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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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3 1/4" Brass Round Bar 464-H02 Extruded - 
Part #: 27977

3 1/4" Brass Round Bar 464-H02 Extruded-
Part #: 27977

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brass-round-bar-464-h02-1superZoom

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 1/4" Aluminum Round Bar 6061-T6511 144" Length - 7pc. Min - 
Part #: 28515

3 1/4" Aluminum Round Bar 6061-T6511 144" Length - 7pc. Min-
Part #: 28515

Click for more details

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 1/4" Carbon Steel Round Bar 1045 Cold Finish - 
Part #: 28783

3 1/4" Carbon Steel Round Bar 1045 Cold Finish-
Part #: 28783

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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 1/4" Nickel Round Bar 718 - 
Part #: mp-00041784

3 1/4" Nickel Round Bar 718 -
Part #: mp-00041784

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Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 3.25"
See all available dimensions for this product
  • 6″ (6 in.) - $1,120.71 ea.
  • 12″ (1 ft.) - $2,065.75 ea.
  • 24″ (2 ft.) - $3,731.92 ea.
  • 36″ (3 ft.) - $5,412.90 ea.
  • 48″ (4 ft.) - $7,032.75 ea.
  • 72″ (6 ft.) - $10,469.27 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

$1,120.71 ea.
$1,120.71 for 1

3.25" Chrome Zirconium Copper Round Bar 18150 - 
Part #: mp-00041228

3.25" Chrome Zirconium Copper Round Bar 18150 -
Part #: mp-00041228

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Sold & shipped by Southern Copper

Dimensions

  • Diameter: 3.25"
  • Ships In: 1 Business Day
See all available dimensions for this product
  • 12″ (1 ft.) - $704.93 ea.
  • 24″ (2 ft.) - $1,409.87 ea.
  • 36″ (3 ft.) - $2,114.80 ea.
  • 48″ (4 ft.) - $2,819.73 ea.
  • 60″ (5 ft.) - $3,524.66 ea.
  • 72″ (6 ft.) - $4,229.60 ea.
  • 84″ (7 ft.) - $4,934.53 ea.
  • 96″ (8 ft.) - $5,639.46 ea.
  • 108″ (9 ft.) - $6,344.40 ea.
  • 120″ (10 ft.) - $7,049.33 ea.
  • 132″ (11 ft.) - $7,754.26 ea.
  • 144″ (12 ft.) - $8,459.19 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.
Create Custom Cut

QTY

$704.93 ea.
$704.93 for 1

3 1/4" Stainless Round Bar 321 - 
Part #: mp-00041719

3 1/4" Stainless Round Bar 321 -
Part #: mp-00041719

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Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 3.25"
See all available dimensions for this product
  • 6″ (6 in.) - $340.50 ea.
  • 12″ (1 ft.) - $505.78 ea.
  • 24″ (2 ft.) - $789.01 ea.
  • 36″ (3 ft.) - $1,080.47 ea.
  • 48″ (4 ft.) - $1,361.34 ea.
  • 72″ (6 ft.) - $1,962.37 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

$340.50 ea.
$340.50 for 1

3 1/4" Stainless Round Bar 347 - 
Part #: mp-00041835

3 1/4" Stainless Round Bar 347 -
Part #: mp-00041835

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Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 3.25"
See all available dimensions for this product
  • 6″ (6 in.) - $329.26 ea.
  • 12″ (1 ft.) - $483.30 ea.
  • 24″ (2 ft.) - $746.58 ea.
  • 36″ (3 ft.) - $1,018.01 ea.
  • 48″ (4 ft.) - $1,279.57 ea.
  • 72″ (6 ft.) - $1,839.71 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

$329.26 ea.
$329.26 for 1

3 1/4" Nickel Round Bar 625 - 
Part #: mp-00041884

3 1/4" Nickel Round Bar 625 -
Part #: mp-00041884

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Sold & shipped by Slice of Stainless

Dimensions

  • Diameter: 3.25"
See all available dimensions for this product
  • 6″ (6 in.) - $1,218.39 ea.
  • 12″ (1 ft.) - $2,261.11 ea.
  • 24″ (2 ft.) - $4,100.54 ea.
  • 36″ (3 ft.) - $5,955.58 ea.
  • 48″ (4 ft.) - $7,743.16 ea.
  • 72″ (6 ft.) - $11,534.89 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

$1,218.39 ea.
$1,218.39 for 1

3.25" OD Chromium Copper Round Bar 182 Class 2 - 
Part #: mp-00042930

3.25" OD Chromium Copper Round Bar 182 Class 2 -
Part #: mp-00042930

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Sold & shipped by Southern Copper

Dimensions

  • Diameter: 3.25"
See all available dimensions for this product
  • 12″ (1 ft.) - $624.83 ea.
  • 24″ (2 ft.) - $1,249.65 ea.
  • 36″ (3 ft.) - $1,874.48 ea.
  • 48″ (4 ft.) - $2,499.31 ea.
  • 72″ (6 ft.) - $3,748.96 ea.
  • 96″ (8 ft.) - $4,998.61 ea.
  • 144″ (12 ft.) - $7,497.92 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.
Create Custom Cut

QTY

$624.83 ea.
$624.83 for 1

3 3/8" Stainless Round Bar 316/316L Annealed Cold Finish - 
Part #: 21824

3 3/8" Stainless Round Bar 316/316L Annealed Cold Finish -
Part #: 21824

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stainless-round-bar-316-cold-finish-1superZoom

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $306.66 ea.
  • 24″ (2 ft.) - $579.60 ea.
  • 36″ (3 ft.) - $855.93 ea.
  • 48″ (4 ft.) - $1,109.77 ea.
  • 72″ (6 ft.) - $1,529.87 ea.
  • 96″ (8 ft.) - $1,958.95 ea.
  • 144″ (12 ft.) - $2,695.80 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

$306.66 ea.
$306.66 for 1

3 3/8" Stainless Round Bar 17-4 PH Cond. A Rough Turned - 
Part #: 7302

3 3/8" Stainless Round Bar 17-4 PH Cond. A Rough Turned -
Part #: 7302

Click for more details

stainless-round-bar-17-4-annealed-rough-turned-ph-1superZoom

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $496.10 ea.
  • 24″ (2 ft.) - $937.68 ea.
  • 36″ (3 ft.) - $1,384.71 ea.
  • 48″ (4 ft.) - $1,795.39 ea.
  • 72″ (6 ft.) - $2,475.03 ea.
  • 96″ (8 ft.) - $3,169.20 ea.
  • 144″ (12 ft.) - $4,361.28 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

$496.10 ea.
$496.10 for 1

3 3/8" Brass Round Bar 360-H02 Extruded - 
Part #: 19889

3 3/8" Brass Round Bar 360-H02 Extruded -
Part #: 19889

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brass-round-bar-360-h02-1superZoom

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $743.92 ea.
  • 24″ (2 ft.) - $1,406.07 ea.
  • 36″ (3 ft.) - $2,076.42 ea.
  • 48″ (4 ft.) - $2,692.28 ea.
  • 144″ (12 ft.) - $6,539.92 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.
Create Custom Cut

QTY

$743.92 ea.
$743.92 for 1

3 3/8" Stainless Round Bar 440C Cold Finish - 
Part #: 18515

3 3/8" Stainless Round Bar 440C Cold Finish-
Part #: 18515

Click for more details

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

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 3/8" Stainless Round Bar 303 Annealed Rough Turned - 
Part #: 24689

3 3/8" Stainless Round Bar 303 Annealed Rough Turned -
Part #: 24689

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $261.40 ea.
  • 24″ (2 ft.) - $494.10 ea.
  • 36″ (3 ft.) - $729.64 ea.
  • 48″ (4 ft.) - $946.03 ea.
  • 72″ (6 ft.) - $1,304.16 ea.
  • 96″ (8 ft.) - $1,669.92 ea.
  • 144″ (12 ft.) - $2,298.06 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

$261.40 ea.
$261.40 for 1

3 3/8" Stainless Round Bar 304 Annealed Rough Turned - 
Part #: 24706

3 3/8" Stainless Round Bar 304 Annealed Rough Turned -
Part #: 24706

Click for more details

stainless-round-bar-304-1superZoom

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $277.31 ea.
  • 24″ (2 ft.) - $524.18 ea.
  • 36″ (3 ft.) - $774.07 ea.
  • 48″ (4 ft.) - $1,003.66 ea.
  • 72″ (6 ft.) - $1,383.57 ea.
  • 96″ (8 ft.) - $1,771.62 ea.
  • 144″ (12 ft.) - $2,438.02 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

$277.31 ea.
$277.31 for 1

3 3/8" Stainless Round Bar 316 Annealed Rough Turned - 
Part #: 24718

3 3/8" Stainless Round Bar 316 Annealed Rough Turned -
Part #: 24718

Click for more details

stainless-round-bar-316-cold-finish-1superZoom

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $341.00 ea.
  • 24″ (2 ft.) - $644.54 ea.
  • 36″ (3 ft.) - $951.79 ea.
  • 48″ (4 ft.) - $1,234.09 ea.
  • 72″ (6 ft.) - $1,701.25 ea.
  • 96″ (8 ft.) - $2,178.41 ea.
  • 144″ (12 ft.) - $2,997.80 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

$341.00 ea.
$341.00 for 1

3 3/8" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated - 
Part #: mp-00002421

3 3/8" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002421

Click for more details

Sold & shipped by MSP Metals

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

3 3/8" Aluminum Round Bar 6061-T6511-Extruded - 
Part #: 21539

3 3/8" Aluminum Round Bar 6061-T6511-Extruded -
Part #: 21539

Click for more details

aluminum-round-bar-6061-t6511-extruded-1superZoom

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
  • 12″ (1 ft.) - $101.12 ea.
  • 24″ (2 ft.) - $191.12 ea.
  • 36″ (3 ft.) - $282.23 ea.
  • 48″ (4 ft.) - $365.93 ea.
  • 72″ (6 ft.) - $504.46 ea.
  • 96″ (8 ft.) - $645.94 ea.
  • 144″ (12 ft.) - $888.92 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.
Create Custom Cut

QTY

$101.12 ea.
$101.12 for 1

3 3/8" Aluminum Round Bar 2024-T351-Cold Finish - 
Part #: 26317

3 3/8" Aluminum Round Bar 2024-T351-Cold Finish-
Part #: 26317

Click for more details

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

Dimensions

  • Diameter: 3.375"
See all available dimensions for this product
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 1/2" Brass Round Bar 464 - 
Part #: 13458

3 1/2" Brass Round Bar 464 -
Part #: 13458

Click for more details

brass-round-bar-464-h02-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $579.55 ea.
  • 24″ (2 ft.) - $1,095.44 ea.
  • 36″ (3 ft.) - $1,617.68 ea.
  • 48″ (4 ft.) - $2,097.47 ea.
  • 72″ (6 ft.) - $2,891.46 ea.
  • 96″ (8 ft.) - $3,702.42 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

$579.55 ea.
$579.55 for 1

3 1/2" Stainless Round Bar 303-Annealed Cold Finish - 
Part #: 2038

3 1/2" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2038

Click for more details

stainless-round-bar-303-annealed-cold-finish-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $284.84 ea.
  • 24″ (2 ft.) - $538.34 ea.
  • 36″ (3 ft.) - $795.00 ea.
  • 48″ (4 ft.) - $1,030.80 ea.
  • 144″ (12 ft.) - $2,503.95 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

$284.84 ea.
$284.84 for 1

3 1/2" Stainless Round Bar 316/316L Annealed Cold Finish - 
Part #: 4499

3 1/2" Stainless Round Bar 316/316L Annealed Cold Finish -
Part #: 4499

Click for more details

stainless-round-bar-316-cold-finish-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $367.61 ea.
  • 24″ (2 ft.) - $694.84 ea.
  • 36″ (3 ft.) - $1,026.07 ea.
  • 48″ (4 ft.) - $1,330.40 ea.
  • 144″ (12 ft.) - $3,231.74 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

$367.61 ea.
$367.61 for 1

3 1/2" Stainless Round Bar 17-4 PH Cond. A Rough Turned - 
Part #: 7303

3 1/2" Stainless Round Bar 17-4 PH Cond. A Rough Turned -
Part #: 7303

Click for more details

stainless-round-bar-17-4-annealed-rough-turned-ph-1superZoom

Dimensions

  • Diameter: 3.5"
See all available dimensions for this product
  • 12″ (1 ft.) - $380.41 ea.
  • 24″ (2 ft.) - $719.05 ea.
  • 36″ (3 ft.) - $1,061.85 ea.
  • 48″ (4 ft.) - $1,376.76 ea.
  • 72″ (6 ft.) - $1,897.94 ea.
  • 96″ (8 ft.) - $2,430.26 ea.
  • 144″ (12 ft.) - $3,344.38 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

$380.41 ea.
$380.41 for 1

3 1/2" Alloy Steel Round Bar 4130-Normalized Cold Finish - 
Part #: 15978

3 1/2" 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
  • 12″ (1 ft.) - $1,364.75 ea.
  • 24″ (2 ft.) - $2,579.52 ea.
  • 36″ (3 ft.) - $3,809.29 ea.
  • 48″ (4 ft.) - $4,939.07 ea.
  • 72″ (6 ft.) - $6,808.73 ea.
  • 96″ (8 ft.) - $8,718.38 ea.
  • 144″ (12 ft.) - $11,997.74 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

$1,364.75 ea.
$1,364.75 for 1

3 1/2" Alloy Steel Round Bar 4340-Normalized Rough Turned - 
Part #: 7408

3 1/2" 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.

Can't find what you're looking for?

Contact us for a custom quote