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Alloy Steel Round Bar

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Alloy Steel Round Bar

We carry Alloy Steel Round Bar in 4130 | 4140 | 4330 | 4340 | 8620 | 9310. Most of our Alloy Steel round bar/rod is available in full size and custom cut lengths.

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Material Properties

Link Icon Alloy Steel Product Guide | Link Icon Alloy Steel Round Bar Tolerances

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13" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered -  Part # 29364

13" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered-
Part #: 29364
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

14mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24548

14mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24548

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
$164.72
$164.72 ea.

Dimensions

  • Diameter: 14mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24548

14mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24549

14mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24549

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
$329.47
$329.47 ea.

Dimensions

  • Diameter: 14mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24549

15mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24551

15mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24551

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
$334.81
$334.81 ea.

Dimensions

  • Diameter: 15mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24551

15mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24550

15mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24550

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
$167.44
$167.44 ea.

Dimensions

  • Diameter: 15mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24550

16mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24553

16mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24553

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
$310.63
$310.63 ea.

Dimensions

  • Diameter: 16mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24553

16mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24552

16mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24552

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
$155.30
$155.30 ea.

Dimensions

  • Diameter: 16mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24552

18mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24554

18mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24554

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
$218.80
$218.80 ea.

Dimensions

  • Diameter: 18mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24554

18mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24555

18mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24555

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
$364.68
$364.68 ea.

Dimensions

  • Diameter: 18mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A193 , ASTM-A295 , ASTM-A434 , ASTM-A29

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24555

19mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24556

19mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24556

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
$206.08
$206.08 ea.

Dimensions

  • Diameter: 19mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24556

19mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24557

19mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24557

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
$343.47
$343.47 ea.

Dimensions

  • Diameter: 19mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24557

20mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24558

20mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24558

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
$201.80
$201.80 ea.

Dimensions

  • Diameter: 20mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24558

20mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24559

20mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24559

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
$406.57
$406.57 ea.

Dimensions

  • Diameter: 20mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24559

25mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24560

25mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24560

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
$236.15
$236.15 ea.

Dimensions

  • Diameter: 25mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24560

25mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24561

25mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24561

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
$393.55
$393.55 ea.

Dimensions

  • Diameter: 25mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24561

30mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] Part # 24562

30mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24562

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
$322.57
$322.57 ea.

Dimensions

  • Diameter: 30mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24562

30mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 24563

30mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24563

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
$537.64
$537.64 ea.

Dimensions

  • Diameter: 30mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A434 , ASTM-A29 , ASTM-A193

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk24563

35mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] Part # 26923

35mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 26923

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
$375.42
$375.42 ea.

Dimensions

  • Diameter: 35mm
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A29 , ASTM-A193-B7 , ASTM-A295 , ASTM-A322 , ASTM-A434

Key Features

MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-desk26923

Sprint 139 Regression_1 1 bar test Part # mp-00067639

Sprint 139 Regression_1 1 bar test -
Part #: mp-00067639
Sold & Shipped by Pai Stag Store 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
$7.00 for 1
$7.00 ea.
Click for more details
Placeholder for future product image

Key Features

CUSTOM CUT DFARS Compliant MTR MTR NOT AVAILABLE product return Returns Acceptable.
View more product details View more product details
View more product details Click for more details
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OLM-16009 Precision Blank Long test Part # mp-00067642

OLM-16009 Precision Blank Long test -
Part #: mp-00067642
Sold & Shipped by Pai Stag Store 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
$5.55 for 1
$5.55 ea.
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

Sprint 141 Regression Long Part # mp-00067653

Sprint 141 Regression Long -
Part #: mp-00067653
Sold & Shipped by Pai Stag Store 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
$5.55 for 1
$5.55 ea.
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

Net30 test product_1 bar test -  Part # mp-00067659

Net30 test product_1 bar test-
Part #: mp-00067659
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

test product_1 bar test Part # mp-00067663

test product_1 bar test -
Part #: mp-00067663
Sold & Shipped by Mayuri Stage 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
$6.50 for 1
$6.50 ea.
Click for more details
Placeholder for future product image

Key Features

CUSTOM CUT USA U.S.A. Made DFARS Compliant MTR MTR NOT 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

test product_1 bar test Part # mp-00067668

test product_1 bar test -
Part #: mp-00067668
Sold & Shipped by Pai Stag Store 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
$4.50 for 1
$4.50 ea.
Click for more details
Placeholder for future product image

Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
View more product details View more product details
View more product details Click for more details
Placeholder for future product image

Generic test product_1 bar test Part # mp-00067677

Generic test product_1 bar test -
Part #: mp-00067677
Sold & Shipped by Pai Stag Store 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
$16.50 for 1
$16.50 ea.
Click for more details
Placeholder for future product image

Key Features

CUSTOM CUT 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

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