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Alloy Steel Round Bar 4140 Heat Treat

-44 Products

Alloy Steel 4140 Product Guide Product   | Alloy Steel 4140 Round Bar Tolerances product

Alloy Steel Round Bar 4140 is normally used for heavy-duty industrial applications. Also referred to as Chromoly steel, 4140 is known for strength, resistance to fracturing, abrasion, and impact in high stress applications.


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

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

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Dimensions

  • Diameter: 0.375"
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  • 12″ (1 ft.) - $4.88 ea.
  • 24″ (2 ft.) - $9.75 ea.
  • 36″ (3 ft.) - $14.63 ea.
  • 48″ (4 ft.) - $19.51 ea.
  • 72″ (6 ft.) - $29.26 ea.
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$4.88 ea.
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0.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002423

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

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Dimensions

  • Diameter: 0.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $8.34 ea.
  • 24″ (2 ft.) - $16.67 ea.
  • 36″ (3 ft.) - $25.01 ea.
  • 48″ (4 ft.) - $33.35 ea.
  • 72″ (6 ft.) - $50.02 ea.
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$8.34 ea.
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0.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002456

0.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002456

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Dimensions

  • Diameter: 0.625"
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  • 12″ (1 ft.) - $12.81 ea.
  • 24″ (2 ft.) - $25.62 ea.
  • 36″ (3 ft.) - $38.44 ea.
  • 48″ (4 ft.) - $51.25 ea.
  • 72″ (6 ft.) - $76.87 ea.
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$12.81 ea.
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0.750" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002397

0.750" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002397

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Dimensions

  • Diameter: 0.75"
See all available dimensions for this product
  • 12″ (1 ft.) - $12.31 ea.
  • 24″ (2 ft.) - $24.63 ea.
  • 36″ (3 ft.) - $36.94 ea.
  • 48″ (4 ft.) - $49.25 ea.
  • 72″ (6 ft.) - $73.88 ea.
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$12.31 ea.
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0.875" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002395

0.875" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002395

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Dimensions

  • Diameter: 0.875"
See all available dimensions for this product
  • 12″ (1 ft.) - $14.13 ea.
  • 24″ (2 ft.) - $28.26 ea.
  • 36″ (3 ft.) - $42.40 ea.
  • 48″ (4 ft.) - $56.53 ea.
  • 72″ (6 ft.) - $84.79 ea.
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$14.13 ea.
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$13.71
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$12.72
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1.000" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002410

1.000" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002410

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Dimensions

  • Diameter: 1"
See all available dimensions for this product
  • 12″ (1 ft.) - $15.65 ea.
  • 24″ (2 ft.) - $31.29 ea.
  • 36″ (3 ft.) - $46.94 ea.
  • 48″ (4 ft.) - $62.58 ea.
  • 72″ (6 ft.) - $93.87 ea.
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$15.65 ea.
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$15.18
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$14.09
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1.125" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002439

1.125" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002439

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Dimensions

  • Diameter: 1.125"
See all available dimensions for this product
  • 12″ (1 ft.) - $19.80 ea.
  • 24″ (2 ft.) - $39.60 ea.
  • 36″ (3 ft.) - $59.40 ea.
  • 48″ (4 ft.) - $79.20 ea.
  • 72″ (6 ft.) - $118.81 ea.
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$19.80 ea.
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$19.21
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$18.81
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$17.82
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1.250" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002426

1.250" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002426

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Dimensions

  • Diameter: 1.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $24.45 ea.
  • 24″ (2 ft.) - $48.89 ea.
  • 36″ (3 ft.) - $73.34 ea.
  • 48″ (4 ft.) - $97.78 ea.
  • 72″ (6 ft.) - $146.67 ea.
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$24.45 ea.
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$23.72
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1.375" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002460

1.375" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002460

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Dimensions

  • Diameter: 1.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $29.58 ea.
  • 24″ (2 ft.) - $59.16 ea.
  • 36″ (3 ft.) - $88.74 ea.
  • 48″ (4 ft.) - $118.32 ea.
  • 72″ (6 ft.) - $177.47 ea.
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$29.58 ea.
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$28.69
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$28.10
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$26.62
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1.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002404

1.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002404

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Dimensions

  • Diameter: 1.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $35.20 ea.
  • 24″ (2 ft.) - $70.40 ea.
  • 36″ (3 ft.) - $105.60 ea.
  • 48″ (4 ft.) - $140.81 ea.
  • 72″ (6 ft.) - $211.21 ea.
Create Custom Cut

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$35.20 ea.
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$34.14
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$33.44
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$31.68
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1.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002412

1.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002412

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Dimensions

  • Diameter: 1.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $41.31 ea.
  • 24″ (2 ft.) - $82.63 ea.
  • 36″ (3 ft.) - $123.94 ea.
  • 48″ (4 ft.) - $165.25 ea.
  • 72″ (6 ft.) - $247.88 ea.
Create Custom Cut

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$41.31 ea.
$41.31 for 1
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$40.07
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$39.24
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$37.18
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1.750" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002465

1.750" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002465

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Dimensions

  • Diameter: 1.75"
See all available dimensions for this product
  • 12″ (1 ft.) - $47.91 ea.
  • 24″ (2 ft.) - $95.83 ea.
  • 36″ (3 ft.) - $143.74 ea.
  • 48″ (4 ft.) - $191.65 ea.
  • 72″ (6 ft.) - $287.48 ea.
Create Custom Cut

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$47.91 ea.
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$46.47
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$45.51
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$43.12
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1.750" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002475

1.750" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002475

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Dimensions

  • Diameter: 1.75"
See all available dimensions for this product
  • 12″ (1 ft.) - $44.55 ea.
  • 24″ (2 ft.) - $89.10 ea.
  • 36″ (3 ft.) - $133.65 ea.
  • 48″ (4 ft.) - $178.20 ea.
  • 72″ (6 ft.) - $267.31 ea.

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$44.55 ea.
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$43.21
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5-9
$42.32
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$40.10
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1.875" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002452

1.875" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002452

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Dimensions

  • Diameter: 1.875"
See all available dimensions for this product
  • 12″ (1 ft.) - $55.00 ea.
  • 24″ (2 ft.) - $110.00 ea.
  • 36″ (3 ft.) - $165.01 ea.
  • 48″ (4 ft.) - $220.01 ea.
  • 72″ (6 ft.) - $330.01 ea.
Create Custom Cut

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$55.00 ea.
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$53.35
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$52.25
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$49.50
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2.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002391

2.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002391

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Dimensions

  • Diameter: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $58.19 ea.
  • 24″ (2 ft.) - $116.38 ea.
  • 36″ (3 ft.) - $174.57 ea.
  • 48″ (4 ft.) - $232.76 ea.
  • 72″ (6 ft.) - $349.13 ea.

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$58.19 ea.
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$56.44
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$55.28
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$52.37
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2.000" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002444

2.000" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002444

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Dimensions

  • Diameter: 2"
See all available dimensions for this product
  • 12″ (1 ft.) - $62.58 ea.
  • 24″ (2 ft.) - $125.16 ea.
  • 36″ (3 ft.) - $187.74 ea.
  • 48″ (4 ft.) - $250.32 ea.
  • 72″ (6 ft.) - $375.48 ea.
Create Custom Cut

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$62.58 ea.
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$60.70
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$59.45
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$56.32
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2.125" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002471

2.125" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002471

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Dimensions

  • Diameter: 2.125"
See all available dimensions for this product
  • 12″ (1 ft.) - $70.65 ea.
  • 24″ (2 ft.) - $141.30 ea.
  • 36″ (3 ft.) - $211.94 ea.
  • 48″ (4 ft.) - $282.59 ea.
  • 72″ (6 ft.) - $423.89 ea.
Create Custom Cut

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$70.65 ea.
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$68.53
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$67.12
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$63.59
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2.250" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002425

2.250" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002425

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Dimensions

  • Diameter: 2.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $79.20 ea.
  • 24″ (2 ft.) - $158.41 ea.
  • 36″ (3 ft.) - $237.61 ea.
  • 48″ (4 ft.) - $316.81 ea.
  • 72″ (6 ft.) - $475.22 ea.
Create Custom Cut

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$79.20 ea.
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$76.82
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$75.24
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$71.28
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2.250" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002486

2.250" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002486

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Dimensions

  • Diameter: 2.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $73.65 ea.
  • 24″ (2 ft.) - $147.29 ea.
  • 36″ (3 ft.) - $220.94 ea.
  • 48″ (4 ft.) - $294.58 ea.
  • 72″ (6 ft.) - $441.87 ea.

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$73.65 ea.
$73.65 for 1
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$71.44
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$69.97
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$66.29
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2.375" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002441

2.375" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002441

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Dimensions

  • Diameter: 2.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $82.06 ea.
  • 24″ (2 ft.) - $164.11 ea.
  • 36″ (3 ft.) - $246.17 ea.
  • 48″ (4 ft.) - $328.22 ea.
  • 72″ (6 ft.) - $492.33 ea.

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$82.06 ea.
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$79.60
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$77.96
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$73.85
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2.375" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002488

2.375" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002488

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Dimensions

  • Diameter: 2.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $88.25 ea.
  • 24″ (2 ft.) - $176.50 ea.
  • 36″ (3 ft.) - $264.74 ea.
  • 48″ (4 ft.) - $352.99 ea.
  • 72″ (6 ft.) - $529.49 ea.
Create Custom Cut

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$88.25 ea.
$88.25 for 1
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Savings
2-4
$85.60
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5-9
$83.84
4%
10+
$79.43
9%
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2.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002430

2.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002430

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Dimensions

  • Diameter: 2.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $97.78 ea.
  • 24″ (2 ft.) - $195.56 ea.
  • 36″ (3 ft.) - $293.35 ea.
  • 48″ (4 ft.) - $391.13 ea.
  • 72″ (6 ft.) - $586.69 ea.
Create Custom Cut

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$97.78 ea.
$97.78 for 1
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Savings
2-4
$94.85
2%
5-9
$92.89
5%
10+
$88.00
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2.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002468

2.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002468

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Dimensions

  • Diameter: 2.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $93.33 ea.
  • 24″ (2 ft.) - $186.66 ea.
  • 36″ (3 ft.) - $279.99 ea.
  • 48″ (4 ft.) - $373.32 ea.
  • 72″ (6 ft.) - $559.99 ea.

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$93.33 ea.
$93.33 for 1
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Savings
2-4
$90.53
3%
5-9
$88.66
5%
10+
$84.00
9%
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2.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002483

2.625" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002483

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Dimensions

  • Diameter: 2.625"
See all available dimensions for this product
  • 12″ (1 ft.) - $107.80 ea.
  • 24″ (2 ft.) - $215.61 ea.
  • 36″ (3 ft.) - $323.41 ea.
  • 48″ (4 ft.) - $431.22 ea.
  • 72″ (6 ft.) - $646.83 ea.
Create Custom Cut

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$107.80 ea.
$107.80 for 1
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Savings
2-4
$104.57
2%
5-9
$102.41
5%
10+
$97.02
10%
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2.75" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002413

2.75" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002413

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Dimensions

  • Diameter: 2.75"
See all available dimensions for this product
  • 12″ (1 ft.) - $121.41 ea.
  • 24″ (2 ft.) - $242.82 ea.
  • 36″ (3 ft.) - $364.23 ea.
  • 48″ (4 ft.) - $485.64 ea.
  • 72″ (6 ft.) - $728.47 ea.
Create Custom Cut

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$121.41 ea.
$121.41 for 1
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Savings
2-4
$117.77
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$115.34
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10+
$109.27
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