Filter By

Material

Shape This is the shape of the material

Alloy

Across Flats

Production Method

Temper

Specs

Unit of Measure

Seller

Category Name

Alloy Steel Hex Bar 4140

Alloy Steel Hex Bar 4140

Alloy Steel Hex Bar 4140 is normally used for heavy-duty industrial applications. Also referred to as Chromoly steel, 4140 is known for strength, resistance to fracturing, abrasion, and impact in high stress applications.

 

We carry 4140 hex bar in the following variations: 4140/4142 Cold Finish and 4140 Metric

Material Properties

Link Icon Alloy Steel 4140 Product Guide | Link Icon Alloy Steel 4140 Hex Bar Tolerances

26 Results

1" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20242

1" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20242
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
$33.70 for 1
$33.70 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Across Flats: 1"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

1 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20243

1 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20243
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
$52.60 for 1
$52.60 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Across Flats: 1.25"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

1 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20244

1 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20244
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
$90.76 for 1
$90.76 ea.
Camera Expand Details

Dimensions

  • Across Flats: 1.5"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

1 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20246

1 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20246
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
$78.90 for 1
$78.90 ea.
Camera Expand Details

Dimensions

  • Across Flats: 1.75"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

2" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20247

2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20247
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
$98.83 for 1
$98.83 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Across Flats: 2"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

2 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20248

2 1/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20248
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
$122.19 for 1
$122.19 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Across Flats: 2.25"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

2/ 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20250

2/ 1/2" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20250
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
$155.80 for 1
$155.80 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Across Flats: 2.5"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

2 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish Part # 20251

2 3/4" Alloy Steel Hex Bar 4140/4142-Cold Finish -
Part #: 20251
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
$231.04 for 1
$231.04 ea.
Camera Expand Details
quantity discount
Qty
Price ea.
Savings
More
Less

Dimensions

  • Across Flats: 2.75"
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A108(Replaced ASTM-A331)

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

5mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24513

5mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24513

Pack of 8

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
$139.57
$139.57 ea.
Camera Expand Details

Dimensions

  • Across Flats: 5mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

7mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24514

7mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24514

Pack of 8

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
$138.58
$138.58 ea.
Camera Expand Details

Dimensions

  • Across Flats: 7mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

8mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24515

8mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24515

Pack of 4

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
$127.18
$127.18 ea.
Camera Expand Details

Dimensions

  • Across Flats: 8mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

10mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24516

10mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24516

Pack of 3

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
$133.67
$133.67 ea.
Camera Expand Details

Dimensions

  • Across Flats: 10mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

12mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24517

12mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24517

Pack of 2

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
$142.08
$142.08 ea.
Camera Expand Details

Dimensions

  • Across Flats: 12mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

13mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24518

13mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24518

Pack of 2

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
$160.78
$160.78 ea.
Camera Expand Details

Dimensions

  • Across Flats: 13mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

14mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24519

14mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24519

Pack of 2

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
$188.41
$188.41 ea.
Camera Expand Details

Dimensions

  • Across Flats: 14mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

15mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24520

15mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24520

Pack of 2

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
$190.52
$190.52 ea.
Camera Expand Details

Dimensions

  • Across Flats: 15mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

17mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24521

17mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24521

Pack of 1

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
$137.61
$137.61 ea.
Camera Expand Details

Dimensions

  • Temper: Annealed
  • Across Flats: 17mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

20mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24522

20mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24522

Pack of 1

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
$265.51
$265.51 ea.
Camera Expand Details

Dimensions

  • Across Flats: 20mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

22mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24523

22mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24523

Pack of 1

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
$276.91
$276.91 ea.
Camera Expand Details

Dimensions

  • Across Flats: 22mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

24mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24524

24mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24524

Pack of 1

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
$329.48
$329.48 ea.
Camera Expand Details

Dimensions

  • Across Flats: 24mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

27mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24525

27mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24525

Pack of 1

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
$302.51
$302.51 ea.
Camera Expand Details

Dimensions

  • Across Flats: 27mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

30mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24526

30mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24526

Pack of 1

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
$409.41
$409.41 ea.
Camera Expand Details

Dimensions

  • Across Flats: 30mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

50mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] Part # 24527

50mm Alloy Steel Hex Bar 4140 Metric 60" Length [+/- 2"] -
Part #: 24527

Pack of 1

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
$618.67
$618.67 ea.
Camera Expand Details

Dimensions

  • Across Flats: 50mm
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom
Material Meets These Standard(s): ASTM-A29

Key Features

MTR FREEMTRAvailable
View more product details View more product details
View more product details Click for more details
alloy-steel-hex-bar-4140-4142-cold-finish-1superZoom

3/4" Alloy Steel Hex Bar 4140 Cold Finish -  Part # 27936

3/4" Alloy Steel Hex Bar 4140 Cold Finish-
Part #: 27936
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

1 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish -  Part # 27980

1 3/8" Alloy Steel Hex Bar 4140/4142-Cold Finish-
Part #: 27980
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

Displaying 1 - 25 of 26 results

Results per page

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

Contact us
.