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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 1/2" Maraging Steel Round Bar 250-Annealed Part # 12621

3 1/2" Maraging Steel Round Bar 250-Annealed -
Part #: 12621
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
$2,403.41 for 1
$2,403.41 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
maraging-steel-round-bar-350-1-2-business-dayssuperZoom-mob{product.code}
Material Meets These Standard(s): AMS-6512 , MIL-S-46850

Key Features

MTR FREE MTR Available
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maraging-steel-round-bar-350-1-2-business-dayssuperZoom-desk12621

3 1/2" Stainless Round Bar 304/304L-Annealed Cold Finish Part # 121

3 1/2" Stainless Round Bar 304/304L-Annealed Cold Finish -
Part #: 121
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
$278.49 for 1
$278.49 ea.

Dimensions

  • Diameter: 3.5"
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
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stainless-round-bar-304-cold-finish-1superZoom_300Wx300H-desk121

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

3 1/2" Stainless Round Bar 303-Annealed Cold Finish -
Part #: 2038
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
$338.17 for 1
$338.17 ea.

Dimensions

  • Diameter: 3.5"
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-desk2038

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
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
$337.26 for 1
$337.26 ea.

Dimensions

  • Diameter: 3.5"
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-desk4499

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
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
$345.40 for 1
$345.40 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
stainless-round-bar-17-4-annealed-rough-turned-ph-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A564 , AMS-5643

Key Features

CUSTOM CUT MTR FREE MTR Available
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stainless-round-bar-17-4-annealed-rough-turned-ph-1superZoom-desk7303

3 1/2" Silicon Bronze Round Bar 655-H04 Part # 23403

3 1/2" Silicon Bronze Round Bar 655-H04 -
Part #: 23403
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
$700.52 for 1
$700.52 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
bronze-round-bar-655-h04-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
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bronze-round-bar-655-h04-1superZoom-desk23403

3 1/2" Brass Round Bar 360-H02 Extruded Part # 1290

3 1/2" Brass Round Bar 360-H02 Extruded -
Part #: 1290
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
$624.84 for 1
$624.84 ea.

Dimensions

  • Diameter: 3.5"
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-desk1290

3 1/2" Copper Round Bar 101-H04 Part # 12631

3 1/2" Copper Round Bar 101-H04 -
Part #: 12631
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
$1,309.69 for 1
$1,309.69 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
copper-round-bar-101-h04-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B187 , ASTM-F68

Key Features

CUSTOM CUT MTR FREE MTR Available
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copper-round-bar-101-h04-1superZoom-desk12631

3 1/2" Carbon Steel Round Bar 1018 Cold Finish Part # 19921

3 1/2" Carbon Steel Round Bar 1018 Cold Finish -
Part #: 19921
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
$139.99 for 1
$139.99 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
mild-steel-round-bar-1018-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT MTR FREE MTR Available
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mild-steel-round-bar-1018-cold-finish-1superZoom-desk19921

3 1/2" Stainless Round Bar Nitronic 60 Part # 10725

3 1/2" Stainless Round Bar Nitronic 60 -
Part #: 10725
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
$1,020.75 for 1
$1,020.75 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
stainless-round-bar-nitronic-60-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A276 , ASTM-A479 , AMS-5848

Key Features

MTR FREE MTR Available
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stainless-round-bar-nitronic-60-1superZoom-desk10725

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
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
$422.99 for 1
$422.99 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(call for availability)

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-desk15978

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
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 1/2" Aluminum Round Bar 2024-T351-Cold Finish Part # 12644

3 1/2" Aluminum Round Bar 2024-T351-Cold Finish -
Part #: 12644
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
$201.17 for 1
$201.17 ea.

Dimensions

  • Diameter: 3.5"
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-desk12644

3 1/2" Aluminum Round Bar 6061-T651-Cold Finish Part # 18053

3 1/2" Aluminum Round Bar 6061-T651-Cold Finish -
Part #: 18053
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
$204.09 for 1
$204.09 ea.

Dimensions

  • Diameter: 3.5"
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
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aluminum-round-bar-6061-t651-cold-finish-1superZoom-desk18053

3 1/2" Aluminum Round Bar 6061-T6511-Extruded Part # 1104

3 1/2" Aluminum Round Bar 6061-T6511-Extruded -
Part #: 1104
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
$125.21 for 1
$125.21 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
aluminum-round-bar-6061-t6511-extruded-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-extruded-1superZoom-desk1104

3 1/2" Aluminum Round Bar 7075-T651-Cold Finish Part # 12651

3 1/2" Aluminum Round Bar 7075-T651-Cold Finish -
Part #: 12651
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
$237.02 for 1
$237.02 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
aluminum-round-bar-7075-t651-cold-finish-bare-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B211 , AMS-QQ-A-225/9 , AMS-4123

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-round-bar-7075-t651-cold-finish-bare-1superZoom-desk12651

3 1/2" Cast Iron Round Bar G2 Dura-Bar -  Part # 24014

3 1/2" Cast Iron Round Bar G2 Dura-Bar-
Part #: 24014
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3 1/2" Stainless Round Bar 303-Annealed Rough Turned Part # 24690

3 1/2" Stainless Round Bar 303-Annealed Rough Turned -
Part #: 24690
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
$299.29 for 1
$299.29 ea.

Dimensions

  • Diameter: 3.5"
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-desk24690

3 1/2" Stainless Round Bar 304/304L-Annealed Rough Turned Part # 24707

3 1/2" Stainless Round Bar 304/304L-Annealed Rough Turned -
Part #: 24707
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
$292.06 for 1
$292.06 ea.

Dimensions

  • Diameter: 3.5"
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-desk24707

3 1/2" Stainless Round Bar 316/316L Annealed Rough Turned Part # 24719

3 1/2" Stainless Round Bar 316/316L Annealed Rough Turned -
Part #: 24719
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
$415.01 for 1
$415.01 ea.

Dimensions

  • Diameter: 3.5"
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
View more product details View more product details
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stainless-round-bar-316-cold-finish-1superZoom-desk24719

3 1/2" Aluminum Round Bar 2011-T3 Cold Finish Part # 24861

3 1/2" Aluminum Round Bar 2011-T3 Cold Finish -
Part #: 24861
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
$321.32 for 1
$321.32 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
aluminum-round-bar-2011-t3-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B211

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-round-bar-2011-t3-1superZoom-desk24861

3 1/2" Aluminum Round Bar 7075-T7351-Cold Finish Part # 25364

3 1/2" Aluminum Round Bar 7075-T7351-Cold Finish -
Part #: 25364
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
$205.13 for 1
$205.13 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
aluminum-round-bar-7075-t651-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B211 , AMS-QQ-A-225/9 , AMS-4124

Key Features

CUSTOM CUT MTR FREE MTR Available
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aluminum-round-bar-7075-t651-cold-finish-1superZoom-desk25364

3 1/2" Manganese Bronze Round Bar 863 Oversized Part # 15877

3 1/2" Manganese Bronze Round Bar 863 Oversized -
Part #: 15877
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
$712.94 for 1
$712.94 ea.

Dimensions

  • Diameter: 3.5"
Click for more details
bronze-round-bar-sae-oil-impregnated-863-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B505

Key Features

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bronze-round-bar-sae-oil-impregnated-863-1superZoom-desk15877

3 1/2" Nickel Aluminum Bronze Round Bar 630 Part # 12979

3 1/2" Nickel Aluminum Bronze Round Bar 630 -
Part #: 12979
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
$1,291.40 for 1
$1,291.40 ea.

Dimensions

  • Diameter: 3.5"
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-desk12979

3 1/2" Bearing Bronze Round Bar 932 (SAE 660) Cast Oversized Part # 10543

3 1/2" Bearing Bronze Round Bar 932 (SAE 660) Cast Oversized -
Part #: 10543
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
$658.67 for 1
$658.67 ea.

Dimensions

  • Diameter: 3.5"
  • 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-desk10543

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