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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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Online Metals #1 in Freight Shipping!
SALE! 30% off on 24" Length

4" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7410

4" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7410

Click for more details

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Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $362.19 ea.
  • 24″ (2 ft.) - $479.22 ea. - 30% off on 24" Length
  • 36″ (3 ft.) - $1,010.97 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $1,206.45 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $1,310.80 ea.
  • 72″ (6 ft.) - $1,807.01 ea.
  • 96″ (8 ft.) - $2,313.81 ea.
  • 144″ (12 ft.) - $3,184.14 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

$362.19 ea.
$362.19 for 1

4" Alloy Steel Round Bar 8620-Hot Rolled - 
Part #: 15024

4" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15024

Click for more details

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Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $253.37 ea.
  • 24″ (2 ft.) - $478.90 ea.
  • 36″ (3 ft.) - $707.21 ea.

    Buy 4 at the 12 ft price!

  • 144″ (12 ft.) - $2,227.46 ea.
  • 240″ (20 ft.) - $3,712.44 ea. -LTL freight rates apply
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

$253.37 ea.
$253.37 for 1

4" Maraging Steel Round Bar 350-Annealed - 
Part #: 22530

4" Maraging Steel Round Bar 350-Annealed -
Part #: 22530

Click for more details

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Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 6″ (6 in.) - $3,378.46 ea.
  • 12″ (1 ft.) - $6,386.31 ea.
  • 18″ (18 in.) - $9,099.60 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

$3,378.46 ea.
$3,378.46 for 1

4" Maraging Steel Round Bar 300-Annealed - 
Part #: 23146

4" Maraging Steel Round Bar 300-Annealed-
Part #: 23146

Click for more details

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Dimensions

  • Diameter: 4"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002400

4.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002400

Click for more details

Dimensions

  • Diameter: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $249.05 ea.
  • 24″ (2 ft.) - $498.10 ea.
  • 72″ (6 ft.) - $1,494.29 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.

QTY

$249.05 ea.
$249.05 for 1
Sold and shipped by MSP Metals

4.25" Alloy Steel Round Bar 8620-Hot Rolled - 
Part #: 15025

4.25" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15025

Click for more details

alloy-steel-round-bar-8620-hot-rolled-1superZoom

Dimensions

  • Diameter: 4.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $237.24 ea.
  • 24″ (2 ft.) - $448.43 ea.
  • 144″ (12 ft.) - $2,085.70 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

$237.24 ea.
$237.24 for 1

4.25" Alloy Steel Round Bar 300m VAR - 
Part #: 27653

4.25" Alloy Steel Round Bar 300m VAR-
Part #: 27653

Click for more details

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Dimensions

  • Diameter: 4.25"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4.250" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002459

4.250" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002459

Click for more details

Dimensions

  • Diameter: 4.25"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $299.72 ea.
  • 24″ (2 ft.) - $599.44 ea.
  • 72″ (6 ft.) - $1,798.32 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.

QTY

$299.72 ea.
$299.72 for 1
Sold and shipped by MSP Metals

4.5" Alloy Steel Round Bar 4130-Normalized - 
Part #: 19616

4.5" Alloy Steel Round Bar 4130-Normalized -
Part #: 19616

Click for more details

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

Dimensions

  • Diameter: 4.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $314.69 ea.
  • 24″ (2 ft.) - $594.79 ea.
  • 36″ (3 ft.) - $878.33 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $1,048.15 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $1,138.84 ea.
  • 72″ (6 ft.) - $1,569.95 ea.
  • 96″ (8 ft.) - $2,010.27 ea.
  • 144″ (12 ft.) - $2,766.42 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

$314.69 ea.
$314.69 for 1

4.5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7411

4.5" Alloy Steel Round Bar 4340-Normalized Rough Turned-
Part #: 7411

Click for more details

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

Dimensions

  • Diameter: 4.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.
SALE! Save BIG on end of Year Deals!

4.5" Alloy Steel Round Bar 8620-Hot Rolled - 
Part #: 15026

4.5" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15026

Click for more details

alloy-steel-round-bar-8620-hot-rolled-1superZoom

Dimensions

  • Diameter: 4.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $323.61 ea.
  • 24″ (2 ft.) - $611.69 ea.
  • 144″ (12 ft.) - $2,845.08 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

$323.61 ea.
$323.61 for 1

4.5" Maraging Steel Round Bar 350-Annealed - 
Part #: 23740

4.5" Maraging Steel Round Bar 350-Annealed -
Part #: 23740

Click for more details

maraging-steel-round-bar-350-1superZoom

Dimensions

  • Diameter: 4.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $6,008.59 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

$6,008.59 ea.
$6,008.59 for 1

4.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002457

4.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002457

Click for more details

Dimensions

  • Diameter: 4.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $336.01 ea.
  • 24″ (2 ft.) - $672.03 ea.
  • 72″ (6 ft.) - $2,016.10 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

$336.01 ea.
$336.01 for 1
Sold and shipped by MSP Metals

4.750" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002427

4.750" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002427

Click for more details

Dimensions

  • Diameter: 4.75"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $374.39 ea.
  • 24″ (2 ft.) - $748.78 ea.
  • 72″ (6 ft.) - $2,246.34 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

$374.39 ea.
$374.39 for 1
Sold and shipped by MSP Metals

5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7413

5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7413

Click for more details

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

Dimensions

  • Diameter: 5"
See all available dimensions for this product
  • 12″ (1 ft.) - $615.10 ea.
  • 24″ (2 ft.) - $1,162.60 ea.
  • 144″ (12 ft.) - $5,407.46 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

$615.10 ea.
$615.10 for 1
SALE! Save BIG on end of Year Deals!

5" Alloy Steel Round Bar 8620-Hot Rolled - 
Part #: 15027

5" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15027

Click for more details

alloy-steel-round-bar-8620-hot-rolled-1superZoom

Dimensions

  • Diameter: 5"
See all available dimensions for this product
  • 12″ (1 ft.) - $363.01 ea.
  • 24″ (2 ft.) - $686.13 ea.
  • 36″ (3 ft.) - $1,013.26 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $1,209.17 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $1,313.77 ea.
  • 72″ (6 ft.) - $1,811.07 ea.
  • 96″ (8 ft.) - $2,319.02 ea.
  • 144″ (12 ft.) - $3,191.32 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

$363.01 ea.
$363.01 for 1

5" Maraging Steel Round Bar 250-Annealed - 
Part #: 21524

5" Maraging Steel Round Bar 250-Annealed -
Part #: 21524

Click for more details

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

Dimensions

  • Diameter: 5"
See all available dimensions for this product
  • 12″ (1 ft.) - $5,200.00 ea.
  • 24″ (2 ft.) - $7,007.00 ea.
  • 36″ (3 ft.) - $8,824.80 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

$5,200.00 ea.
$5,200.00 for 1

5" Alloy Steel Round Bar 9310 VAR - 
Part #: 27938

5" Alloy Steel Round Bar 9310 VAR-
Part #: 27938

Click for more details

alloy-steel-round-bar-4330-var-1superZoom

Dimensions

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

5.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002424

5.000" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002424

Click for more details

Dimensions

  • Diameter: 5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $414.84 ea.
  • 24″ (2 ft.) - $829.67 ea.
  • 72″ (6 ft.) - $2,489.01 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

$414.84 ea.
$414.84 for 1
Sold and shipped by MSP Metals

5.5" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7415

5.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7415

Click for more details

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

Dimensions

  • Diameter: 5.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $733.17 ea.
  • 24″ (2 ft.) - $1,385.80 ea.
  • 36″ (3 ft.) - $2,046.45 ea.

    Buy 4 at the 12 ft price!

  • 44″ (44 in.) - $2,442.18 ea.

    Order to avoid UPS additional handling fees

  • 48″ (4 ft.) - $2,653.42 ea.
  • 72″ (6 ft.) - $3,657.86 ea.
  • 96″ (8 ft.) - $4,683.77 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

$733.17 ea.
$733.17 for 1

5.5" Alloy Steel Round Bar 4340 VAR-Normalized - 
Part #: 22981

5.5" Alloy Steel Round Bar 4340 VAR-Normalized-
Part #: 22981

Click for more details

alloy-steel-round-bar-4330-var-1superZoom

Dimensions

  • Diameter: 5.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5.5" Alloy Steel Round Bar 4130 - 
Part #: 24744

5.5" Alloy Steel Round Bar 4130-
Part #: 24744

Click for more details

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

Dimensions

  • Diameter: 5.5"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002448

5.500" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002448

Click for more details

Dimensions

  • Diameter: 5.5"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $501.95 ea.
  • 24″ (2 ft.) - $1,003.91 ea.
  • 72″ (6 ft.) - $3,011.71 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

$501.95 ea.
$501.95 for 1
Sold and shipped by MSP Metals
SALE! Save BIG on end of Year Deals!

5.75" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7416

5.75" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7416

Click for more details

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

Dimensions

  • Diameter: 5.75"
See all available dimensions for this product
  • 12″ (1 ft.) - $955.28 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.
Create Custom Cut

QTY

$955.28 ea.
$955.28 for 1

6" Alloy Steel Round Bar 4130-Normalized - 
Part #: 23684

6" Alloy Steel Round Bar 4130-Normalized -
Part #: 23684

Click for more details

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

Dimensions

  • Diameter: 6"
See all available dimensions for this product
  • 12″ (1 ft.) - $843.24 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

$843.24 ea.
$843.24 for 1

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