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Carbon Steel Round Bar

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Carbon Steel Round Bar

With 6 different alloys available, you can rely our selection of carbon steel round bars as a core component of your next project. Economical and strong, as one of the nation's top carbon steel suppliers, we offer standard and custom-cut lengths at prices that can't be beat – with no minimums!

We carry Carbon Steel Round Bar/Rod in A36, 1018, 1045, 1144, and 12L14. Most of our cold roll round bar/rod stock is available in full size and custom cut lengths.

Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Hot Roll vs Cold Roll Steel

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Defense Grade Store

Material Properties

Carbon Steel Product Guide

round-bar-large-drillrod-new-min-4superZoom-main

Carbon Steel Round Bar

With 6 different alloys available, you can rely our selection of carbon steel round bars as a core component of your next project. Economical and strong, as one of the nation's top carbon steel suppliers, we offer standard and custom-cut lengths at prices that can't be beat – with no minimums!

We carry Carbon Steel Round Bar/Rod in A36, 1018, 1045, 1144, and 12L14. Most of our cold roll round bar/rod stock is available in full size and custom cut lengths.

Relevant Knowledge Hub Resources: 5 Reasons to Cut to Size | Hot Roll vs Cold Roll Steel

Marketplace Icon

Defense Grade Store

Material Properties

Carbon Steel Product Guide

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341 results

341 results

5mm Carbon Steel Round Bar 1045 TGP Metric 36" Length [+/- 2"] Part # 24628

Pack of 5

QTY

Update

$174.05

$174.05 ea.

Dimensions

Diameter: 5mm

Click for more details

cold-roll-round-bar-1045-cold-finish-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR Available

View more product details

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cold-roll-round-bar-1045-cold-finish-1superZoom-desk24628

5mm Carbon Steel Round Bar 1045 TGP Metric 72" Length [+/- 2"] Part # 24629

Pack of 3

QTY

Update

$208.86

$208.86 ea.

Dimensions

Diameter: 5mm

Click for more details

cold-roll-round-bar-1045-cold-finish-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR Available

View more product details

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cold-roll-round-bar-1045-cold-finish-1superZoom-desk24629

5" Carbon Steel Round Bar 1018 Cold Finish Part # 27113

Select a Size or Custom Cut

QTY

Update

$360.28 for 1

$360.28 ea.

Dimensions

Diameter: 5"

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mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-round-bar-1018-1superZoom-desk27113

5mm Carbon Steel Round Bar 1215 TGP Metric 36" Length [+/- 2"] Part # 28288

Pack of 10

QTY

Update

$84.50

$84.50 ea.

Dimensions

Diameter: 5mm

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Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

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5mm Carbon Steel Round Bar 1215 TGP Metric 72" Length [+/- 2"] Part # 28289

Pack of 5

QTY

Update

$84.50

$84.50 ea.

Dimensions

Diameter: 5mm

Click for more details

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Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

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5mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 36" Length [+/- 2"] Part # 28286

Pack of 4

QTY

Update

$79.24

$79.24 ea.

Dimensions

Diameter: 5mm

Click for more details

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Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

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5mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 72" Length [+/- 2"] Part # 28287

Pack of 2

QTY

Update

$79.24

$79.24 ea.

Dimensions

Diameter: 5mm

Click for more details

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Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

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5" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030412

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$386.33 for 1

$386.33 ea.

Dimensions

Diameter: 5"

Click for more details

mild-steel-round-bar-1018-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

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mild-steel-round-bar-1018-cold-finish-1superZoom-deskmp-00030412

5" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030412

Dimensions

Diameter: 5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $386.33 ea.
24″ (2 ft.) - $772.64 ea.
36″ (3 ft.) - $1,158.97 ea.
48″ (4 ft.) - $1,545.29 ea.
60″ (5 ft.) - $1,931.62 ea.
72″ (6 ft.) - $2,317.94 ea.

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

5" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00066969

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$499.80 for 1

$499.80 ea.

Dimensions

Diameter: 5"

Click for more details

5" Carbon Steel Round Bar 12L14 Cold Finish-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

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5" Carbon Steel Round Bar 12L14 Cold Finish-deskmp-00066969

5" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00066969

Dimensions

Diameter: 5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $499.80 ea.
24″ (2 ft.) - $951.30 ea.
36″ (3 ft.) - $1,417.50 ea.
48″ (4 ft.) - $1,869.00 ea.
72″ (6 ft.) - $2,677.50 ea.
144″ (12 ft.) - $5,143.95 ea.

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

5" Carbon Steel Round Bar 1045 Ground and Polished - Part # 28850

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

5 1/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030401

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$411.44 for 1

$411.44 ea.

Dimensions

Diameter: 5.25"

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-deskmp-00030401

5 1/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030401

Dimensions

Diameter: 5.25"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $411.44 ea.
24″ (2 ft.) - $822.89 ea.
36″ (3 ft.) - $1,234.33 ea.
48″ (4 ft.) - $1,645.77 ea.
60″ (5 ft.) - $2,057.22 ea.
72″ (6 ft.) - $2,468.67 ea.

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

5 1/2" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030396

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$433.95 for 1

$433.95 ea.

Dimensions

Diameter: 5.5"

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-deskmp-00030396

5 1/2" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030396

Dimensions

Diameter: 5.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $433.95 ea.
24″ (2 ft.) - $867.90 ea.
36″ (3 ft.) - $1,301.85 ea.
48″ (4 ft.) - $1,735.79 ea.
60″ (5 ft.) - $2,169.74 ea.
72″ (6 ft.) - $2,603.69 ea.

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

5 1/2" Carbon Steel Round Bar 1018 Cold Finish Part # mp-00063114

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$290.47 for 1

$290.47 ea.

Dimensions

Diameter: 5.5"

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-deskmp-00063114

5 1/2" Carbon Steel Round Bar 1018 Cold Finish Part # mp-00063114

Dimensions

Diameter: 5.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $290.47 ea.
24″ (2 ft.) - $580.94 ea.
36″ (3 ft.) - $871.42 ea.
48″ (4 ft.) - $1,161.89 ea.
60″ (5 ft.) - $1,452.36 ea.
72″ (6 ft.) - $1,742.83 ea.

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

5 3/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030407

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$463.70 for 1

$463.70 ea.

Dimensions

Diameter: 5.75"

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-deskmp-00030407

5 3/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030407

Dimensions

Diameter: 5.75"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $463.70 ea.
24″ (2 ft.) - $927.38 ea.
36″ (3 ft.) - $1,391.08 ea.
48″ (4 ft.) - $1,854.77 ea.
60″ (5 ft.) - $2,318.46 ea.
72″ (6 ft.) - $2,782.15 ea.

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

6mm Carbon Steel Round Bar 1045 TGP Metric 36" Length [+/- 2"] Part # 24630

Pack of 6

QTY

Update

$143.94

$143.94 ea.

Dimensions

Diameter: 6mm

Click for more details

cold-roll-round-bar-1045-cold-finish-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR Available

View more product details

Click for more details

cold-roll-round-bar-1045-cold-finish-1superZoom-desk24630

6mm Carbon Steel Round Bar 1045 TGP Metric 72" Length [+/- 2"] Part # 24631

Pack of 3

QTY

Update

$144.00

$144.00 ea.

Dimensions

Diameter: 6mm

Click for more details

cold-roll-round-bar-1045-cold-finish-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A108 , ASTM-A29

Key Features

FREE MTR Available

View more product details

Click for more details

cold-roll-round-bar-1045-cold-finish-1superZoom-desk24631

6mm Carbon Steel Round Bar 1215 TGP Metric 72" Length [+/- 2"] Part # 28294

Pack of 1

QTY

Update

$67.49

$67.49 ea.

Dimensions

Diameter: 6mm

Click for more details

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Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

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6mm Carbon Steel Round Bar 1215 TGP Metric 36" Length [+/- 2"] Part # 28293

Pack of 3

QTY

Update

$101.21

$101.21 ea.

Dimensions

Diameter: 6mm

Click for more details

Placeholder for future product image

Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

Click for more details

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6mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 72" Length [+/- 2"] Part # 28291

Pack of 2

QTY

Update

$84.95

$84.95 ea.

Dimensions

Diameter: 6mm

Click for more details

Placeholder for future product image

Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

Click for more details

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6mm Carbon Steel Round Bar 1215 TGP Metric 12" Length [+/- 2"] Part # 28292

Pack of 8

QTY

Update

$89.98

$89.98 ea.

Dimensions

Diameter: 6mm

Click for more details

Placeholder for future product image

Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

Click for more details

Placeholder for future product image

6mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 36" Length [+/- 2"] Part # 28290

Pack of 4

QTY

Update

$84.95

$84.95 ea.

Dimensions

Diameter: 6mm

Click for more details

Placeholder for future product image

Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

Click for more details

Placeholder for future product image

6" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030392

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$488.08 for 1

$488.08 ea.

Dimensions

Diameter: 6"

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-deskmp-00030392

6" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030392

Dimensions

Diameter: 6"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $488.08 ea.
24″ (2 ft.) - $976.16 ea.
36″ (3 ft.) - $1,464.23 ea.
48″ (4 ft.) - $1,952.31 ea.
60″ (5 ft.) - $2,440.39 ea.
72″ (6 ft.) - $2,928.47 ea.

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

6 1/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030398

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$519.36 for 1

$519.36 ea.

Dimensions

Diameter: 6.25"

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-deskmp-00030398

6 1/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030398

Dimensions

Diameter: 6.25"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $519.36 ea.
24″ (2 ft.) - $1,038.73 ea.
36″ (3 ft.) - $1,558.08 ea.
48″ (4 ft.) - $2,077.46 ea.
60″ (5 ft.) - $2,596.82 ea.
72″ (6 ft.) - $3,116.19 ea.

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

6 1/2mm Carbon Steel Round Bar 1018 Metric 144" Length [+/- 2"] Part # 27761

Pack of 1

QTY

Update

$239.08

$239.08 ea.

Dimensions

Diameter: 6.5mm

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A29 , ASTM-A108 , ASTM-A311

Key Features

FREE MTR Available

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-desk27761

6 1/2" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030406

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$545.73 for 1

$545.73 ea.

Dimensions

Diameter: 6.5"

Click for more details

mild-steel-round-bar-1018-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

mild-steel-round-bar-1018-1superZoom-deskmp-00030406

6 1/2" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030406

Dimensions

Diameter: 6.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $545.73 ea.
24″ (2 ft.) - $1,091.45 ea.
36″ (3 ft.) - $1,637.17 ea.
48″ (4 ft.) - $2,182.90 ea.
60″ (5 ft.) - $2,728.62 ea.
72″ (6 ft.) - $3,274.35 ea.

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

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