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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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3mm Dia. Brass Round Rod 260 - 1 Meter Long (5 Pieces) - 
Part #: mp-00000691

3mm Dia. Brass Round Rod 260 - 1 Meter Long (5 Pieces) -
Part #: mp-00000691

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Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 3mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 5

QTY

$25.99 ea.
$25.99

3mm Dia. Brass Round Rod 260 - 300mm Long (3 Pieces) - 
Part #: mp-00000697

3mm Dia. Brass Round Rod 260 - 300mm Long (3 Pieces) -
Part #: mp-00000697

Click for more details

Sold & shipped by K&S Precision Metals

Dimensions

  • Diameter: 3mm
  • Ships In: 1 Business Day
See all available dimensions for this product

Pack of 3

QTY

$9.99 ea.
$9.99

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

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

Click for more details

Sold & shipped by MSP Metals

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

3" Tool Steel Round Bar S7 - 
Part #: mp-00002437

3" Tool Steel Round Bar S7 -
Part #: mp-00002437

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Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $169.53 ea.
  • 24″ (2 ft.) - $339.06 ea.
  • 36″ (3 ft.) - $508.59 ea.
  • 48″ (4 ft.) - $678.12 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

$169.53 ea.
$169.53 for 1

3" Tool Steel Round Bar D2 - 
Part #: mp-00002443

3" Tool Steel Round Bar D2 -
Part #: mp-00002443

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Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $179.71 ea.
  • 24″ (2 ft.) - $359.40 ea.
  • 36″ (3 ft.) - $539.11 ea.
  • 48″ (4 ft.) - $718.82 ea.
  • 72″ (6 ft.) - $1,078.22 ea.
  • 96″ (8 ft.) - $1,437.63 ea.
  • 144″ (12 ft.) - $2,156.44 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

$179.71 ea.
$179.71 for 1

3" Tool Steel Round Bar A2 - 
Part #: mp-00002449

3" Tool Steel Round Bar A2 -
Part #: mp-00002449

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $166.14 ea.
  • 24″ (2 ft.) - $332.28 ea.
  • 36″ (3 ft.) - $498.43 ea.
  • 48″ (4 ft.) - $664.57 ea.
  • 72″ (6 ft.) - $996.84 ea.
  • 96″ (8 ft.) - $1,329.12 ea.
  • 144″ (12 ft.) - $1,993.69 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

$166.14 ea.
$166.14 for 1

3" Tool Steel Round Bar H13 - 
Part #: mp-00002477

3" Tool Steel Round Bar H13 -
Part #: mp-00002477

Click for more details

Sold & shipped by MSP Metals

Dimensions

  • Diameter: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $179.71 ea.
  • 24″ (2 ft.) - $359.40 ea.
  • 36″ (3 ft.) - $539.11 ea.
  • 48″ (4 ft.) - $718.82 ea.
  • 72″ (6 ft.) - $1,078.22 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

$179.71 ea.
$179.71 for 1

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

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

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Sold & shipped by MSP Metals

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

3" Nickel Round Bar INVAR 36 - 
Part #: 28176

3" Nickel Round Bar INVAR 36-
Part #: 28176

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Placeholder for future product image

Dimensions

  • Diameter: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" Aluminum Round Bar 7075-T7351-Cold Finish - 
Part #: 25362

3" Aluminum Round Bar 7075-T7351-Cold Finish -
Part #: 25362

Click for more details

aluminum-round-bar-7075-t651-cold-finish-1superZoom

Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $147.45 ea.
  • 24″ (2 ft.) - $278.69 ea.
  • 36″ (3 ft.) - $411.53 ea.
  • 48″ (4 ft.) - $533.59 ea.
  • 72″ (6 ft.) - $735.59 ea.
  • 96″ (8 ft.) - $941.89 ea.
  • 144″ (12 ft.) - $1,296.20 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

$147.45 ea.
$147.45 for 1

3" Nickel Round Bar 400 - 
Part #: 28276

3" Nickel Round Bar 400-
Part #: 28276

Click for more details

Dimensions

  • Diameter: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" Stainless Round Bar 17-4 H1150 - 
Part #: mp-00005218

3" Stainless Round Bar 17-4 H1150 -
Part #: mp-00005218

Click for more details

stainless-round-bar-17-4-annealed-cold-finish-ph-1superZoom
Sold & shipped by AW Metals

Dimensions

  • Diameter: 3"
  • Ships In: 2 Business Days
See all available dimensions for this product
  • 6″ (6 in.) - $160.00 ea.
  • 12″ (1 ft.) - $275.00 ea.
  • 24″ (2 ft.) - $475.00 ea.
  • 36″ (3 ft.) - $695.00 ea.
  • 48″ (4 ft.) - $895.00 ea.
  • 72″ (6 ft.) - $1,395.00 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

$160.00 ea.
$160.00 for 1

3" Nickel Round Bar Alloy 22 - 
Part #: 27555

3" Nickel Round Bar Alloy 22-
Part #: 27555

Click for more details

nickel-round-bar-600-1superZoom

Dimensions

  • Diameter: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" Aluminum Round Bar 2024-T351-Cold Finish - 
Part #: 12643

3" Aluminum Round Bar 2024-T351-Cold Finish -
Part #: 12643

Click for more details

aluminum-round-bar-2024-t351-cold-finish-1superZoom

Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $148.94 ea.
  • 24″ (2 ft.) - $281.50 ea.
  • 36″ (3 ft.) - $415.70 ea.
  • 48″ (4 ft.) - $538.99 ea.
  • 72″ (6 ft.) - $743.01 ea.
  • 96″ (8 ft.) - $951.41 ea.
  • 144″ (12 ft.) - $1,309.29 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

$148.94 ea.
$148.94 for 1

3" Stainless Round Bar 440C Hot Rolled Rough Turned - 
Part #: 26428

3" Stainless Round Bar 440C Hot Rolled Rough Turned -
Part #: 26428

Click for more details

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

Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $584.27 ea.
  • 24″ (2 ft.) - $1,104.32 ea.
  • 36″ (3 ft.) - $1,630.81 ea.
  • 48″ (4 ft.) - $2,114.47 ea.
  • 72″ (6 ft.) - $2,914.88 ea.
  • 96″ (8 ft.) - $3,732.42 ea.
  • 144″ (12 ft.) - $5,136.38 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

$584.27 ea.
$584.27 for 1

3" Bronze Round Bar C89835-Bismuth Tin Bronze - 
Part #: 25622

3" Bronze Round Bar C89835-Bismuth Tin Bronze -
Part #: 25622

Click for more details

bronze-round-bar-954-3superZoom

Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 13″ (13 in.) - $510.21 ea.
  • 26″ (26 in.) - $1,047.27 ea.
  • 39″ (39 in.) - $1,450.06 ea.
  • 52″ (52 in.) - $1,879.71 ea.
  • 65″ (65 in.) - $2,309.38 ea.
  • 78″ (78 in.) - $2,690.82 ea.
  • 105″ (105 in.) - $3,470.38 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

$510.21 ea.
$510.21 for 1

3" Silicon Bronze Round Bar 655-H04 - 
Part #: 27940

3" Silicon Bronze Round Bar 655-H04 -
Part #: 27940

Click for more details

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

Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 12″ (1 ft.) - $619.87 ea.
  • 24″ (2 ft.) - $1,171.66 ea.
  • 36″ (3 ft.) - $1,730.22 ea.
  • 48″ (4 ft.) - $2,243.38 ea.
  • 72″ (6 ft.) - $3,092.60 ea.
  • 96″ (8 ft.) - $3,959.97 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

$619.87 ea.
$619.87 for 1

3" OD Beryllium Free Copper Round Bar 180 Class 3 - 
Part #: mp-00005053

3" OD Beryllium Free Copper Round Bar 180 Class 3 -
Part #: mp-00005053

Click for more details

Sold & shipped by Southern Copper

Dimensions

  • Diameter: 3"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $494.32 ea.
  • 24″ (2 ft.) - $1,201.16 ea.
  • 36″ (3 ft.) - $1,422.97 ea.
  • 48″ (4 ft.) - $2,402.33 ea.
  • 60″ (5 ft.) - $3,002.91 ea.
  • 72″ (6 ft.) - $3,603.49 ea.
  • 84″ (7 ft.) - $4,204.07 ea.
  • 96″ (8 ft.) - $4,171.81 ea.
  • 108″ (9 ft.) - $5,405.23 ea.
  • 120″ (10 ft.) - $6,005.82 ea.
  • 144″ (12 ft.) - $6,257.71 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.
Create Custom Cut

QTY

$494.32 ea.
$494.32 for 1
quantity discountBuy More & Save up to 9% !
Qty
Price ea.
Savings
2-4
$479.49
3%
5-9
$469.60
5%
10+
$444.89
9%
More
Less

3" Aluminum Round Bar 6061-T6511 144" Length - 9pc. Min - 
Part #: 28513

3" Aluminum Round Bar 6061-T6511 144" Length - 9pc. Min-
Part #: 28513

Click for more details

Dimensions

  • Diameter: 3"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3" Bronze Round Bar 907 Continuous Cast - 
Part #: mp-00034420

3" Bronze Round Bar 907 Continuous Cast -
Part #: mp-00034420

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 3"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $357.00 ea.
  • 24″ (2 ft.) - $701.25 ea.
  • 72″ (6 ft.) - $2,116.50 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

$357.00 ea.
$357.00 for 1

3" Bronze Round Bar 905 Continuous Cast - 
Part #: mp-00034513

3" Bronze Round Bar 905 Continuous Cast -
Part #: mp-00034513

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 3"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $361.05 ea.
  • 24″ (2 ft.) - $722.10 ea.
  • 72″ (6 ft.) - $2,178.75 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.

QTY

$361.05 ea.
$361.05 for 1

3" Bronze Round Bar 903 Continuous Cast - 
Part #: mp-00034519

3" Bronze Round Bar 903 Continuous Cast -
Part #: mp-00034519

Click for more details

Sold & shipped by Spectrum Machine Inc.

Dimensions

  • Diameter: 3"
  • Ships In: 1-2 Business Days
See all available dimensions for this product
  • 12″ (1 ft.) - $348.60 ea.
  • 24″ (2 ft.) - $684.75 ea.
  • 72″ (6 ft.) - $2,066.70 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.

QTY

$348.60 ea.
$348.60 for 1

3" Stainless Round Bar 420 - 
Part #: mp-00038660

3" Stainless Round Bar 420 -
Part #: mp-00038660

Click for more details

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

Dimensions

  • Diameter: 3"
  • Ships In: 2 Business Days
See all available dimensions for this product
  • 6″ (6 in.) - $95.00 ea.
  • 12″ (1 ft.) - $160.00 ea.
  • 24″ (2 ft.) - $275.00 ea.
  • 36″ (3 ft.) - $395.00 ea.
  • 48″ (4 ft.) - $525.00 ea.
  • 72″ (6 ft.) - $695.00 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

$95.00 ea.
$95.00 for 1

3" Nickel Round Bar 625 - 
Part #: mp-00041765

3" Nickel Round Bar 625 -
Part #: mp-00041765

Click for more details

Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 3"
See all available dimensions for this product
  • 6″ (6 in.) - $1,058.26 ea.
  • 12″ (1 ft.) - $1,946.73 ea.
  • 24″ (2 ft.) - $3,512.91 ea.
  • 36″ (3 ft.) - $5,093.19 ea.
  • 48″ (4 ft.) - $6,616.00 ea.
  • 72″ (6 ft.) - $9,846.83 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.

QTY

$1,058.26 ea.
$1,058.26 for 1

3" Titanium Round Bar Grade 5 6AL-4V - 
Part #: mp-00041839

3" Titanium Round Bar Grade 5 6AL-4V -
Part #: mp-00041839

Click for more details

Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 3"
  • Ships In: 7-8 Business Days
See all available dimensions for this product
  • 6″ (6 in.) - $553.13 ea.
  • 12″ (1 ft.) - $941.73 ea.
  • 24″ (2 ft.) - $1,621.62 ea.
  • 36″ (3 ft.) - $2,311.21 ea.
  • 48″ (4 ft.) - $2,975.72 ea.
  • 72″ (6 ft.) - $4,388.79 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

$553.13 ea.
$553.13 for 1

Can't find what you're looking for?

Contact us for a custom quote