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

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3 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002440

3 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002440
Sold & Shipped by MSP Metals
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
$294.13 for 1
$294.13 ea.

Dimensions

  • Diameter: 3.75"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

Key Features

CUSTOM CUT DFARS Compliant MTR MTR AVAILABLE product return Non-returnable
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alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002440

4" Alloy Steel Round Bar 4130-Normalized Part # 7381

4" Alloy Steel Round Bar 4130-Normalized -
Part #: 7381
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
$210.78 for 1
$210.78 ea.

Dimensions

  • Diameter: 4"
Click for more details
alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(call for availability)

Key Features

CUSTOM CUT MTR FREE MTR Available
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alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-desk7381

4" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7410

4" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7410
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
$405.90 for 1
$405.90 ea.

Dimensions

  • Diameter: 4"
Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , AMS-6415 , AMS-6484 , ASTM-A29

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
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alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-desk7410

4" Alloy Steel Round Bar 8620-Hot Rolled Part # 15024

4" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15024
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
$179.77 for 1
$179.77 ea.

Dimensions

  • Diameter: 4"
Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-desk15024

4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002400

4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002400
Sold & Shipped by MSP Metals
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
$334.66 for 1
$334.66 ea.

Dimensions

  • Diameter: 4"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002400

4 1/4" Alloy Steel Round Bar 8620-Hot Rolled Part # 15025

4 1/4" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15025
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
$237.24 for 1
$237.24 ea.

Dimensions

  • Diameter: 4.25"
Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-desk15025

4 1/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002459

4 1/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002459
Sold & Shipped by MSP Metals
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
$402.74 for 1
$402.74 ea.

Dimensions

  • Diameter: 4.25"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002459

4 1/2" Alloy Steel Round Bar 8620-Hot Rolled Part # 15026

4 1/2" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15026
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
$309.09 for 1
$309.09 ea.

Dimensions

  • Diameter: 4.5"
Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-desk15026

4 1/2" Alloy Steel Round Bar 4130-Normalized Part # 19616

4 1/2" Alloy Steel Round Bar 4130-Normalized -
Part #: 19616
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
$606.99 for 1
$606.99 ea.

Dimensions

  • Diameter: 4.5"
Click for more details
alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108(call for availability)

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-desk19616

4 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002457

4 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002457
Sold & Shipped by MSP Metals
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
$451.50 for 1
$451.50 ea.

Dimensions

  • Diameter: 4.5"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002457

4 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002427

4 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002427
Sold & Shipped by MSP Metals
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
$503.07 for 1
$503.07 ea.

Dimensions

  • Diameter: 4.75"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002427

5" Maraging Steel Round Bar 250-Annealed Part # 21524

5" Maraging Steel Round Bar 250-Annealed -
Part #: 21524
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
$6,103.89 for 1
$6,103.89 ea.

Dimensions

  • Diameter: 5"
Click for more details
maraging-steel-round-bar-350-1-2-business-dayssuperZoom-mob{product.code}

Key Features

MTR FREE MTR Available
View more product details View more product details
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maraging-steel-round-bar-350-1-2-business-dayssuperZoom-desk21524

5" Alloy Steel Round Bar 9310 VAR -  Part # 27938

5" Alloy Steel Round Bar 9310 VAR-
Part #: 27938
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7413

5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7413
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
$966.31 for 1
$966.31 ea.

Dimensions

  • Diameter: 5"
Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322 , AMS-6415 , AMS-6484 , ASTM-A29

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-desk7413

5" Alloy Steel Round Bar 8620-Hot Rolled Part # 15027

5" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 15027
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
$674.94 for 1
$674.94 ea.

Dimensions

  • Diameter: 5"
Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A322

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-desk15027

5" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002424

5" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002424
Sold & Shipped by MSP Metals
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
$557.42 for 1
$557.42 ea.

Dimensions

  • Diameter: 5"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002424

5 1/2" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7415

5 1/2" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7415
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
$1,003.08 for 1
$1,003.08 ea.

Dimensions

  • Diameter: 5.5"
Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-desk7415

5 1/2" Alloy Steel Round Bar 4340 VAR-Normalized -  Part # 22981

5 1/2" Alloy Steel Round Bar 4340 VAR-Normalized-
Part #: 22981
Pricing and availability for this item changes frequently. Contact us now for a fast quote.

5 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002448

5 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002448
Sold & Shipped by MSP Metals
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
$674.47 for 1
$674.47 ea.

Dimensions

  • Diameter: 5.5"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002448

6" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 27142

6" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 27142
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
$1,171.36 for 1
$1,171.36 ea.

Dimensions

  • Diameter: 6"
Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-desk27142

6" Alloy Steel Round Bar 4340 VAR-Normalized Part # 22982

6" Alloy Steel Round Bar 4340 VAR-Normalized -
Part #: 22982
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
$1,216.21 for 1
$1,216.21 ea.

Dimensions

  • Diameter: 6"
Click for more details
alloy-steel-round-bar-4330-var-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
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alloy-steel-round-bar-4330-var-1superZoom-desk22982

6" Alloy Steel Round Bar 8620-Hot Rolled Part # 10585

6" Alloy Steel Round Bar 8620-Hot Rolled -
Part #: 10585
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
$137.85 for 1
$137.85 ea.

Dimensions

  • Diameter: 6"
Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-A108 , ASTM-A322

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-8620-hot-rolled-1superZoom-desk10585

6" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002422

6" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002422
Sold & Shipped by MSP Metals
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
$802.67 for 1
$802.67 ea.

Dimensions

  • Diameter: 6"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002422

6 1/2" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7419

6 1/2" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7419
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
$1,011.22 for 1
$1,011.22 ea.

Dimensions

  • Diameter: 6.5"
Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-mob{product.code}

Key Features

CUSTOM CUT MTR FREE MTR Available
View more product details View more product details
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-desk7419

6 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002461

6 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated -
Part #: mp-00002461
Sold & Shipped by MSP Metals
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
$942.03 for 1
$942.03 ea.

Dimensions

  • Diameter: 6.5"
Click for more details
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-mob{product.code}
Material Meets These Standard(s): ASTM-B 193 B7

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
alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002461

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