) - $307.41 ea.
  • 36″ (3 ft.) - $461.12 ea.
  • 48″ (4 ft.) - $614.82 ea.
  • 60″ (5 ft.) - $768.53 ea.
  • 72″ (6 ft.) - $922.23 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

$153.71 ea.
$153.71 for 1
Sold and shipped by MSP Metals

2.5" x 4" Alloy Steel Rectangle Bar 4140-Annealed Cold Drawn - 
Part #: 28485

2.5" x 4" Alloy Steel Rectangle Bar 4140-Annealed Cold Drawn-
Part #: 28485

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 2.5"
  • 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" x 5" Alloy Steel Rectangle Bar 4130-Hot Rolled Normalized - 
Part #: 27978

3" x 5" Alloy Steel Rectangle Bar 4130-Hot Rolled Normalized-
Part #: 27978

Click for more details

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

Dimensions

  • Thickness: 3"
  • Width: 5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" x 4" Alloy Steel Rectangle Bar 4130-Hot Rolled Normalized - 
Part #: 28442

3" x 4" Alloy Steel Rectangle Bar 4130-Hot Rolled Normalized-
Part #: 28442

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 3"
  • Width: 4"
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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