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Alloy Steel Round Bar

-273 Products

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

We carry Alloy Steel Round Bar in 4130 | 4140 | 4330 | 4340 | 8620 | 9310. Most of our Alloy Steel round bar/rod is available in full size and custom cut lengths.

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3" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7406

3" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7406

Click for more details

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Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $259.46 ea.
  • 24″ (2 ft.) - $490.41 ea.
  • 36″ (3 ft.) - $724.20 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $864.23 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $939.00 ea.
  • 144″ (12 ft.) - $2,280.96 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

$259.46 ea.
$259.46 for 1

3" Alloy Steel Round Bar 4340 VAR - 
Part #: 20019

3" Alloy Steel Round Bar 4340 VAR -
Part #: 20019

Click for more details

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Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 36″ (3 ft.) - $2,105.14 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $2,689.97 ea.
  • 60″ (5 ft.) - $3,215.17 ea.
  • 72″ (6 ft.) - $3,706.81 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.

QTY

$2,105.14 ea.
$2,105.14 for 1

3" Alloy Steel Round Bar 8620-Cold Finish - 
Part #: 15019

3" Alloy Steel Round Bar 8620-Cold Finish -
Part #: 15019

Click for more details

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Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $239.09 ea.
  • 24″ (2 ft.) - $451.91 ea.
  • 36″ (3 ft.) - $667.36 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $796.38 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $865.27 ea.
  • 72″ (6 ft.) - $1,192.82 ea.
  • 96″ (8 ft.) - $1,527.37 ea.
  • 144″ (12 ft.) - $2,101.88 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

$239.09 ea.
$239.09 for 1

3" Alloy Steel Round Bar 8620-Hot Rolled - 
Part #: 15023

3" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15023

Click for more details

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Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $90.64 ea.
  • 24″ (2 ft.) - $171.34 ea.
  • 36″ (3 ft.) - $253.01 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $301.92 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $328.04 ea.
  • 72″ (6 ft.) - $452.23 ea.
  • 96″ (8 ft.) - $579.05 ea.
  • 144″ (12 ft.) - $796.86 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

$90.64 ea.
$90.64 for 1

3" Alloy Steel Round Bar 9310 VAR - 
Part #: 20033

3" Alloy Steel Round Bar 9310 VAR -
Part #: 20033

Click for more details

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Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 24″ (2 ft.) - $1,571.94 ea.
  • 36″ (3 ft.) - $2,471.23 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $3,159.79 ea.
  • 60″ (5 ft.) - $3,778.27 ea.
  • 72″ (6 ft.) - $4,357.19 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.

QTY

$1,571.94 ea.
$1,571.94 for 1

3" Maraging Steel Round Bar 350-Annealed - 
Part #: 12588

3" Maraging Steel Round Bar 350-Annealed -
Part #: 12588

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Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 6″ (6 in.) - $1,980.73 ea.
  • 12″ (1 ft.) - $3,821.64 ea.
  • 18″ (18 in.) - $5,529.90 ea.
  • 24″ (2 ft.) - $6,971.71 ea.
  • 36″ (3 ft.) - $10,120.64 ea.

    Buy 4 at the 12 ft price!
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

$1,980.73 ea.
$1,980.73 for 1

3" Maraging Steel Round Bar 300-Annealed - 
Part #: 12607

3" Maraging Steel Round Bar 300-Annealed -
Part #: 12607

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Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 6″ (6 in.) - $1,295.00 ea.
  • 12″ (1 ft.) - $2,812.50 ea.
  • 18″ (18 in.) - $4,172.50 ea.
  • 24″ (2 ft.) - $5,390.00 ea.
  • 36″ (3 ft.) - $7,831.20 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $10,092.00 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

$1,295.00 ea.
$1,295.00 for 1

3.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002398

3.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002398

Click for more details

Dimensions

  • Diameter: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $140.10 ea.
  • 24″ (2 ft.) - $280.18 ea.
  • 36″ (3 ft.) - $420.27 ea.
  • 48″ (4 ft.) - $560.36 ea.
  • 72″ (6 ft.) - $840.54 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

$140.10 ea.
$140.10 for 1
Sold and shipped by MSP Metals

3.000" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002487

3.000" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002487

Click for more details

Dimensions

  • Diameter: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $150.67 ea.
  • 24″ (2 ft.) - $301.32 ea.
  • 36″ (3 ft.) - $451.99 ea.
  • 48″ (4 ft.) - $602.65 ea.
  • 72″ (6 ft.) - $903.98 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

$150.67 ea.
$150.67 for 1
Sold and shipped by MSP Metals

3.125" Maraging Steel Round Bar 250-Annealed - 
Part #: 12619

3.125" Maraging Steel Round Bar 250-Annealed-
Part #: 12619

Click for more details

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Dimensions

  • Diameter: 3.125"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3.25" Maraging Steel Round Bar 250-Annealed - 
Part #: 12620

3.25" Maraging Steel Round Bar 250-Annealed -
Part #: 12620

Click for more details

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Dimensions

  • Diameter: 3.25"
See all available dimensions for this product
  • 6″ (6 in.) - $1,755.00 ea.
  • 12″ (1 ft.) - $3,812.50 ea.
  • 18″ (18 in.) - $5,660.00 ea.
  • 24″ (2 ft.) - $7,090.30 ea.
  • 36″ (3 ft.) - $10,416.00 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $12,929.36 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.

QTY

$1,755.00 ea.
$1,755.00 for 1

3.250" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002402

3.250" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002402

Click for more details

Dimensions

  • Diameter: 3.25"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $164.42 ea.
  • 24″ (2 ft.) - $328.82 ea.
  • 72″ (6 ft.) - $986.47 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

$164.42 ea.
$164.42 for 1
Sold and shipped by MSP Metals

3.25" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered - 
Part #: 28458

3.25" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered-
Part #: 28458

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Dimensions

  • Diameter: 3.25"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3.375" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002421

3.375" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002421

Click for more details

Dimensions

  • Diameter: 3.375"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $177.51 ea.
  • 24″ (2 ft.) - $355.04 ea.
  • 72″ (6 ft.) - $1,065.10 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

$177.51 ea.
$177.51 for 1
Sold and shipped by MSP Metals

3.5" Alloy Steel Round Bar 4130-Normalized Cold Finish - 
Part #: 15978

3.5" Alloy Steel Round Bar 4130-Normalized Cold Finish-
Part #: 15978

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3.5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7408

3.5" Alloy Steel Round Bar 4340-Normalized Rough Turned-
Part #: 7408

Click for more details

alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3.5" Maraging Steel Round Bar 350-Annealed - 
Part #: 21150

3.5" Maraging Steel Round Bar 350-Annealed -
Part #: 21150

Click for more details

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Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $3,659.21 ea.
  • 24″ (2 ft.) - $6,916.28 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

$3,659.21 ea.
$3,659.21 for 1

3.5" Maraging Steel Round Bar 250-Annealed - 
Part #: 12621

3.5" Maraging Steel Round Bar 250-Annealed -
Part #: 12621

Click for more details

maraging-steel-round-bar-annealed-250-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 6″ (6 in.) - $2,047.50 ea.
  • 12″ (1 ft.) - $4,450.00 ea.
  • 24″ (2 ft.) - $8,273.65 ea.
  • 36″ (3 ft.) - $11,704.80 ea.

    Buy 4 at the 12 ft price!

  • 48″ (4 ft.) - $15,089.28 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

$2,047.50 ea.
$2,047.50 for 1

3.5" Alloy Steel Round Bar 4340-Annealed Hot Rolled - 
Part #: 25270

3.5" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
Part #: 25270

Click for more details

alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $446.71 ea.
  • 24″ (2 ft.) - $844.31 ea.
  • 36″ (3 ft.) - $1,246.84 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $1,487.88 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $1,616.64 ea.
  • 72″ (6 ft.) - $2,228.60 ea.
  • 96″ (8 ft.) - $2,853.64 ea.
  • 144″ (12 ft.) - $3,927.04 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

$446.71 ea.
$446.71 for 1

3.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002399

3.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002399

Click for more details

Dimensions

  • Diameter: 3.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $192.66 ea.
  • 24″ (2 ft.) - $385.33 ea.
  • 72″ (6 ft.) - $1,155.99 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.

QTY

$192.66 ea.
$192.66 for 1
Sold and shipped by MSP Metals

3.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated - 
Part #: mp-00002467

3.500" Alloy Steel Round Bar 4140 Cold Finished Heat Treated -
Part #: mp-00002467

Click for more details

Dimensions

  • Diameter: 3.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $205.07 ea.
  • 24″ (2 ft.) - $410.14 ea.
  • 72″ (6 ft.) - $1,230.41 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.
Create Custom Cut

QTY

$205.07 ea.
$205.07 for 1
Sold and shipped by MSP Metals

3.5" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered - 
Part #: 28889

3.5" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered-
Part #: 28889

Click for more details

Placeholder for future product image

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3.625" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002484

3.625" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002484

Click for more details

Dimensions

  • Diameter: 3.625"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $204.54 ea.
  • 24″ (2 ft.) - $409.08 ea.
  • 72″ (6 ft.) - $1,227.25 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

$204.54 ea.
$204.54 for 1
Sold and shipped by MSP Metals

3.750" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002440

3.750" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002440

Click for more details

Dimensions

  • Diameter: 3.75"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $218.89 ea.
  • 24″ (2 ft.) - $437.78 ea.
  • 72″ (6 ft.) - $1,313.34 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

$218.89 ea.
$218.89 for 1
Sold and shipped by MSP Metals
SALE! Save BIG on end of Year Deals!

4" Alloy Steel Round Bar 4130-Normalized - 
Part #: 7381

4" Alloy Steel Round Bar 4130-Normalized -
Part #: 7381

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom

Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $343.57 ea.
  • 24″ (2 ft.) - $649.36 ea.
  • 36″ (3 ft.) - $958.95 ea.

    Buy 4 at the 12 ft price!

  • 144″ (12 ft.) - $3,020.32 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

$343.57 ea.
$343.57 for 1

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