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Round Bar

-2948 Products

We carry metal round bar stock in alloy steel, aluminum, beryllium copper, brass, bronze, carbon fiber, carbon steel, cast iron, copper, maraging steel, nickel silver, nickel, plastic, stainless steel, and titanium. Most of our metal round bar is available in full size and custom cut lengths. Whether you're looking for a perfectly sized bright bar or a large quantity of durable plastic, you can price and order round bar from Online Metals and enjoy the convenience of delivery directly to you.

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4" Tool Steel Round Bar H13 - 
Part #: mp-00002390

4" Tool Steel Round Bar H13 -
Part #: mp-00002390

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Sold & shipped by MSP Metals

Dimensions

  • Diameter: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $319.47 ea.
  • 24″ (2 ft.) - $638.94 ea.
  • 72″ (6 ft.) - $1,916.83 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

$319.47 ea.
$319.47 for 1

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

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

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Sold & shipped by MSP Metals

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

4" Tool Steel Round Bar D2 - 
Part #: mp-00002415

4" Tool Steel Round Bar D2 -
Part #: mp-00002415

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Sold & shipped by MSP Metals

Dimensions

  • Diameter: 4"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $319.47 ea.
  • 24″ (2 ft.) - $638.94 ea.
  • 72″ (6 ft.) - $1,916.83 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

$319.47 ea.
$319.47 for 1

4" Stainless Round Bar 440C Hot Rolled Rough Turned - 
Part #: 26882

4" Stainless Round Bar 440C Hot Rolled Rough Turned -
Part #: 26882

Click for more details

stainless-round-bar-440c-cold-finish-1superZoom

Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $959.70 ea.
  • 24″ (2 ft.) - $1,813.95 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.
Create Custom Cut

QTY

$959.70 ea.
$959.70 for 1
quantity discountBuy More & Save up to -371% !
Qty
Price ea.
Savings
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$4519.82
-371%
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4" Stainless Round Bar 17-4 H1150 - 
Part #: mp-00002495

4" Stainless Round Bar 17-4 H1150 -
Part #: mp-00002495

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Sold & shipped by AW Metals

Dimensions

  • Diameter: 4"
  • Ships In: 2 Business Days
See all available dimensions for this product
  • 3″ (3 in.) - $110.00 ea.
  • 6″ (6 in.) - $175.00 ea.
  • 12″ (1 ft.) - $295.00 ea.
  • 24″ (2 ft.) - $595.00 ea.
  • 36″ (3 ft.) - $800.00 ea.
  • 48″ (4 ft.) - $1,095.00 ea.
  • 72″ (6 ft.) - $1,500.00 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.
Create Custom Cut

QTY

$110.00 ea.
$110.00 for 1

4" Silicon Bronze Round Bar 655-H04 - 
Part #: 27941

4" Silicon Bronze Round Bar 655-H04 -
Part #: 27941

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bronze-round-bar-655-h04-1superZoom

Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 12″ (1 ft.) - $1,365.60 ea.
  • 24″ (2 ft.) - $2,581.16 ea.
  • 36″ (3 ft.) - $3,811.73 ea.
  • 48″ (4 ft.) - $4,942.22 ea.
  • 72″ (6 ft.) - $6,813.06 ea.
  • 96″ (8 ft.) - $8,723.92 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

$1,365.60 ea.
$1,365.60 for 1

4" Titanium Round Bar Grade 5 6AL-4V - 
Part #: 28129

4" Titanium Round Bar Grade 5 6AL-4V-
Part #: 28129

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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.

4mm Carbon Steel Round Bar 1215 TGP Metric 72" Length [+/- 2"] - 
Part #: 28285

4mm Carbon Steel Round Bar 1215 TGP Metric 72" Length [+/- 2"] -
Part #: 28285

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Dimensions

  • Diameter: 4mm
See all available dimensions for this product

Pack of 7

QTY

$89.15 ea.
$89.15

4mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 36" Length [+/- 2"] - 
Part #: 28283

4mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 36" Length [+/- 2"] -
Part #: 28283

Click for more details

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Dimensions

  • Diameter: 4mm
See all available dimensions for this product

Pack of 5

QTY

$83.49 ea.
$83.49

4mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 72" Length [+/- 2"] - 
Part #: 28284

4mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 72" Length [+/- 2"] -
Part #: 28284

Click for more details

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Dimensions

  • Diameter: 4mm
See all available dimensions for this product

Pack of 2

QTY

$66.80 ea.
$66.80

4" Aluminum Round Bar 6061-T6511 144" Length - 5pc. Min - 
Part #: 28518

4" Aluminum Round Bar 6061-T6511 144" Length - 5pc. Min-
Part #: 28518

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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" Carbon Steel Round Bar 1045 Cold Finish - 
Part #: 28782

4" Carbon Steel Round Bar 1045 Cold Finish-
Part #: 28782

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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" Bronze Round Bar 903 Continuous Cast - 
Part #: mp-00034404

4" Bronze Round Bar 903 Continuous Cast -
Part #: mp-00034404

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 4"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $634.95 ea.
  • 24″ (2 ft.) - $1,282.35 ea.
  • 72″ (6 ft.) - $3,834.60 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

$634.95 ea.
$634.95 for 1

4" Bronze Round Bar 907 Continuous Cast - 
Part #: mp-00034423

4" Bronze Round Bar 907 Continuous Cast -
Part #: mp-00034423

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 4"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $650.25 ea.
  • 24″ (2 ft.) - $1,313.25 ea.
  • 72″ (6 ft.) - $3,927.00 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

$650.25 ea.
$650.25 for 1

4" Bronze Round Bar 905 Continuous Cast - 
Part #: mp-00034541

4" Bronze Round Bar 905 Continuous Cast -
Part #: mp-00034541

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 4"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $634.95 ea.
  • 24″ (2 ft.) - $1,257.45 ea.
  • 72″ (6 ft.) - $3,772.35 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

$634.95 ea.
$634.95 for 1

4" Bronze Round Bar 907 Continuous Cast - 
Part #: 28799

4" Bronze Round Bar 907 Continuous Cast-
Part #: 28799

Click for more details

Placeholder for future product image

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" Stainless Round Bar 420 - 
Part #: mp-00038648

4" Stainless Round Bar 420 -
Part #: mp-00038648

Click for more details

stainless-round-bar-316-cold-finish-1superZoom
Sold & shipped by AW Metals

Dimensions

  • Diameter: 4"
  • Ships In: 2 Business Days
See all available dimensions for this product
  • 6″ (6 in.) - $140.00 ea.
  • 12″ (1 ft.) - $250.00 ea.
  • 24″ (2 ft.) - $450.00 ea.
  • 36″ (3 ft.) - $650.00 ea.
  • 48″ (4 ft.) - $850.00 ea.
  • 72″ (6 ft.) - $1,270.00 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.
Create Custom Cut

QTY

$140.00 ea.
$140.00 for 1

4" Nickel Round Bar Alloy X - 
Part #: mp-00041804

4" Nickel Round Bar Alloy X -
Part #: mp-00041804

Click for more details

Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 6″ (6 in.) - $1,557.07 ea.
  • 12″ (1 ft.) - $2,938.48 ea.
  • 24″ (2 ft.) - $5,378.59 ea.
  • 36″ (3 ft.) - $7,837.16 ea.
  • 48″ (4 ft.) - $10,206.32 ea.
  • 72″ (6 ft.) - $15,229.64 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

$1,557.07 ea.
$1,557.07 for 1

4" Nickel Round Bar 625 - 
Part #: mp-00041807

4" Nickel Round Bar 625 -
Part #: mp-00041807

Click for more details

Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 6″ (6 in.) - $1,527.63 ea.
  • 12″ (1 ft.) - $2,879.59 ea.
  • 24″ (2 ft.) - $5,267.48 ea.
  • 36″ (3 ft.) - $7,673.57 ea.
  • 48″ (4 ft.) - $9,992.17 ea.
  • 72″ (6 ft.) - $14,908.41 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

$1,527.63 ea.
$1,527.63 for 1

4" Stainless Round Bar 321 - 
Part #: mp-00041829

4" Stainless Round Bar 321 -
Part #: mp-00041829

Click for more details

Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 6″ (6 in.) - $353.17 ea.
  • 12″ (1 ft.) - $531.12 ea.
  • 24″ (2 ft.) - $836.81 ea.
  • 36″ (3 ft.) - $1,150.85 ea.
  • 48″ (4 ft.) - $1,453.47 ea.
  • 72″ (6 ft.) - $2,100.56 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

$353.17 ea.
$353.17 for 1

4" Nickel Round Bar 718 - 
Part #: mp-00041860

4" Nickel Round Bar 718 -
Part #: mp-00041860

Click for more details

Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 4"
See all available dimensions for this product
  • 6″ (6 in.) - $1,351.16 ea.
  • 12″ (1 ft.) - $2,526.66 ea.
  • 24″ (2 ft.) - $4,601.56 ea.
  • 36″ (3 ft.) - $6,693.20 ea.
  • 48″ (4 ft.) - $8,708.77 ea.
  • 72″ (6 ft.) - $12,983.31 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.

QTY

$1,351.16 ea.
$1,351.16 for 1

4" Nickel Round Bar Alloy X - 
Part #: 29036

4" Nickel Round Bar Alloy X-
Part #: 29036

Click for more details

Placeholder for future product image

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" Stainless Round Bar Nitronic 50 Annealed - 
Part #: mp-00040619

4" Stainless Round Bar Nitronic 50 Annealed -
Part #: mp-00040619

Click for more details

Sold & shipped by Source One Metals

Dimensions

  • Diameter: 4"
  • Ships In: 3-4 Business Days
See all available dimensions for this product
  • 6″ (6 in.) - $522.52 ea.
  • 12″ (1 ft.) - $825.04 ea.
  • 36″ (3 ft.) - $1,948.67 ea.
  • 72″ (6 ft.) - $3,542.20 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.

QTY

$522.52 ea.
$522.52 for 1

4" Nickel Round Bar 600 - 
Part #: 28992

4" Nickel Round Bar 600-
Part #: 28992

Click for more details

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" Machinable Wax Round Block - 
Part #: mp-00061743

4" Machinable Wax Round Block -
Part #: mp-00061743

Click for more details

Sold & shipped by Machinable Wax

Dimensions

  • Diameter: 4"
  • Color: Blue
See all available dimensions for this product
  • 14″ (14 in.) - $43.95 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

$43.95 ea.
$43.95 for 1

Can't find what you're looking for?

Contact us for a custom quote