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

Alloy Steel Rectangle Bar

-243 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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1/2" x 2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19192

1/2" x 2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19192

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

Dimensions

  • Thickness: 0.5"
  • Width: 2"
See all available dimensions for this product
  • 18″ (18 in.) - $154.38 ea.
  • 36″ (3 ft.) - $257.62 ea.
  • 72″ (6 ft.) - $489.17 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.

QTY

$154.38 ea.
$154.38 for 1

1/2" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19201

1/2" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19201

Click for more details

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

Dimensions

  • Thickness: 0.5"
  • Width: 2.5"
See all available dimensions for this product
  • 18″ (18 in.) - $179.25 ea.
  • 36″ (3 ft.) - $299.30 ea.
  • 72″ (6 ft.) - $568.37 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

$179.25 ea.
$179.25 for 1

1/2" x 3" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19212

1/2" x 3" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19212

Click for more details

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

Dimensions

  • Thickness: 0.5"
  • Width: 3"
See all available dimensions for this product
  • 18″ (18 in.) - $204.18 ea.
  • 36″ (3 ft.) - $340.87 ea.
  • 72″ (6 ft.) - $647.41 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

$204.18 ea.
$204.18 for 1

1/2" x 10" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19262

1/2" x 10" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19262

Click for more details

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

Dimensions

  • Thickness: 0.5"
  • Width: 10"
See all available dimensions for this product
  • 18″ (18 in.) - $597.03 ea.
  • 36″ (3 ft.) - $996.74 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

$597.03 ea.
$597.03 for 1

1/2" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn - 
Part #: 25679

1/2" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 25679

Click for more details

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

Dimensions

  • Thickness: 0.5"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $75.08 ea.
  • 24″ (2 ft.) - $146.08 ea.
  • 36″ (3 ft.) - $199.35 ea.
  • 48″ (4 ft.) - $248.57 ea.
  • 72″ (6 ft.) - $351.10 ea.
  • 96″ (8 ft.) - $437.28 ea.
  • 144″ (12 ft.) - $544.35 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

$75.08 ea.
$75.08 for 1

1/2" x 2" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn - 
Part #: 27785

1/2" x 2" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn-
Part #: 27785

Click for more details

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

Dimensions

  • Thickness: 0.5"
  • Width: 2"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

0.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002551

0.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002551

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 8"
See all available dimensions for this product
  • 12″ (1 ft.) - $117.75 ea.
  • 24″ (2 ft.) - $235.51 ea.
  • 36″ (3 ft.) - $353.26 ea.
  • 48″ (4 ft.) - $471.01 ea.
  • 60″ (5 ft.) - $588.77 ea.
  • 72″ (6 ft.) - $706.52 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

$117.75 ea.
$117.75 for 1

0.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002580

0.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002580

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $58.88 ea.
  • 24″ (2 ft.) - $117.75 ea.
  • 36″ (3 ft.) - $176.64 ea.
  • 48″ (4 ft.) - $235.51 ea.
  • 60″ (5 ft.) - $294.39 ea.
  • 72″ (6 ft.) - $353.26 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.
Create Custom Cut

QTY

$58.88 ea.
$58.88 for 1

0.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002575

0.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002575

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $43.96 ea.
  • 24″ (2 ft.) - $87.90 ea.
  • 36″ (3 ft.) - $131.86 ea.
  • 48″ (4 ft.) - $175.80 ea.
  • 60″ (5 ft.) - $219.76 ea.
  • 72″ (6 ft.) - $263.70 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

$43.96 ea.
$43.96 for 1

0.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002594

0.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002594

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 12"
See all available dimensions for this product
  • 12″ (1 ft.) - $175.80 ea.
  • 24″ (2 ft.) - $351.60 ea.
  • 36″ (3 ft.) - $527.40 ea.
  • 48″ (4 ft.) - $703.20 ea.
  • 60″ (5 ft.) - $879.01 ea.
  • 72″ (6 ft.) - $1,054.81 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

$175.80 ea.
$175.80 for 1

0.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002600

0.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002600

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $29.03 ea.
  • 24″ (2 ft.) - $58.05 ea.
  • 36″ (3 ft.) - $87.08 ea.
  • 48″ (4 ft.) - $116.10 ea.
  • 60″ (5 ft.) - $145.12 ea.
  • 72″ (6 ft.) - $174.14 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

$29.03 ea.
$29.03 for 1

0.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002640

0.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002640

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 1.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $22.40 ea.
  • 24″ (2 ft.) - $44.78 ea.
  • 36″ (3 ft.) - $67.17 ea.
  • 48″ (4 ft.) - $89.56 ea.
  • 60″ (5 ft.) - $111.95 ea.
  • 72″ (6 ft.) - $134.34 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

$22.40 ea.
$22.40 for 1

0.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002649

0.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002649

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 6"
See all available dimensions for this product
  • 12″ (1 ft.) - $87.90 ea.
  • 24″ (2 ft.) - $175.80 ea.
  • 36″ (3 ft.) - $263.70 ea.
  • 48″ (4 ft.) - $351.60 ea.
  • 60″ (5 ft.) - $439.50 ea.
  • 72″ (6 ft.) - $527.40 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

$87.90 ea.
$87.90 for 1

0.5" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002651

0.5" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002651

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 1"
See all available dimensions for this product
  • 12″ (1 ft.) - $14.93 ea.
  • 24″ (2 ft.) - $29.85 ea.
  • 36″ (3 ft.) - $44.78 ea.
  • 48″ (4 ft.) - $59.71 ea.
  • 60″ (5 ft.) - $74.63 ea.
  • 72″ (6 ft.) - $89.56 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

$14.93 ea.
$14.93 for 1

0.5" X 5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002650

0.5" X 5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002650

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Thickness: 0.5"
  • Width: 5"
See all available dimensions for this product
  • 12″ (1 ft.) - $73.81 ea.
  • 24″ (2 ft.) - $147.61 ea.
  • 36″ (3 ft.) - $221.42 ea.
  • 48″ (4 ft.) - $295.21 ea.
  • 60″ (5 ft.) - $369.02 ea.
  • 72″ (6 ft.) - $442.82 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

$73.81 ea.
$73.81 for 1

1/2" x 1" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn - 
Part #: 28795

1/2" x 1" Alloy Steel Rectangle Bar 4130-Normalized Cold Drawn-
Part #: 28795

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 0.5"
  • Width: 1"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1/2" x 3" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn - 
Part #: 28842

1/2" x 3" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn-
Part #: 28842

Click for more details

Placeholder for future product image

Dimensions

  • Thickness: 0.5"
  • Width: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5/8" x 6" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19249

5/8" x 6" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19249

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 6"
See all available dimensions for this product
  • 18″ (18 in.) - $391.58 ea.
  • 36″ (3 ft.) - $653.71 ea.
  • 72″ (6 ft.) - $1,241.56 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

$391.58 ea.
$391.58 for 1

5/8" x 4" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19232

5/8" x 4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19232

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 4"
See all available dimensions for this product
  • 18″ (18 in.) - $295.63 ea.
  • 36″ (3 ft.) - $493.66 ea.
  • 72″ (6 ft.) - $937.53 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.

QTY

$295.63 ea.
$295.63 for 1

5/8" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19146

5/8" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19146

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 0.75"
See all available dimensions for this product
  • 18″ (18 in.) - $119.43 ea.
  • 36″ (3 ft.) - $199.30 ea.
  • 72″ (6 ft.) - $378.49 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

$119.43 ea.
$119.43 for 1

5/8" x 1" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19155

5/8" x 1" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19155

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 1"
See all available dimensions for this product
  • 18″ (18 in.) - $126.45 ea.
  • 36″ (3 ft.) - $211.08 ea.
  • 72″ (6 ft.) - $400.95 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

$126.45 ea.
$126.45 for 1

5/8" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19163

5/8" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19163

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 1.25"
See all available dimensions for this product
  • 18″ (18 in.) - $140.13 ea.
  • 36″ (3 ft.) - $233.98 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.

QTY

$140.13 ea.
$140.13 for 1

5/8" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19174

5/8" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19174

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 1.5"
See all available dimensions for this product
  • 18″ (18 in.) - $168.10 ea.
  • 36″ (3 ft.) - $280.75 ea.
  • 72″ (6 ft.) - $533.18 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

$168.10 ea.
$168.10 for 1

5/8" x 2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19193

5/8" x 2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19193

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 2"
See all available dimensions for this product
  • 18″ (18 in.) - $181.35 ea.
  • 36″ (3 ft.) - $302.83 ea.
  • 72″ (6 ft.) - $575.00 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

$181.35 ea.
$181.35 for 1

5/8" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened - 
Part #: 19202

5/8" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened -
Part #: 19202

Click for more details

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

Dimensions

  • Thickness: 0.625"
  • Width: 2.5"
See all available dimensions for this product
  • 18″ (18 in.) - $226.45 ea.
  • 36″ (3 ft.) - $378.02 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.

QTY

$226.45 ea.
$226.45 for 1

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