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Hot Rolled Carbon Steel Rectangle Bar

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24-07-2025 - carbon steel bar-rectangle a36 - 1000x1000superZoom-main

Hot Rolled Carbon Steel Rectangle Bar

Hot Rolled Carbon Steel Rectangle/Flat Bar is normally used for structural and industrial applications. This material can be Commercial Quality for smaller sizes and A36 for most other sizes. This material offers good strength, high durability, heavy weight, easy weldability, and low cost. A36 steel is the most common low-carbon structural steel.

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

Defense Grade Store

Structural Store

Material Properties

Carbon Steel A36 Product Guide |

Carbon Steel A36 Rectangle Bar Tolerances

24-07-2025 - carbon steel bar-rectangle a36 - 1000x1000superZoom-main

Hot Rolled Carbon Steel Rectangle Bar

Hot Rolled Carbon Steel Rectangle/Flat Bar is normally used for structural and industrial applications. This material can be Commercial Quality for smaller sizes and A36 for most other sizes. This material offers good strength, high durability, heavy weight, easy weldability, and low cost. A36 steel is the most common low-carbon structural steel.

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

Defense Grade Store

Structural Store

Material Properties

Carbon Steel A36 Product Guide |

Carbon Steel A36 Rectangle Bar Tolerances

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154 results

154 results

3/8" x 2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10059

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QTY

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$7.71 for 1

$7.71 ea.

Dimensions

Thickness: 0.375"
Width: 2"

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

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10059

3/8" x 3" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10062

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QTY

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$11.06 for 1

$11.06 ea.

Dimensions

Thickness: 0.375"
Width: 3"

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

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CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10062

3/8" x 3 1/2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10064

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QTY

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$13.04 for 1

$13.04 ea.

Dimensions

Thickness: 0.375"
Width: 3.5"

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

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FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10064

3/8" x 2 1/2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10061

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QTY

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$9.33 for 1

$9.33 ea.

Dimensions

Thickness: 0.375"
Width: 2.5"

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

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FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10061

3/8" x 4" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10065

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QTY

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$14.93 for 1

$14.93 ea.

Dimensions

Thickness: 0.375"
Width: 4"

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

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10065

3/8" x 6" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10067

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QTY

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$21.85 for 1

$21.85 ea.

Dimensions

Thickness: 0.375"
Width: 6"

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

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10067

3/8" x 8" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10068

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$25.42 for 1

$25.42 ea.

Dimensions

Thickness: 0.375"
Width: 8"

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

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10068

3/8" x 3/4" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10462

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$5.16 for 1

$5.16 ea.

Dimensions

Thickness: 0.375"
Width: 0.75"

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

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10462

0.375" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005210

Sold & Shipped by All Metals Inc

Select a Size or Custom Cut

QTY

Update

$43.95 for 1

$43.95 ea.

Buy More & Save up to 14% !

Qty

Price ea.

Savings

3-7

$41.75

5%

8-20

$39.56

9%

21+

$37.36

14%

More

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Dimensions

Thickness: 0.375"
Width: 12"
Ships In: 1-2 Business Days

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0.375" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Non-returnable

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0.375" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled-deskmp-00005210

0.375" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005210

Dimensions

Thickness: 0.375"
Width: 12"
Ships In: 1-2 Business Days

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $43.95 ea.
18″ (18 in.) - $57.95 ea.
24″ (2 ft.) - $71.95 ea.
30″ (30 in.) - $85.95 ea.
36″ (3 ft.) - $99.95 ea.
42″ (42 in.) - $113.95 ea.
48″ (4 ft.) - $127.95 ea.

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

0.375" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005211

Sold & Shipped by All Metals Inc

Select a Size or Custom Cut

QTY

Update

$39.95 for 1

$39.95 ea.

Buy More & Save up to 14% !

Qty

Price ea.

Savings

3-7

$37.95

5%

8-20

$35.96

9%

21+

$33.96

14%

More

Less

Dimensions

Thickness: 0.375"
Width: 10"
Ships In: 1-2 Business Days

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0.375" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Non-returnable

View more product details

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0.375" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled-deskmp-00005211

0.375" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005211

Dimensions

Thickness: 0.375"
Width: 10"
Ships In: 1-2 Business Days

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $39.95 ea.
18″ (18 in.) - $51.95 ea.
24″ (2 ft.) - $63.95 ea.
30″ (30 in.) - $75.95 ea.
36″ (3 ft.) - $87.95 ea.
42″ (42 in.) - $99.95 ea.
48″ (4 ft.) - $111.95 ea.

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

1/2" x 4" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 9723

Select a Size or Custom Cut

QTY

Update

$19.60 for 1

$19.60 ea.

Dimensions

Thickness: 0.5"
Width: 4"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk9723

1/2" x 1" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10069

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QTY

Update

$4.96 for 1

$4.96 ea.

Dimensions

Thickness: 0.5"
Width: 1"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10069

1/2" x 1 1/4" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10070

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QTY

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$7.35 for 1

$7.35 ea.

Dimensions

Thickness: 0.5"
Width: 1.25"

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

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FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10070

1/2" x 1 1/2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10071

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QTY

Update

$7.81 for 1

$7.81 ea.

Dimensions

Thickness: 0.5"
Width: 1.5"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10071

1/2" x 2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10073

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QTY

Update

$9.83 for 1

$9.83 ea.

Dimensions

Thickness: 0.5"
Width: 2"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10073

1/2" x 2 1/2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10074

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QTY

Update

$12.54 for 1

$12.54 ea.

Dimensions

Thickness: 0.5"
Width: 2.5"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10074

1/2" x 3" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10075

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QTY

Update

$14.40 for 1

$14.40 ea.

Dimensions

Thickness: 0.5"
Width: 3"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10075

1/2" x 3 1/2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10076

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QTY

Update

$17.77 for 1

$17.77 ea.

Dimensions

Thickness: 0.5"
Width: 3.5"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10076

1/2" x 5" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10077

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QTY

Update

$20.23 for 1

$20.23 ea.

Dimensions

Thickness: 0.5"
Width: 5"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10077

1/2" x 6" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10078

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QTY

Update

$23.75 for 1

$23.75 ea.

Dimensions

Thickness: 0.5"
Width: 6"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10078

1/2" x 8" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 10079

Select a Size or Custom Cut

QTY

Update

$33.88 for 1

$33.88 ea.

Dimensions

Thickness: 0.5"
Width: 8"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk10079

1/2" x 4 1/2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 12708

Select a Size or Custom Cut

QTY

Update

$28.10 for 1

$28.10 ea.

Dimensions

Thickness: 0.5"
Width: 4.5"

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

Key Features

CUSTOM CUT

FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk12708

1/2" x 5 1/2" Carbon Steel Rectangle Bar A36 Hot Rolled Part # 25939

Select a Cut Size

QTY

Update

$22.19 for 1

$22.19 ea.

Dimensions

Thickness: 0.5"
Width: 5.5"

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

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FREE MTR Available

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mild-steel-rectangle-bar-hot-rolled-a36-1superZoom-desk25939

0.5" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005212

Sold & Shipped by All Metals Inc

Select a Size or Custom Cut

QTY

Update

$56.95 for 1

$56.95 ea.

Buy More & Save up to 14% !

Qty

Price ea.

Savings

3-7

$54.10

5%

8-20

$51.26

9%

21+

$48.41

14%

More

Less

Dimensions

Thickness: 0.5"
Width: 12"
Ships In: 1-2 Business Days

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0.5" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Non-returnable

View more product details

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0.5" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled-deskmp-00005212

0.5" x 12" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005212

Dimensions

Thickness: 0.5"
Width: 12"
Ships In: 1-2 Business Days

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $56.95 ea.
18″ (18 in.) - $74.95 ea.
24″ (2 ft.) - $92.95 ea.
30″ (30 in.) - $110.95 ea.
36″ (3 ft.) - $128.95 ea.
42″ (42 in.) - $146.95 ea.
48″ (4 ft.) - $164.95 ea.

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

0.5" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005206

Sold & Shipped by All Metals Inc

Select a Size or Custom Cut

QTY

Update

$46.95 for 1

$46.95 ea.

Buy More & Save up to 14% !

Qty

Price ea.

Savings

3-7

$44.60

5%

8-20

$42.26

9%

21+

$39.91

14%

More

Less

Dimensions

Thickness: 0.5"
Width: 10"
Ships In: 1-2 Business Days

Click for more details

0.5" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled-mob{product.code}

Key Features

CUSTOM CUT

U.S.A. Made DFARS Compliant

MTR NOT AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled-deskmp-00005206

0.5" x 10" Carbon Steel Rectangle Bar A36 Hot Rolled Part # mp-00005206

Dimensions

Thickness: 0.5"
Width: 10"
Ships In: 1-2 Business Days

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $46.95 ea.
18″ (18 in.) - $59.95 ea.
24″ (2 ft.) - $72.95 ea.
30″ (30 in.) - $85.95 ea.
36″ (3 ft.) - $98.95 ea.
42″ (42 in.) - $111.95 ea.
48″ (4 ft.) - $124.95 ea.

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

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