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4140

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4140 Product Guide Product   | 4140 Alloy Steel Tolerance Guide product

Alloy Steel 4140 has high strength, high fatigue strength, toughness, torsional strength, and impact and abrasion resistance. Additionally, 4140 steel is highly ductile when annealed, though it requires more pressure as it is tougher than most carbon steels. 4140 is easily welded, but if this is done after hardening, it will also require a post weld heat treatment. This material is typically used in aerospace, oil, gas, automotive, agricultural, and defense industries, specifically gears, shafts, spindles, fixtures, and collars.

 

We offer 4140 in round tube, metric round tube, hex bar, metric hex bar, cold finish hex bar, rectangle bar, round bar, metric round bar, sheet plate, annealed sheet plate, and precision blanks.

 

Relevant Knowledge Hub Resources: 5 Reasons to Cut-to-Size | The Weldability of Steel

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0.25" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002532

0.25" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002532

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 12"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $128.73 ea.
  • 24″ (2 ft.) - $257.46 ea.
  • 36″ (3 ft.) - $386.20 ea.
  • 48″ (4 ft.) - $514.93 ea.
  • 60″ (5 ft.) - $643.66 ea.
  • 72″ (6 ft.) - $772.39 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

$128.73 ea.
$128.73 for 1
Sold and shipped by MSP Metals

0.25" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002591

0.25" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002591

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $15.79 ea.
  • 24″ (2 ft.) - $31.58 ea.
  • 36″ (3 ft.) - $47.37 ea.
  • 48″ (4 ft.) - $63.15 ea.
  • 60″ (5 ft.) - $78.94 ea.
  • 72″ (6 ft.) - $94.73 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

$15.79 ea.
$15.79 for 1
Sold and shipped by MSP Metals

0.25" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002626

0.25" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002626

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $42.51 ea.
  • 24″ (2 ft.) - $85.01 ea.
  • 36″ (3 ft.) - $127.52 ea.
  • 48″ (4 ft.) - $170.02 ea.
  • 60″ (5 ft.) - $212.53 ea.
  • 72″ (6 ft.) - $255.03 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

$42.51 ea.
$42.51 for 1
Sold and shipped by MSP Metals

0.25" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002555

0.25" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002555

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 8"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $86.23 ea.
  • 24″ (2 ft.) - $172.45 ea.
  • 36″ (3 ft.) - $258.68 ea.
  • 48″ (4 ft.) - $344.90 ea.
  • 60″ (5 ft.) - $431.14 ea.
  • 72″ (6 ft.) - $517.36 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

$86.23 ea.
$86.23 for 1
Sold and shipped by MSP Metals

0.25" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002633

0.25" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002633

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $21.86 ea.
  • 24″ (2 ft.) - $43.72 ea.
  • 36″ (3 ft.) - $65.58 ea.
  • 48″ (4 ft.) - $87.44 ea.
  • 60″ (5 ft.) - $109.30 ea.
  • 72″ (6 ft.) - $131.16 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

$21.86 ea.
$21.86 for 1
Sold and shipped by MSP Metals

0.25" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002636

0.25" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002636

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 6"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $64.37 ea.
  • 24″ (2 ft.) - $128.73 ea.
  • 36″ (3 ft.) - $193.10 ea.
  • 48″ (4 ft.) - $257.46 ea.
  • 60″ (5 ft.) - $321.83 ea.
  • 72″ (6 ft.) - $386.20 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

$64.37 ea.
$64.37 for 1
Sold and shipped by MSP Metals

0.25" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002662

0.25" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002662

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $32.80 ea.
  • 24″ (2 ft.) - $65.58 ea.
  • 36″ (3 ft.) - $98.38 ea.
  • 48″ (4 ft.) - $131.16 ea.
  • 60″ (5 ft.) - $163.96 ea.
  • 72″ (6 ft.) - $196.74 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.
Create Custom Cut

QTY

$32.80 ea.
$32.80 for 1
Sold and shipped by MSP Metals

0.25" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002669

0.25" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002669

Click for more details

Dimensions

  • Thickness: 0.25"
  • Width: 1"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $10.94 ea.
  • 24″ (2 ft.) - $21.86 ea.
  • 36″ (3 ft.) - $32.80 ea.
  • 48″ (4 ft.) - $43.72 ea.
  • 60″ (5 ft.) - $54.66 ea.
  • 72″ (6 ft.) - $65.58 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.
Create Custom Cut

QTY

$10.94 ea.
$10.94 for 1
Sold and shipped by MSP Metals

.250" Alloy Steel 4140 Precision Ground/Milled Blanks - 
Part #: mp-00000243

.250" Alloy Steel 4140 Precision Ground/Milled Blanks -
Part #: mp-00000243

Click for more details

Dimensions

  • Thickness: 0.25"
  • Ships In: 1-3 Days
  • Tolerance: All Dimensions +/- .002˝
See all available dimensions for this product
  • 2.0″ X 11.75″ (2.0 X 11.75 in.) - $92.72 ea.
  • 4.0″ X 11.75″ (4.0 X 11.75 in.) - $141.13 ea.
  • 6.0″ X 5.75″ (6.0 X 5.75 in.) - $122.01 ea.
  • 6.0″ X 11.75″ (6.0 X 11.75 in.) - $210.38 ea.
  • 12.0″ X 11.75″ (12.0 X 11.75 in.) - $340.39 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

$92.72 ea.
$92.72 for 1
quantity discountBuy More & Save up to 9% !
Qty
Price ea.
Savings
2-4
$89.94
2%
5-9
$88.08
5%
10+
$83.45
9%
More
Less
Sold and shipped by TCI Precision Metals

0.375" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002614

0.375" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002614

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 6"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $82.35 ea.
  • 24″ (2 ft.) - $164.69 ea.
  • 36″ (3 ft.) - $247.04 ea.
  • 48″ (4 ft.) - $329.39 ea.
  • 60″ (5 ft.) - $411.74 ea.
  • 72″ (6 ft.) - $494.08 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

$82.35 ea.
$82.35 for 1
Sold and shipped by MSP Metals

0.375" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002622

0.375" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002622

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $41.17 ea.
  • 24″ (2 ft.) - $82.35 ea.
  • 36″ (3 ft.) - $123.52 ea.
  • 48″ (4 ft.) - $164.69 ea.
  • 60″ (5 ft.) - $205.87 ea.
  • 72″ (6 ft.) - $247.04 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

$41.17 ea.
$41.17 for 1
Sold and shipped by MSP Metals

0.375" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002620

0.375" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002620

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 2"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $27.79 ea.
  • 24″ (2 ft.) - $55.59 ea.
  • 36″ (3 ft.) - $83.37 ea.
  • 48″ (4 ft.) - $111.17 ea.
  • 60″ (5 ft.) - $138.96 ea.
  • 72″ (6 ft.) - $166.75 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

$27.79 ea.
$27.79 for 1
Sold and shipped by MSP Metals

3/8" x 1" Alloy Steel Rectangle Bar 4140 - 
Part #: 28042

3/8" x 1" Alloy Steel Rectangle Bar 4140-
Part #: 28042

Click for more details

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

Dimensions

  • Thickness: 0.375"
  • Width: 1"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/8" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002485

3/8" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002485

Click for more details

Dimensions

  • Diameter: 0.375"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $5.22 ea.
  • 24″ (2 ft.) - $10.43 ea.
  • 36″ (3 ft.) - $15.65 ea.
  • 48″ (4 ft.) - $20.88 ea.
  • 72″ (6 ft.) - $31.31 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

$5.22 ea.
$5.22 for 1
Sold and shipped by MSP Metals

0.375" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002573

0.375" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002573

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 12"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $163.67 ea.
  • 24″ (2 ft.) - $327.33 ea.
  • 36″ (3 ft.) - $490.99 ea.
  • 48″ (4 ft.) - $654.66 ea.
  • 60″ (5 ft.) - $818.33 ea.
  • 72″ (6 ft.) - $981.99 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

$163.67 ea.
$163.67 for 1
Sold and shipped by MSP Metals

0.375" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002576

0.375" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002576

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 1.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $20.59 ea.
  • 24″ (2 ft.) - $41.17 ea.
  • 36″ (3 ft.) - $61.76 ea.
  • 48″ (4 ft.) - $82.35 ea.
  • 60″ (5 ft.) - $102.93 ea.
  • 72″ (6 ft.) - $123.52 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

$20.59 ea.
$20.59 for 1
Sold and shipped by MSP Metals

0.375" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002601

0.375" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002601

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 8"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $109.11 ea.
  • 24″ (2 ft.) - $218.22 ea.
  • 36″ (3 ft.) - $327.33 ea.
  • 48″ (4 ft.) - $436.44 ea.
  • 60″ (5 ft.) - $545.55 ea.
  • 72″ (6 ft.) - $654.66 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.
Create Custom Cut

QTY

$109.11 ea.
$109.11 for 1
Sold and shipped by MSP Metals

0.375" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002653

0.375" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002653

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 1"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $13.39 ea.
  • 24″ (2 ft.) - $26.76 ea.
  • 36″ (3 ft.) - $40.15 ea.
  • 48″ (4 ft.) - $53.52 ea.
  • 60″ (5 ft.) - $66.91 ea.
  • 72″ (6 ft.) - $80.29 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

$13.39 ea.
$13.39 for 1
Sold and shipped by MSP Metals

0.375" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated - 
Part #: mp-00002644

0.375" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated -
Part #: mp-00002644

Click for more details

Dimensions

  • Thickness: 0.375"
  • Width: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $54.56 ea.
  • 24″ (2 ft.) - $109.11 ea.
  • 36″ (3 ft.) - $163.67 ea.
  • 48″ (4 ft.) - $218.22 ea.
  • 60″ (5 ft.) - $272.78 ea.
  • 72″ (6 ft.) - $327.33 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.
Create Custom Cut

QTY

$54.56 ea.
$54.56 for 1
Sold and shipped by MSP Metals

.375" Alloy Steel 4140 Precision Ground/Milled Blanks - 
Part #: mp-00000328

.375" Alloy Steel 4140 Precision Ground/Milled Blanks -
Part #: mp-00000328

Click for more details

Dimensions

  • Thickness: 0.375"
  • Ships In: 1-3 Days
  • Tolerance: All Dimensions +/- .002˝
See all available dimensions for this product
  • 2.0″ X 11.75″ (2.0 X 11.75 in.) - $96.76 ea.
  • 4.0″ X 11.75″ (4.0 X 11.75 in.) - $144.19 ea.
  • 6.0″ X 5.75″ (6.0 X 5.75 in.) - $114.68 ea.
  • 6.0″ X 11.75″ (6.0 X 11.75 in.) - $198.35 ea.
  • 12.0″ X 11.75″ (12.0 X 11.75 in.) - $365.88 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

$96.76 ea.
$96.76 for 1
quantity discountBuy More & Save up to 10% !
Qty
Price ea.
Savings
2-4
$93.86
2%
5-9
$91.92
5%
10+
$87.08
10%
More
Less
Sold and shipped by TCI Precision Metals

1/2" Alloy Steel Round Bar 4140-Annealed Cold Finish - 
Part #: 15484

1/2" Alloy Steel Round Bar 4140-Annealed Cold Finish -
Part #: 15484

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $7.22 ea.
  • 24″ (2 ft.) - $14.01 ea.
  • 36″ (3 ft.) - $19.13 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $23.86 ea.
  • 72″ (6 ft.) - $33.69 ea.
  • 96″ (8 ft.) - $41.95 ea.
  • 144″ (12 ft.) - $52.23 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

$7.22 ea.
$7.22 for 1

1/2" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002423

1/2" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002423

Click for more details

Dimensions

  • Diameter: 0.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $8.92 ea.
  • 24″ (2 ft.) - $17.84 ea.
  • 36″ (3 ft.) - $26.76 ea.
  • 48″ (4 ft.) - $35.68 ea.
  • 72″ (6 ft.) - $53.52 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

$8.92 ea.
$8.92 for 1
Sold and shipped by MSP Metals

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

Dimensions

  • Thickness: 0.5"
  • Width: 8"
  • Ships In: 1 Business Day
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
Sold and shipped by MSP Metals

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

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Dimensions

  • Thickness: 0.5"
  • Width: 4"
  • Ships In: 1 Business Day
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
Sold and shipped by MSP Metals

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

Dimensions

  • Thickness: 0.5"
  • Width: 3"
  • Ships In: 1 Business Day
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
Sold and shipped by MSP Metals

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