Metals
Plastics
Other Raw Materials
Machine Ready Stock
Sample Packs & Protoboxes
Bearings, Shafts and Gears
Cable and Wire
Fastening and Bonding
Fittings
Finishing Products
Framing Systems
Tools and Fabricating
Facilities and Maintenance
Architectural & Decorative Components

Metal for Every Lesson, Lab, & Project. Trusted Nationwide By Universities, Schools & Research Institutions. See Why Schools Choose Online Metals

Open for Orders 24/7!

Get a Quick Quote

Deals

Get a Quick Quote

Round Bar

Show full description

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.

Round Bar

Sort by

2765 results

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

Select a Size or Custom Cut

QTY

Update

$1,592.38 for 1

$1,592.38 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

copper-round-bar-101-h04-1superZoom-desk12631

3 1/2" Copper Round Bar 110-H04 Part # 1641

Select a Size or Custom Cut

QTY

Update

$1,205.19 for 1

$1,205.19 ea.

Expand Details

Dimensions

Diameter: 3.5"

Click for more details

copper-round-bar-110-h04-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-B187

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

copper-round-bar-110-h04-1superZoom-desk1641

3 1/2" Copper Round Bar 145-H02 - Part # 21180

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

3 1/2" Maraging Steel Round Bar 250-Annealed Part # 12621

Select a Cut Size

QTY

Update

$2,403.41 for 1

$2,403.41 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

maraging-steel-round-bar-350-1-2-business-dayssuperZoom-desk12621

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

Select a Size or Custom Cut

QTY

Update

$95.96 for 1

$95.96 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

mild-steel-round-bar-1018-cold-finish-1superZoom-desk19921

3 1/2" Nickel Round Bar C276 - Part # 10682

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

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

Select a Size or Custom Cut

QTY

Update

$279.72 for 1

$279.72 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

stainless-round-bar-304-cold-finish-1superZoom_300Wx300H-desk121

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

Select a Size or Custom Cut

QTY

Update

$225.53 for 1

$225.53 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

aluminum-round-bar-2024-t351-cold-finish-1superZoom-desk12644

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

Select a Size or Custom Cut

QTY

Update

$228.45 for 1

$228.45 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

aluminum-round-bar-6061-t651-cold-finish-1superZoom-desk18053

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

Select a Size or Custom Cut

QTY

Update

$140.50 for 1

$140.50 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

aluminum-round-bar-6061-t6511-extruded-1superZoom-desk1104

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

Select a Size or Custom Cut

QTY

Update

$175.10 for 1

$175.10 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

aluminum-round-bar-7075-t651-cold-finish-bare-1superZoom-desk12651

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

Select a Size or Custom Cut

QTY

Update

$453.23 for 1

$453.23 ea.

Expand Details

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

FREE MTR Available

View more product details

Click for more details

brass-round-bar-360-h02-1superZoom-desk1290

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

Select a Size or Custom Cut

QTY

Update

$814.28 for 1

$814.28 ea.

Expand Details

Dimensions

Diameter: 3.5"

Click for more details

brass-round-bar-464-h02-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

brass-round-bar-464-h02-1superZoom-desk13458

3 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002399

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$258.88 for 1

$258.88 ea.

Expand Details

Dimensions

Diameter: 3.5"

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 AVAILABLE product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002399

3 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002399

Dimensions

Diameter: 3.5"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $258.88 ea.
24″ (2 ft.) - $517.78 ea.
72″ (6 ft.) - $1,553.32 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3 1/2" Tool Steel Round Bar D2 Part # mp-00002431

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$328.70 for 1

$328.70 ea.

Expand Details

Dimensions

Diameter: 3.5"

Click for more details

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-cold-finish-1superZoom-deskmp-00002431

3 1/2" Tool Steel Round Bar D2 Part # mp-00002431

Dimensions

Diameter: 3.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $328.70 ea.
24″ (2 ft.) - $657.44 ea.
72″ (6 ft.) - $1,972.28 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3 1/2" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002467

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$275.55 for 1

$275.55 ea.

Expand Details

Dimensions

Diameter: 3.5"

Click for more details

Material Meets These Standard(s): ASTM-B 193 B7

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002467

3 1/2" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002467

Dimensions

Diameter: 3.5"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $275.55 ea.
24″ (2 ft.) - $551.11 ea.
72″ (6 ft.) - $1,653.31 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3.5" OD Chromium Copper Round Bar 182 Class 2 Part # mp-00005130

Sold & Shipped by Southern Copper

Select a Size or Custom Cut

QTY

Update

$661.99 for 1

$661.99 ea.

Expand Details

Buy More & Save up to 10% !

Qty

Price ea.

Savings

2-4

$642.13

5-9

$628.89

10+

$595.79

10%

Less

Dimensions

Diameter: 3.5"
Ships In: 1 Business Day

Click for more details

3.5" OD Chromium Copper Round Bar 182 Class 2-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Returns Acceptable.

View more product details

Click for more details

3.5" OD Chromium Copper Round Bar 182 Class 2-deskmp-00005130

3.5" OD Chromium Copper Round Bar 182 Class 2 Part # mp-00005130

Dimensions

Diameter: 3.5"
Ships In: 1 Business Day

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $661.99 ea.
24″ (2 ft.) - $1,449.30 ea.
36″ (3 ft.) - $1,925.98 ea.
48″ (4 ft.) - $2,898.60 ea.
72″ (6 ft.) - $4,347.91 ea.
96″ (8 ft.) - $5,797.21 ea.
144″ (12 ft.) - $8,695.81 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3 1/2" Stainless Round Bar 17-4 H1150 Part # mp-00005214

Sold & Shipped by AW Metals

Select a Size or Custom Cut

QTY

Update

$200.00 for 1

$200.00 ea.

Expand Details

Dimensions

Diameter: 3.5"
Ships In: 2 Business Days

Click for more details

stainless-round-bar-17-4-annealed-cold-finish-ph-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Returns Acceptable.

View more product details

Click for more details

stainless-round-bar-17-4-annealed-cold-finish-ph-1superZoom-deskmp-00005214

3 1/2" Stainless Round Bar 17-4 H1150 Part # mp-00005214

Dimensions

Diameter: 3.5"
Ships In: 2 Business Days

Select a Size or Custom Cut

+ Create Custom Cut
6″ (6 in.) - $200.00 ea.
12″ (1 ft.) - $350.00 ea.
24″ (2 ft.) - $650.00 ea.
36″ (3 ft.) - $925.00 ea.
48″ (4 ft.) - $1,225.00 ea.
72″ (6 ft.) - $1,800.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3.5" Bronze Round Bar 907 Continuous Cast Part # mp-00034438

Sold & Shipped by Spectrum Machine Inc.

Select a Size

QTY

Update

$547.49 for 1

$547.49 ea.

Expand Details

Dimensions

Diameter: 3.5"

Click for more details

3.5" Bronze Round Bar 907 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

Returns Acceptable.

View more product details

Click for more details

3.5" Bronze Round Bar 907 Continuous Cast-deskmp-00034438

3.5" Bronze Round Bar 907 Continuous Cast Part # mp-00034438

Dimensions

Diameter: 3.5"

Select a Size

12″ (1 ft.) - $547.49 ea.
24″ (2 ft.) - $1,094.97 ea.
72″ (6 ft.) - $3,299.32 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3.5" Bronze Round Bar 905 Continuous Cast Part # mp-00034520

Sold & Shipped by Spectrum Machine Inc.

Select a Size

QTY

Update

$548.67 for 1

$548.67 ea.

Expand Details

Dimensions

Diameter: 3.5"

Click for more details

3.5" Bronze Round Bar 905 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

Returns Acceptable.

View more product details

Click for more details

3.5" Bronze Round Bar 905 Continuous Cast-deskmp-00034520

3.5" Bronze Round Bar 905 Continuous Cast Part # mp-00034520

Dimensions

Diameter: 3.5"

Select a Size

12″ (1 ft.) - $548.67 ea.
24″ (2 ft.) - $1,097.34 ea.
72″ (6 ft.) - $3,306.10 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3.5" Bronze Round Bar 903 Continuous Cast Part # mp-00034543

Sold & Shipped by Spectrum Machine Inc.

Select a Size

QTY

Update

$534.60 for 1

$534.60 ea.

Expand Details

Dimensions

Diameter: 3.5"

Click for more details

3.5" Bronze Round Bar 903 Continuous Cast-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR AVAILABLE product return

Returns Acceptable.

View more product details

Click for more details

3.5" Bronze Round Bar 903 Continuous Cast-deskmp-00034543

3.5" Bronze Round Bar 903 Continuous Cast Part # mp-00034543

Dimensions

Diameter: 3.5"

Select a Size

12″ (1 ft.) - $534.60 ea.
24″ (2 ft.) - $1,069.21 ea.
72″ (6 ft.) - $3,207.62 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3 1/2" Stainless Round Bar 420 Part # mp-00038657

Sold & Shipped by AW Metals

Select a Size or Custom Cut

QTY

Update

$120.00 for 1

$120.00 ea.

Expand Details

Dimensions

Diameter: 3.5"
Ships In: 2 Business Days

Click for more details

stainless-round-bar-316-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Returns Acceptable.

View more product details

Click for more details

stainless-round-bar-316-cold-finish-1superZoom-deskmp-00038657

3 1/2" Stainless Round Bar 420 Part # mp-00038657

Dimensions

Diameter: 3.5"
Ships In: 2 Business Days

Select a Size or Custom Cut

+ Create Custom Cut
6″ (6 in.) - $120.00 ea.
12″ (1 ft.) - $195.00 ea.
24″ (2 ft.) - $340.00 ea.
36″ (3 ft.) - $480.00 ea.
48″ (4 ft.) - $650.00 ea.
72″ (6 ft.) - $995.00 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

3 1/2" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered - Part # 28889

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

3 1/2" Stainless Steel Round Bar 431-Annealed Rough Turned - Part # 28917

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

3.5" Stainless Round Bar Nitronic 50 Annealed Part # mp-00040615

Sold & Shipped by Source One Metals

Select a Size

QTY

Update

$357.41 for 1

$357.41 ea.

Expand Details

Dimensions

Diameter: 3.5"
Ships In: 3-4 Business Days

Click for more details

3.5" Stainless Round Bar Nitronic 50 Annealed-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Returns Acceptable.

View more product details

Click for more details

3.5" Stainless Round Bar Nitronic 50 Annealed-deskmp-00040615

3.5" Stainless Round Bar Nitronic 50 Annealed Part # mp-00040615

Dimensions

Diameter: 3.5"
Ships In: 3-4 Business Days

Select a Size

6″ (6 in.) - $357.41 ea.
12″ (1 ft.) - $592.91 ea.
36″ (3 ft.) - $1,467.67 ea.
72″ (6 ft.) - $2,819.56 ea.

Seller's Info	Custom Cut	MTR	USA Made	Returns	DFARS	Price	Qty

Displaying 1751 - 1775 of 2765 results

Results per page

Open for Orders 24/7!

Round Bar

Round Bar

Round Bar

Sort by

Sort by

More filters

Production Method

Secondary Shape

Surface

Finish

Grade

Color

Unit of Measure

Domestic

DFARS

ASIN

seller

Can't find what you need?

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

QTY

Displaying 1751 - 1775 of 2765 results

Can’t find what you’re looking for? Our team is here to help!