Filter By

Material

Shape This is the shape of the material

Alloy

Thickness

Width

Production Method

Temper

Specs

Unit of Measure

Seller

Category Name

Alloy Steel Rectangle Bar 4340

Alloy Steel Rectangle Bar 4340

Alloy Steel 4340 Flat Bar is normally used for aerospace, heavy-duty industrial, and automotive applications. 4340 steel stock has high strength, toughness, wear resistance, and fatigue strength. It can be machined in all states other than hardened and it is easily welded. 4340 flat bar stock is available in full size. Please contact [email protected] for a quote in a custom size.

Material Properties

Link Icon Alloy Steel 4340 Product Guide | Link Icon Alloy Steel 4340 Rectangle Bar Tolerances

21 Results

3/4" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn Part # 26151

3/4" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 26151
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$5516.88 for 1
$5516.88 ea.
Camera Expand Details

Dimensions

  • Thickness: 0.75"
  • Width: 3"
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

3/4" x 2 1/2" Alloy Steel Rectangle Bar 4340 Cold Drawn Part # 26147

3/4" x 2 1/2" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 26147
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$627.49 for 1
$627.49 ea.
Camera Expand Details

Dimensions

  • Thickness: 0.75"
  • Width: 2.5"
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

3/4" x 1" Alloy Steel Rectangle Bar 4340 Cold Drawn Part # 25675

3/4" x 1" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 25675
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$147.86 for 1
$147.86 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Thickness: 0.75"
  • Width: 1"
  • Temper: Normalized
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): AMS-6415,ASTM-A108,AMS-6409,AMS-6484

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

1 1/4" x 6" Alloy Steel Rectangle Bar 4340 Part # 23066

1 1/4" x 6" Alloy Steel Rectangle Bar 4340 -
Part #: 23066
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$620.34 for 1
$620.34 ea.
Camera Expand Details

Dimensions

  • Thickness: 1.25"
  • Width: 6"
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

2" x 6" Alloy Steel Rectangle Bar 4340 Cold Drawn Part # 29407

2" x 6" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 29407
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$714.60 for 1
$714.60 ea.
Camera Expand Details

Dimensions

  • Thickness: 2"
  • Width: 6"
  • Temper: Normalized
View more product details Click for more details
Placeholder for future product image

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
Placeholder for future product image

2" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled Part # 25681

2" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled -
Part #: 25681
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$526.21 for 1
$526.21 ea.
Camera Expand Details

Dimensions

  • Thickness: 2"
  • Width: 6"
  • Temper: Normalized
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,AMS-6409,AMS-6484

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

2" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn Part # 25676

2" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 25676
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$408.38 for 1
$408.38 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Thickness: 2"
  • Width: 3"
  • Temper: Normalized
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): AMS-6415,ASTM-A108,AMS-6409,AMS-6484

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

2 1/2" x 3" Alloy Steel Rectangle Bar 4340 Part # 25393

2 1/2" x 3" Alloy Steel Rectangle Bar 4340 -
Part #: 25393
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$313.29 for 1
$313.29 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Thickness: 2.5"
  • Width: 3"
  • Temper: N&t
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): AMS-6415,ASTM-A108,AMS-6409,AMS-6484

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

3" x 4" Alloy Steel Rectangle Bar 4340 Cold Drawn Part # 25677

3" x 4" Alloy Steel Rectangle Bar 4340 Cold Drawn -
Part #: 25677
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$770.95 for 1
$770.95 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Thickness: 3"
  • Width: 4"
  • Temper: Normalized
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom
Material Meets These Standard(s): AMS-6415,ASTM-A108,AMS-6409,AMS-6484

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
mild-steel-key-stock-rectangle-1superZoom

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

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.

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

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.

3/4" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn -  Part # 25680

3/4" x 2" Alloy Steel Rectangle Bar 4340 Cold Drawn-
Part #: 25680
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

3/4" x 2" Alloy Steel Rectangle Bar 4340 -  Part # 23150

3/4" x 2" Alloy Steel Rectangle Bar 4340-
Part #: 23150
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" x 4" Alloy Steel Rectangle Bar 4340 Hot Rolled Normalized & Tempered -  Part # 29399

1" x 4" Alloy Steel Rectangle Bar 4340 Hot Rolled Normalized & Tempered-
Part #: 29399
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn -  Part # 29064

1" x 3" Alloy Steel Rectangle Bar 4340 Cold Drawn-
Part #: 29064
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 1/4" x 4" Alloy Steel Rectangle Bar 4340 -  Part # 27859

1 1/4" x 4" Alloy Steel Rectangle Bar 4340-
Part #: 27859
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

rergesison 147 test product Alloy Steel Bar 1 Part # mp-00067699

rergesison 147 test product Alloy Steel Bar 1 -
Part #: mp-00067699
Sold & Shipped by Test_COE Store
Best shipping value:
Single Heat Lot Required
Why are heat lots important?
Heat lots ensure consistent metal properties, full traceability, and quality control, which are critical for precision and reliability in your projects.

By selecting "Single Heat Lot Required" option, we ensure all cut pieces are sourced from a single heat lot for consistency in material characteristics.

QTY

Update
$5.67 for 1
$5.67 ea.
Camera Expand Details

Dimensions

  • Thickness: 1.5"
View more product details Click for more details
Placeholder for future product image

Key Features

CUSTOM CUT USA U.S.A.Made DFARS Compliant MTR MTR AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
Placeholder for future product image

1 1/2" x 3" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn -  Part # 28810

1 1/2" x 3" Alloy Steel Rectangle Bar 4340 Normalized, Tempered, and Cold Drawn-
Part #: 28810
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

**Special Buy** 1 3/4" x 3" Alloy Steel Rectangle Bar 4340 -  Part # 23157

**Special Buy** 1 3/4" x 3" Alloy Steel Rectangle Bar 4340-
Part #: 23157
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 3/4" x 2 1/2" Alloy Steel Rectangle Bar 4340 -  Part # 23149

1 3/4" x 2 1/2" Alloy Steel Rectangle Bar 4340-
Part #: 23149
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

4" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled -  Part # 25683

4" x 6" Alloy Steel Rectangle Bar 4340 Hot Rolled-
Part #: 25683
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

Displaying 1 - 21 of 21 results

Results per page

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

Contact us
.