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Alloy Steel Rectangle Bar

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-main

Alloy Steel Rectangle Bar

We carry Alloy Steel Rectangle/Flat Bar in 4142 Prehardened (Chromoly) and 4340. Alloy steel rectangle/flat bar stock is available in full size and custom cut lengths.

Material Properties

Alloy Steel Product Guide |

Alloy Steel Rectangle Bar Tolerances

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-main

Alloy Steel Rectangle Bar

We carry Alloy Steel Rectangle/Flat Bar in 4142 Prehardened (Chromoly) and 4340. Alloy steel rectangle/flat bar stock is available in full size and custom cut lengths.

Material Properties

Alloy Steel Product Guide |

Alloy Steel Rectangle Bar Tolerances

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246 results

246 results

1/2" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19145

Select a Cut Size

QTY

Update

$94.30 for 1

$94.30 ea.

Dimensions

Thickness: 0.5"
Width: 0.75"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19145

1/2" x 1" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19154

Select a Cut Size

QTY

Update

$109.00 for 1

$109.00 ea.

Dimensions

Thickness: 0.5"
Width: 1"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19154

1/2" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19162

Select a Cut Size

QTY

Update

$119.90 for 1

$119.90 ea.

Dimensions

Thickness: 0.5"
Width: 1.25"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19162

1/2" x 1 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19173

Select a Cut Size

QTY

Update

$132.65 for 1

$132.65 ea.

Dimensions

Thickness: 0.5"
Width: 1.5"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19173

1/2" x 1 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19182

Select a Cut Size

QTY

Update

$155.38 for 1

$155.38 ea.

Dimensions

Thickness: 0.5"
Width: 1.75"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19182

1/2" x 2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19192

Select a Cut Size

QTY

Update

$158.23 for 1

$158.23 ea.

Dimensions

Thickness: 0.5"
Width: 2"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19192

1/2" x 2 1/2" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19201

Select a Cut Size

QTY

Update

$183.73 for 1

$183.73 ea.

Dimensions

Thickness: 0.5"
Width: 2.5"

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19201

1/2" x 3" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19212

Select a Cut Size

QTY

Update

$209.27 for 1

$209.27 ea.

Dimensions

Thickness: 0.5"
Width: 3"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19212

1/2" x 10" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19262

Select a Cut Size

QTY

Update

$611.95 for 1

$611.95 ea.

Dimensions

Thickness: 0.5"
Width: 10"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

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alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19262

1/2" x 1" Alloy Steel Rectangle Bar 4340 Cold Drawn - Part # 25674

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

0.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002551

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$137.16 for 1

$137.16 ea.

Dimensions

Thickness: 0.5"
Width: 8"

Click for more details

0.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

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0.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002551

0.5" X 8" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002551

Dimensions

Thickness: 0.5"
Width: 8"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $137.16 ea.
24″ (2 ft.) - $274.32 ea.
36″ (3 ft.) - $411.48 ea.
48″ (4 ft.) - $548.63 ea.
60″ (5 ft.) - $685.80 ea.
72″ (6 ft.) - $822.95 ea.

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

0.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002580

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$68.59 for 1

$68.59 ea.

Dimensions

Thickness: 0.5"
Width: 4"

Click for more details

0.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002580

0.5" X 4" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002580

Dimensions

Thickness: 0.5"
Width: 4"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $68.59 ea.
24″ (2 ft.) - $137.16 ea.
36″ (3 ft.) - $205.76 ea.
48″ (4 ft.) - $274.32 ea.
60″ (5 ft.) - $342.91 ea.
72″ (6 ft.) - $411.48 ea.

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

0.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002575

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$51.21 for 1

$51.21 ea.

Dimensions

Thickness: 0.5"
Width: 3"

Click for more details

0.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002575

0.5" X 3" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002575

Dimensions

Thickness: 0.5"
Width: 3"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $51.21 ea.
24″ (2 ft.) - $102.39 ea.
36″ (3 ft.) - $153.59 ea.
48″ (4 ft.) - $204.77 ea.
60″ (5 ft.) - $255.98 ea.
72″ (6 ft.) - $307.16 ea.

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

0.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002594

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$204.77 for 1

$204.77 ea.

Dimensions

Thickness: 0.5"
Width: 12"

Click for more details

0.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002594

0.5" X 12" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002594

Dimensions

Thickness: 0.5"
Width: 12"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $204.77 ea.
24″ (2 ft.) - $409.54 ea.
36″ (3 ft.) - $614.32 ea.
48″ (4 ft.) - $819.09 ea.
60″ (5 ft.) - $1,023.87 ea.
72″ (6 ft.) - $1,228.64 ea.

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

0.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002600

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$33.81 for 1

$33.81 ea.

Dimensions

Thickness: 0.5"
Width: 2"

Click for more details

0.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002600

0.5" X 2" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002600

Dimensions

Thickness: 0.5"
Width: 2"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $33.81 ea.
24″ (2 ft.) - $67.61 ea.
36″ (3 ft.) - $101.43 ea.
48″ (4 ft.) - $135.23 ea.
60″ (5 ft.) - $169.03 ea.
72″ (6 ft.) - $202.84 ea.

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

0.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002640

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$26.10 for 1

$26.10 ea.

Dimensions

Thickness: 0.5"
Width: 1.5"

Click for more details

0.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002640

0.5" X 1.5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002640

Dimensions

Thickness: 0.5"
Width: 1.5"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $26.10 ea.
24″ (2 ft.) - $52.16 ea.
36″ (3 ft.) - $78.24 ea.
48″ (4 ft.) - $104.32 ea.
60″ (5 ft.) - $130.40 ea.
72″ (6 ft.) - $156.48 ea.

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

0.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002649

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$102.39 for 1

$102.39 ea.

Dimensions

Thickness: 0.5"
Width: 6"

Click for more details

0.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002649

0.5" X 6" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002649

Dimensions

Thickness: 0.5"
Width: 6"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $102.39 ea.
24″ (2 ft.) - $204.77 ea.
36″ (3 ft.) - $307.16 ea.
48″ (4 ft.) - $409.54 ea.
60″ (5 ft.) - $511.93 ea.
72″ (6 ft.) - $614.32 ea.

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

0.5" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002651

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$17.39 for 1

$17.39 ea.

Dimensions

Thickness: 0.5"
Width: 1"

Click for more details

0.5" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002651

0.5" X 1" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002651

Dimensions

Thickness: 0.5"
Width: 1"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $17.39 ea.
24″ (2 ft.) - $34.76 ea.
36″ (3 ft.) - $52.16 ea.
48″ (4 ft.) - $69.55 ea.
60″ (5 ft.) - $86.93 ea.
72″ (6 ft.) - $104.32 ea.

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

0.5" X 5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002650

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$85.97 for 1

$85.97 ea.

Dimensions

Thickness: 0.5"
Width: 5"

Click for more details

0.5" X 5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-mob{product.code}

Material Meets These Standard(s): ASTM-A 829

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

0.5" X 5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate]-deskmp-00002650

0.5" X 5" Alloy Steel Rectangle Bar 4140 Heat Treated [Cut from Plate] Part # mp-00002650

Dimensions

Thickness: 0.5"
Width: 5"

Material Meets These Standard(s): ASTM-A 829

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $85.97 ea.
24″ (2 ft.) - $171.93 ea.
36″ (3 ft.) - $257.91 ea.
48″ (4 ft.) - $343.86 ea.
60″ (5 ft.) - $429.83 ea.
72″ (6 ft.) - $515.79 ea.

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

1/2" x 3" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn - Part # 28842

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

5/8" x 6" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19249

Select a Cut Size

QTY

Update

$401.38 for 1

$401.38 ea.

Dimensions

Thickness: 0.625"
Width: 6"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19249

5/8" x 4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19232

Select a Cut Size

QTY

Update

$303.02 for 1

$303.02 ea.

Dimensions

Thickness: 0.625"
Width: 4"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19232

5/8" x 3/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19146

Select a Cut Size

QTY

Update

$122.40 for 1

$122.40 ea.

Dimensions

Thickness: 0.625"
Width: 0.75"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19146

5/8" x 1" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19155

Select a Cut Size

QTY

Update

$129.60 for 1

$129.60 ea.

Dimensions

Thickness: 0.625"
Width: 1"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19155

5/8" x 1 1/4" Alloy Steel Rectangle Bar 4142-Prehardened Part # 19163

Select a Cut Size

QTY

Update

$143.63 for 1

$143.63 ea.

Dimensions

Thickness: 0.625"
Width: 1.25"

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322

Key Features

FREE MTR Available

View more product details

Click for more details

alloy-steel-rectangle-bar-4142-prehardened-1superZoom-desk19163

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