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Round Bar

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Round Bar

We carry metal round bar stock in alloy steel, aluminum, beryllium copper, brass, bronze, carbon fiber, carbon steel, cast iron, copper, 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 3/4" Cast Iron Round Bar G2 Dura-Bar Part # 24016

3 3/4" Cast Iron Round Bar G2 Dura-Bar -
Part #: 24016
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

Update
$68.83 for 1
$68.83 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
cast-iron-dura-bar-roundsuperZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A48

Key Features

MTR FREE MTR Available
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cast-iron-dura-bar-roundsuperZoom-desk24016

3 3/4" Stainless Round Bar 303-Annealed Rough Turned Part # 24692

3 3/4" Stainless Round Bar 303-Annealed Rough Turned -
Part #: 24692
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

Update
$427.63 for 1
$427.63 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
stainless-round-bar-303-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-5640 , ASTM-A582

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-round-bar-303-annealed-cold-finish-1superZoom-desk24692

3 3/4" Stainless Round Bar 304/304L-Annealed Rough Turned Part # 24709

3 3/4" Stainless Round Bar 304/304L-Annealed Rough Turned -
Part #: 24709
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

Update
$299.97 for 1
$299.97 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
stainless-round-bar-304-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-QQ-S-763 , AMS-5639 , AMS-5647 , ASTM-A276 , ASTM-A479

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-round-bar-304-1superZoom-desk24709

3 3/4" Stainless Round Bar 316/316L Annealed Rough Turned Part # 24721

3 3/4" Stainless Round Bar 316/316L Annealed Rough Turned -
Part #: 24721
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

Update
$517.96 for 1
$517.96 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
stainless-round-bar-316-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-QQ-S-763 , ASTM-A276 , ASTM-A479 , AMS-5653 , AMS-5648

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-round-bar-316-cold-finish-1superZoom-desk24721

3 3/4" Aluminum Round Bar 7075-T7351-Cold Finish Part # 25365

3 3/4" Aluminum Round Bar 7075-T7351-Cold Finish -
Part #: 25365
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

Update
$305.84 for 1
$305.84 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
aluminum-round-bar-7075-t651-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-round-bar-7075-t651-cold-finish-1superZoom-desk25365

3 3/4" Aluminum Round Bar 7075-T651-Cold Finish Part # 26324

3 3/4" Aluminum Round Bar 7075-T651-Cold Finish -
Part #: 26324
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

Update
$276.08 for 1
$276.08 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
aluminum-round-bar-7075-t651-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-round-bar-7075-t651-cold-finish-1superZoom-desk26324

3 3/4" Stainless Round Bar 303-Annealed Cold Finish Part # 2039

3 3/4" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2039
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

Update
$306.20 for 1
$306.20 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
stainless-round-bar-303-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-5640 , ASTM-A582

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
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stainless-round-bar-303-annealed-cold-finish-1superZoom-desk2039

3 3/4" Stainless Round Bar 316/316L Annealed Cold Finish Part # 4500

3 3/4" Stainless Round Bar 316/316L Annealed Cold Finish -
Part #: 4500
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

Update
$417.25 for 1
$417.25 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
stainless-round-bar-316-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-QQ-S-763 , ASTM-A276 , ASTM-A479 , AMS-5653 , AMS-5648

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-round-bar-316-cold-finish-1superZoom-desk4500

3 3/4" Bearing Bronze Round Bar 932 (SAE 660) Cast Oversized Part # 14175

3 3/4" Bearing Bronze Round Bar 932 (SAE 660) Cast Oversized -
Part #: 14175
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

Update
$831.97 for 1
$831.97 ea.

Dimensions

  • Diameter: 3.75"
  • Ships In: 2-3 Business Days From Ohio
Click for more details
bronze-round-bar-932-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B505

Key Features

MTR FREE MTR Available
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bronze-round-bar-932-1superZoom-desk14175

3 3/4" Nickel Aluminum Bronze Round Bar 630 Part # 18301

3 3/4" Nickel Aluminum Bronze Round Bar 630 -
Part #: 18301
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

Update
$1,084.14 for 1
$1,084.14 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
bronze-round-bar-630-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B150 , AMS-4640

Key Features

CUSTOM CUT MTR FREE MTR Available
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bronze-round-bar-630-1superZoom-desk18301

3 3/4" Silicon Aluminum Bronze Round Bar 642-Hr50 Part # 18325

3 3/4" Silicon Aluminum Bronze Round Bar 642-Hr50 -
Part #: 18325
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

Update
$767.98 for 1
$767.98 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
bronze-round-bar-642-hr50-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B150 , AMS-4634

Key Features

CUSTOM CUT
View more product details View more product details
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bronze-round-bar-642-hr50-1superZoom-desk18325

3 3/4" Aluminum Bronze Round Bar 954 Cast Oversized Part # 14397

3 3/4" Aluminum Bronze Round Bar 954 Cast Oversized -
Part #: 14397
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

Update
$745.19 for 1
$745.19 ea.

Dimensions

  • Diameter: Finishes To 3.75"
  • Ships In: 2-3 Business Days From Ohio
Click for more details
bronze-round-bar-954-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B505

Key Features

MTR FREE MTR Available
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bronze-round-bar-954-1superZoom-desk14397

3 3/4" Stainless Round Bar 304/304L-Annealed Part # 122

3 3/4" Stainless Round Bar 304/304L-Annealed -
Part #: 122
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

Update
$363.96 for 1
$363.96 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
stainless-round-bar-304-cold-finish-1superZoom_300Wx300H-mob{product.code}
Material Meets These Standard(s): AMS-QQ-S-763 , AMS-5639 , AMS-5647 , ASTM-A276 , ASTM-A479

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
stainless-round-bar-304-cold-finish-1superZoom_300Wx300H-desk122

3 3/4" Aluminum Round Bar 2024-T351-Cold Finish Part # 19922

3 3/4" Aluminum Round Bar 2024-T351-Cold Finish -
Part #: 19922
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

Update
$269.81 for 1
$269.81 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
aluminum-round-bar-2024-t351-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B211 , AMS-4120 , AMS-QQ-A-225/6

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-round-bar-2024-t351-cold-finish-1superZoom-desk19922

3 3/4" Aluminum Round Bar 6061-T651-Cold Finish Part # 18054

3 3/4" Aluminum Round Bar 6061-T651-Cold Finish -
Part #: 18054
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

Update
$261.89 for 1
$261.89 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
aluminum-round-bar-6061-t651-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B211 , AMS-4117

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
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aluminum-round-bar-6061-t651-cold-finish-1superZoom-desk18054

3 3/4" Aluminum Round Bar 6061-T6511-Extruded Part # 10615

3 3/4" Aluminum Round Bar 6061-T6511-Extruded -
Part #: 10615
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

Update
$151.68 for 1
$151.68 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
aluminum-round-bar-6061-t6511-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-QQ-A-200/8 , ASTM-B221

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-round-bar-6061-t6511-1superZoom-desk10615

3 3/4" Brass Round Bar 360-H02 Extruded Part # 1291

3 3/4" Brass Round Bar 360-H02 Extruded -
Part #: 1291
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

Update
$636.02 for 1
$636.02 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
brass-round-bar-360-h02-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B16

Key Features

CUSTOM CUT MTR FREE MTR Available
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brass-round-bar-360-h02-1superZoom-desk1291

3 3/4" Brass Round Bar 464 Part # 13459

3 3/4" Brass Round Bar 464 -
Part #: 13459
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

Update
$2,195.98 for 1
$2,195.98 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
brass-round-bar-464-h02-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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brass-round-bar-464-h02-1superZoom-desk13459

3 3/4" Nickel Round Bar 400 -  Part # 28047

3 3/4" Nickel Round Bar 400-
Part #: 28047
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002440

3 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002440
Sold & Shipped by MSP Metals
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

Update
$294.13 for 1
$294.13 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
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alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002440

3 3/4" Stainless Round Bar 17-4 H1025 -  Part # 28994

3 3/4" Stainless Round Bar 17-4 H1025-
Part #: 28994
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 3/4" Nickel Round Bar 625 Part # mp-00041701

3 3/4" Nickel Round Bar 625 -
Part #: mp-00041701
Sold & Shipped by Slice of Stainless
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

Update
$1,279.47 for 1
$1,279.47 ea.

Dimensions

  • Diameter: 3.75"
  • Ships In: 5-6 Business Days
Click for more details
nickel-round-bar-600-1superZoom-mob{product.code}
Material Meets These Standard(s): AMS-5666 , ASTM-B446 , ASME-SB

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
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nickel-round-bar-600-1superZoom-deskmp-00041701

3 3/4" Nickel Round Bar 718 Part # mp-00041707

3 3/4" Nickel Round Bar 718 -
Part #: mp-00041707
Sold & Shipped by Slice of Stainless
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

Update
$1,334.71 for 1
$1,334.71 ea.

Dimensions

  • Diameter: 3.75"
  • Ships In: 5-6 Business Days
Click for more details
nickel-round-bar-718-1superZoom-mob{product.code}
Material Meets These Standard(s): ASME-SB-637 , AMS-5662 , ASTM-B637

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
View more product details View more product details
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nickel-round-bar-718-1superZoom-deskmp-00041707

3 3/4" Stainless Round Bar 321 Part # mp-00041840

3 3/4" Stainless Round Bar 321 -
Part #: mp-00041840
Sold & Shipped by Slice of Stainless
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

Update
$331.62 for 1
$331.62 ea.

Dimensions

  • Diameter: 3.75"
  • Ships In: 5-6 Business Days
Click for more details
stainless-round-bar-304-cold-finish-1superZoom_300Wx300H-mob{product.code}
Material Meets These Standard(s): ASTM-A276 , AMS-QQ-S-763 , AMS-5645

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
View more product details View more product details
View more product details Click for more details
stainless-round-bar-304-cold-finish-1superZoom_300Wx300H-deskmp-00041840

3.75" Stainless Round Bar 17-4 H1150 Part # mp-00061765

3.75" Stainless Round Bar 17-4 H1150 -
Part #: mp-00061765
Sold & Shipped by AW Metals
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

Update
$230.00 for 1
$230.00 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
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Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Returns Acceptable.
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