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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

2 3/4" Carbon Steel Round Bar A36 Hot Rolled Part # mp-00066964

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$54.60 for 1

$54.60 ea.

Dimensions

Diameter: 2.75"

Click for more details

2 3/4" Carbon Steel Round Bar A36 Hot Rolled-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

2 3/4" Carbon Steel Round Bar A36 Hot Rolled-deskmp-00066964

2 3/4" Carbon Steel Round Bar A36 Hot Rolled Part # mp-00066964

Dimensions

Diameter: 2.75"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $54.60 ea.
24″ (2 ft.) - $109.20 ea.
36″ (3 ft.) - $163.80 ea.
48″ (4 ft.) - $218.40 ea.
72″ (6 ft.) - $317.10 ea.
96″ (8 ft.) - $418.95 ea.
120″ (10 ft.) - $514.50 ea.
240″ (20 ft.) - $971.25 ea.

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

2 3/4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish Part # mp-00066972

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$131.04 for 1

$131.04 ea.

Dimensions

Diameter: 2.75"

Click for more details

2 3/4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish-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

2 3/4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish-deskmp-00066972

2 3/4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish Part # mp-00066972

Dimensions

Diameter: 2.75"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $131.04 ea.
24″ (2 ft.) - $251.27 ea.
36″ (3 ft.) - $371.07 ea.
48″ (4 ft.) - $481.22 ea.
72″ (6 ft.) - $584.43 ea.
144″ (12 ft.) - $1,167.60 ea.

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

2 3/4" Carbon Steel Round Bar 1018 Cold Finish Part # mp-00063095

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$54.60 for 1

$54.60 ea.

Dimensions

Diameter: 2.75"

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-00063095

2 3/4" Carbon Steel Round Bar 1018 Cold Finish Part # mp-00063095

Dimensions

Diameter: 2.75"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $54.60 ea.
24″ (2 ft.) - $109.20 ea.
36″ (3 ft.) - $163.80 ea.
48″ (4 ft.) - $218.40 ea.
60″ (5 ft.) - $273.00 ea.
72″ (6 ft.) - $327.60 ea.

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

3" Carbon Steel Round Bar 1018 Cold Finish Part # 7566

Select a Size or Custom Cut

QTY

Update

$72.73 for 1

$72.73 ea.

Dimensions

Diameter: 3"

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-desk7566

3" Carbon Steel Round Bar 12L14 Cold Drawn Part # 7613

Select a Size or Custom Cut

QTY

Update

$100.90 for 1

$100.90 ea.

Dimensions

Diameter: 3"

Click for more details

carbon-round-bar-12l14-cold-drawn-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

carbon-round-bar-12l14-cold-drawn-1superZoom-desk7613

3" Carbon Steel Round Bar A36 Hot Rolled Part # 10271

Select a Size or Custom Cut

QTY

Update

$62.46 for 1

$62.46 ea.

Dimensions

Diameter: 3"

Click for more details

mild-steel-round-bar-hot-rolled-a36-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-round-bar-hot-rolled-a36-1superZoom-desk10271

3" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish Part # mp-00066973

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$154.25 for 1

$154.25 ea.

Dimensions

Diameter: 3"

Click for more details

3" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish-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

3" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish-deskmp-00066973

3" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish Part # mp-00066973

Dimensions

Diameter: 3"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $154.25 ea.
24″ (2 ft.) - $292.53 ea.
36″ (3 ft.) - $431.87 ea.
48″ (4 ft.) - $559.86 ea.
72″ (6 ft.) - $678.51 ea.
144″ (12 ft.) - $1,150.80 ea.

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

3 1/4" Carbon Steel Round Bar 1018 Cold Finish Part # 20095

Select a Size or Custom Cut

QTY

Update

$82.25 for 1

$82.25 ea.

Dimensions

Diameter: 3.25"

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-desk20095

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

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

3 1/4" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00066966

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$142.80 for 1

$142.80 ea.

Dimensions

Diameter: 3.25"

Click for more details

3 1/4" 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

Click for more details

3 1/4" Carbon Steel Round Bar 12L14 Cold Finish-deskmp-00066966

3 1/4" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00066966

Dimensions

Diameter: 3.25"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $142.80 ea.
24″ (2 ft.) - $273.00 ea.
36″ (3 ft.) - $399.00 ea.
48″ (4 ft.) - $522.90 ea.
72″ (6 ft.) - $777.00 ea.
144″ (12 ft.) - $1,258.95 ea.

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

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

Select a Size or Custom Cut

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

FREE MTR Available

View more product details

Click for more details

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

3 1/2" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00066967

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$273.00 for 1

$273.00 ea.

Dimensions

Diameter: 3.5"

Click for more details

3 1/2" 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

Click for more details

3 1/2" Carbon Steel Round Bar 12L14 Cold Finish-deskmp-00066967

3 1/2" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00066967

Dimensions

Diameter: 3.5"

Select a Size or Custom Cut

+ Create Custom Cut
24″ (2 ft.) - $273.00 ea.
36″ (3 ft.) - $409.50 ea.
48″ (4 ft.) - $523.95 ea.
72″ (6 ft.) - $756.00 ea.
144″ (12 ft.) - $1,459.50 ea.

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

4" Carbon Steel Round Bar 1018 Cold Finish Part # 13570

Select a Size or Custom Cut

QTY

Update

$161.89 for 1

$161.89 ea.

Dimensions

Diameter: 4"

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-desk13570

4mm Carbon Steel Round Bar 1045 TGP Metric 36" Length [+/- 2"] Part # 24626

Pack of 6

QTY

Update

$128.83

$128.83 ea.

Dimensions

Diameter: 4mm

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-desk24626

4mm Carbon Steel Round Bar 1045 TGP Metric 72" Length [+/- 2"] Part # 24627

Pack of 3

QTY

Update

$109.20

$109.20 ea.

Dimensions

Diameter: 4mm

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-desk24627

4mm Carbon Steel Round Bar 1215 TGP Metric 72" Length [+/- 2"] Part # 28285

Pack of 7

QTY

Update

$98.96

$98.96 ea.

Dimensions

Diameter: 4mm

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

Click for more details

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4mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 36" Length [+/- 2"] Part # 28283

Pack of 5

QTY

Update

$92.67

$92.67 ea.

Dimensions

Diameter: 4mm

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

4mm Carbon Steel Round Bar 1144 Stress Relieved TGP Metric 72" Length [+/- 2"] Part # 28284

Pack of 2

QTY

Update

$74.15

$74.15 ea.

Dimensions

Diameter: 4mm

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

4" Carbon Steel Round Bar 1045 Cold Finish - Part # 28782

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

4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish Part # mp-00066971

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$331.80 for 1

$331.80 ea.

Dimensions

Diameter: 4"

Click for more details

4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish-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

4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish-deskmp-00066971

4" Carbon Steel Round Bar 1144-Stress Relieved Cold Finish Part # mp-00066971

Dimensions

Diameter: 4"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $331.80 ea.
24″ (2 ft.) - $625.80 ea.
36″ (3 ft.) - $927.15 ea.
144″ (12 ft.) - $2,773.05 ea.

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

4 1/4" Carbon Steel Round Bar 1141 Hot Rolled - Part # 28054

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

4 1/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030416

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$323.89 for 1

$323.89 ea.

Dimensions

Diameter: 4.25"

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

Click for more details

mild-steel-round-bar-1018-cold-finish-1superZoom-deskmp-00030416

4 1/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030416

Dimensions

Diameter: 4.25"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $323.89 ea.
24″ (2 ft.) - $647.80 ea.
36″ (3 ft.) - $971.69 ea.
48″ (4 ft.) - $1,295.60 ea.
60″ (5 ft.) - $1,619.49 ea.
72″ (6 ft.) - $1,943.39 ea.

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

4 1/2" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030417

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$345.41 for 1

$345.41 ea.

Dimensions

Diameter: 4.5"

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

Click for more details

mild-steel-round-bar-1018-cold-finish-1superZoom-deskmp-00030417

4 1/2" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030417

Dimensions

Diameter: 4.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $345.41 ea.
24″ (2 ft.) - $690.82 ea.
36″ (3 ft.) - $1,036.23 ea.
48″ (4 ft.) - $1,381.64 ea.
60″ (5 ft.) - $1,727.05 ea.
72″ (6 ft.) - $2,072.46 ea.

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

4 1/2" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00063110

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$395.30 for 1

$395.30 ea.

Dimensions

Diameter: 4.5"

Click for more details

carbon-round-bar-12l14-cold-drawn-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

carbon-round-bar-12l14-cold-drawn-1superZoom-deskmp-00063110

4 1/2" Carbon Steel Round Bar 12L14 Cold Finish Part # mp-00063110

Dimensions

Diameter: 4.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $395.30 ea.
24″ (2 ft.) - $790.61 ea.
36″ (3 ft.) - $1,185.91 ea.
48″ (4 ft.) - $1,581.22 ea.
60″ (5 ft.) - $1,976.52 ea.
72″ (6 ft.) - $2,371.82 ea.

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

4 3/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030413

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$365.09 for 1

$365.09 ea.

Dimensions

Diameter: 4.75"

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

Click for more details

mild-steel-round-bar-1018-cold-finish-1superZoom-deskmp-00030413

4 3/4" Carbon Steel Round Bar 1018 Hot Rolled Part # mp-00030413

Dimensions

Diameter: 4.75"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $365.09 ea.
24″ (2 ft.) - $730.18 ea.
36″ (3 ft.) - $1,095.27 ea.
48″ (4 ft.) - $1,460.36 ea.
60″ (5 ft.) - $1,825.46 ea.
72″ (6 ft.) - $2,190.54 ea.

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

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