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

Carbon Steel Square Bar

Show full description

square-bar-large-new-min-4superZoom-main

Carbon Steel Square Bar

We carry Carbon Steel Square Bar in A36, 1018, and 1045.

A36 offers good strength, high durability, heavy weight, easy weldability, and low cost. A36 steel is the most common low-carbon structural steel.

1018 steel is the most commonly available of the cold-rolled steels. It has a good combination of all of the typical traits of steel - strength, some ductility, and comparative ease of welding and machining.

1045 is a commonly used low carbon steel alloy with good strength, ductility, and ease of machining.

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

Material Properties

Carbon Steel Product Guide

Carbon Steel Square Bar

We carry Carbon Steel Square Bar in A36, 1018, and 1045.

A36 offers good strength, high durability, heavy weight, easy weldability, and low cost. A36 steel is the most common low-carbon structural steel.

1045 is a commonly used low carbon steel alloy with good strength, ductility, and ease of machining.

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

Material Properties

Carbon Steel Product Guide

Sort by

78 results

1" Carbon Steel Square Bar 12L14 Part # mp-00066816

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$15.75 for 1

$15.75 ea.

Expand Details

Dimensions

Height: 1"

Click for more details

cold-roll-square-bar-1018-cold-finish-1superZoom-mob{product.code}

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

cold-roll-square-bar-1018-cold-finish-1superZoom-deskmp-00066816

1" Carbon Steel Square Bar 12L14 Part # mp-00066816

Dimensions

Height: 1"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $15.75 ea.
24″ (2 ft.) - $30.66 ea.
36″ (3 ft.) - $45.78 ea.
48″ (4 ft.) - $61.11 ea.
60″ (5 ft.) - $76.34 ea.
72″ (6 ft.) - $91.61 ea.

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

1" Carbon Steel Square Bar 1018 Cold Finish Part # 7179

Select a Size or Custom Cut

QTY

Update

$16.09 for 1

$16.09 ea.

Expand Details

Dimensions

Height: 1"

Click for more details

mild-steel-square-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-square-bar-1018-cold-finish-1superZoom-desk7179

1" Carbon Steel Square Bar A36 Hot Rolled Part # 10282

Select a Size or Custom Cut

QTY

Update

$10.56 for 1

$10.56 ea.

Expand Details

Dimensions

Height: 1"

Click for more details

hot-roll-square-bar-a36-1superZoom-mob{product.code}

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-desk10282

1" Carbon Steel Square Bar 1018 Precision Ground Part # 12483

Select a Cut Size

QTY

Update

$135.58 for 1

$135.58 ea.

Expand Details

Dimensions

Height: 1"

Click for more details

tool-steel-square-bar-1018-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A681

Key Features

FREE MTR Available

View more product details

Click for more details

tool-steel-square-bar-1018-1superZoom-desk12483

1 1/8" Carbon Steel Square Bar 1018 Precision Ground Part # 12375

Select a Cut Size

QTY

Update

$159.70 for 1

$159.70 ea.

Expand Details

Dimensions

Height: 1.125"

Click for more details

Material Meets These Standard(s): ASTM-A681

Key Features

FREE MTR Available

View more product details

Click for more details

tool-steel-square-bar-1018-1superZoom-desk12375

1 1/8" Carbon Steel Square Bar 12L14 Part # mp-00066815

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$19.95 for 1

$19.95 ea.

Expand Details

Dimensions

Height: 1.125"

Click for more details

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

cold-roll-square-bar-1018-cold-finish-1superZoom-deskmp-00066815

1 1/8" Carbon Steel Square Bar 12L14 Part # mp-00066815

Dimensions

Height: 1.125"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $19.95 ea.
24″ (2 ft.) - $39.38 ea.
36″ (3 ft.) - $59.01 ea.
48″ (4 ft.) - $78.59 ea.
60″ (5 ft.) - $98.18 ea.
72″ (6 ft.) - $117.86 ea.

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

1 1/4" Carbon Steel Square Bar A36 Hot Rolled Part # 10283

Select a Size or Custom Cut

QTY

Update

$17.21 for 1

$17.21 ea.

Expand Details

Dimensions

Height: 1.25"

Click for more details

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-desk10283

1 1/4" Carbon Steel Square Bar 1018 Cold Finish Part # 12739

Select a Size or Custom Cut

QTY

Update

$23.77 for 1

$23.77 ea.

Expand Details

Dimensions

Height: 1.25"

Click for more details

Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom-desk12739

1 1/4" Carbon Steel Square Bar 1018 Precision Ground Part # 12486

Select a Cut Size

QTY

Update

$182.18 for 1

$182.18 ea.

Expand Details

Dimensions

Height: 1.25"

Click for more details

Material Meets These Standard(s): ASTM-A681

Key Features

FREE MTR Available

View more product details

Click for more details

tool-steel-square-bar-1018-1superZoom-desk12486

1 1/2" Carbon Steel Square Bar 12L14 Part # mp-00066814

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$63.00 for 1

$63.00 ea.

Expand Details

Dimensions

Height: 1.5"

Click for more details

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

cold-roll-square-bar-1018-cold-finish-1superZoom-deskmp-00066814

1 1/2" Carbon Steel Square Bar 12L14 Part # mp-00066814

Dimensions

Height: 1.5"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $63.00 ea.
24″ (2 ft.) - $124.95 ea.
36″ (3 ft.) - $186.90 ea.
48″ (4 ft.) - $249.27 ea.
60″ (5 ft.) - $311.54 ea.
72″ (6 ft.) - $373.80 ea.

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

1 1/2" Carbon Steel Square Bar 1018 Cold Finish Part # 19578

Select a Size or Custom Cut

QTY

Update

$35.81 for 1

$35.81 ea.

Expand Details

Dimensions

Height: 1.5"

Click for more details

Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom-desk19578

1 1/2" Carbon Steel Square Bar A36 Hot Rolled Part # 10284

Select a Size or Custom Cut

QTY

Update

$26.48 for 1

$26.48 ea.

Expand Details

Dimensions

Height: 1.5"

Click for more details

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-desk10284

1 1/2" Carbon Steel Square Bar 1018 Precision Ground Part # 12488

Select a Cut Size

QTY

Update

$236.84 for 1

$236.84 ea.

Expand Details

Dimensions

Height: 1.5"

Click for more details

Material Meets These Standard(s): ASTM-A681

Key Features

FREE MTR Available

View more product details

Click for more details

tool-steel-square-bar-1018-1superZoom-desk12488

1 3/4" Carbon Steel Square Bar 12L14 Part # mp-00066810

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$48.30 for 1

$48.30 ea.

Expand Details

Dimensions

Height: 1.75"

Click for more details

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

cold-roll-square-bar-1018-cold-finish-1superZoom-deskmp-00066810

1 3/4" Carbon Steel Square Bar 12L14 Part # mp-00066810

Dimensions

Height: 1.75"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $48.30 ea.
24″ (2 ft.) - $95.55 ea.
36″ (3 ft.) - $142.80 ea.
48″ (4 ft.) - $190.47 ea.
60″ (5 ft.) - $238.04 ea.
72″ (6 ft.) - $285.60 ea.

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

1 3/4" Carbon Steel Square Bar 1018 Cold Finish Part # 12740

Select a Size or Custom Cut

QTY

Update

$56.51 for 1

$56.51 ea.

Expand Details

Dimensions

Height: 1.75"

Click for more details

Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom-desk12740

1.75" Carbon Steel Square Bar A36 Hot Rolled Part # mp-00038713

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$53.48 for 1

$53.48 ea.

Expand Details

Dimensions

Height: 1.75"

Click for more details

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-deskmp-00038713

1.75" Carbon Steel Square Bar A36 Hot Rolled Part # mp-00038713

Dimensions

Height: 1.75"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $53.48 ea.
24″ (2 ft.) - $106.96 ea.
36″ (3 ft.) - $160.44 ea.
48″ (4 ft.) - $213.93 ea.
60″ (5 ft.) - $267.39 ea.
72″ (6 ft.) - $320.87 ea.
96″ (8 ft.) - $427.83 ea.
144″ (12 ft.) - $641.76 ea.

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

2" Carbon Steel Square Bar A36 Hot Rolled Part # 10285

Select a Size or Custom Cut

QTY

Update

$38.77 for 1

$38.77 ea.

Expand Details

Dimensions

Height: 2"

Click for more details

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-desk10285

2" Carbon Steel Square Bar 1018 Cold Finish Part # 13230

Select a Size or Custom Cut

QTY

Update

$50.07 for 1

$50.07 ea.

Expand Details

Dimensions

Height: 2"

Click for more details

Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom-desk13230

2" Carbon Steel Square Bar 1018 Precision Ground Part # 12490

Select a Cut Size

QTY

Update

$343.86 for 1

$343.86 ea.

Expand Details

Dimensions

Height: 2"

Click for more details

Material Meets These Standard(s): ASTM-A681

Key Features

FREE MTR Available

View more product details

Click for more details

tool-steel-square-bar-1018-1superZoom-desk12490

2 1/4" Carbon Steel Square Bar 12L14 Part # mp-00066809

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$140.07 for 1

$140.07 ea.

Expand Details

Dimensions

Height: 2.25"

Click for more details

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

cold-roll-square-bar-1018-cold-finish-1superZoom-deskmp-00066809

2 1/4" Carbon Steel Square Bar 12L14 Part # mp-00066809

Dimensions

Height: 2.25"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $140.07 ea.
24″ (2 ft.) - $280.04 ea.
36″ (3 ft.) - $420.00 ea.
48″ (4 ft.) - $560.07 ea.
60″ (5 ft.) - $700.04 ea.
72″ (6 ft.) - $840.00 ea.

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

2.25" Carbon Steel Square Bar A36 Hot Rolled Part # mp-00038667

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$129.83 for 1

$129.83 ea.

Expand Details

Dimensions

Height: 2.25"

Click for more details

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

Non-returnable

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-deskmp-00038667

2.25" Carbon Steel Square Bar A36 Hot Rolled Part # mp-00038667

Dimensions

Height: 2.25"

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $129.83 ea.
24″ (2 ft.) - $259.64 ea.
36″ (3 ft.) - $389.48 ea.
48″ (4 ft.) - $519.30 ea.
60″ (5 ft.) - $649.13 ea.
72″ (6 ft.) - $778.94 ea.
96″ (8 ft.) - $1,038.60 ea.
144″ (12 ft.) - $1,557.90 ea.

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

2 1/4" Carbon Steel Square Bar 1018 Precision Ground Part # 12492

Select a Cut Size

QTY

Update

$410.23 for 1

$410.23 ea.

Expand Details

Dimensions

Height: 2.25"

Click for more details

Material Meets These Standard(s): ASTM-A681

Key Features

FREE MTR Available

View more product details

Click for more details

tool-steel-square-bar-1018-1superZoom-desk12492

2 1/2" Carbon Steel Square Bar 1018 Cold Finish Part # 13231

Select a Size or Custom Cut

QTY

Update

$112.48 for 1

$112.48 ea.

Expand Details

Dimensions

Height: 2.5"

Click for more details

Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

mild-steel-square-bar-1018-cold-finish-1superZoom-desk13231

2 1/2" Carbon Steel Square Bar A36 Hot Rolled Part # 27525

Select a Size or Custom Cut

QTY

Update

$71.20 for 1

$71.20 ea.

Expand Details

Dimensions

Height: 2.5"

Click for more details

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

hot-roll-square-bar-a36-1superZoom-desk27525

2 1/2" Carbon Steel Square Bar 1018 Precision Ground Part # 12493

Select a Cut Size

QTY

Update

$465.38 for 1

$465.38 ea.

Expand Details

Dimensions

Height: 2.5"

Click for more details

Material Meets These Standard(s): ASTM-A681

Key Features

FREE MTR Available

View more product details

Click for more details

tool-steel-square-bar-1018-1superZoom-desk12493

Displaying 26 - 50 of 78 results

Results per page

Open for Orders 24/7!

Carbon Steel Square Bar

Carbon Steel Square Bar

Material Properties

Carbon Steel Square Bar

Material Properties

Sort by

Sort by

More filters

Production Method

Unit of Measure

DFARS

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

QTY

QTY

QTY

QTY

Displaying 26 - 50 of 78 results

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