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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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Defense Grade Store

Material Properties

Alloy Steel Product Guide |

Alloy Steel Round Bar Tolerances

round-bar-large-drillrod-new-min-4superZoom-main

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.

Marketplace Icon

Defense Grade Store

Material Properties

Alloy Steel Product Guide |

Alloy Steel Round Bar Tolerances

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236 results

236 results

2 3/4" Alloy Steel Round Bar 8620-Hot Rolled Part # 15022

Select a Size or Custom Cut

QTY

Update

$88.29 for 1

$88.29 ea.

Dimensions

Diameter: 2.75"

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

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-8620-hot-rolled-1superZoom-desk15022

2 3/4" Alloy Steel Round Bar 9310 VAR Part # 20032

Select a Cut Size

QTY

Update

$2,453.22 for 1

$2,453.22 ea.

Dimensions

Diameter: 2.75"

Click for more details

alloy-steel-round-bar-4330-var-1superZoom-mob{product.code}

Material Meets These Standard(s): AMS-6265 , AMS-6267

Key Features

View more product details

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alloy-steel-round-bar-4330-var-1superZoom-desk20032

2 3/4" Alloy Steel Round Bar 4330 VAR Part # 20004

Select a Cut Size

QTY

Update

$2,119.42 for 1

$2,119.42 ea.

Dimensions

Diameter: 2.75"

Click for more details

alloy-steel-round-bar-4330-var-1superZoom-mob{product.code}

Material Meets These Standard(s): AMS-6411 , BMS-7-122

Key Features

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-4330-var-1superZoom-desk20004

2 3/4" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002413

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$174.57 for 1

$174.57 ea.

Dimensions

Diameter: 2.75"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002413

2 3/4" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002413

Dimensions

Diameter: 2.75"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $174.57 ea.
24″ (2 ft.) - $349.11 ea.
36″ (3 ft.) - $523.69 ea.
48″ (4 ft.) - $698.22 ea.
72″ (6 ft.) - $1,047.38 ea.
96″ (8 ft.) - $1,396.49 ea.

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

2 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002470

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$158.16 for 1

$158.16 ea.

Dimensions

Diameter: 2.75"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002470

2 3/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002470

Dimensions

Diameter: 2.75"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $158.16 ea.
24″ (2 ft.) - $316.34 ea.
36″ (3 ft.) - $474.51 ea.
48″ (4 ft.) - $632.69 ea.
72″ (6 ft.) - $949.04 ea.
96″ (8 ft.) - $1,265.40 ea.

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

3" Maraging Steel Round Bar 300-Annealed Part # 12607

Select a Cut Size

QTY

Update

$1,520.10 for 1

$1,520.10 ea.

Dimensions

Diameter: 3"

Click for more details

maraging-steel-round-bar-300-1superZoom-mob{product.code}

Material Meets These Standard(s): MIL-S-46850 , AMS-6514

Key Features

FREE MTR Available

View more product details

Click for more details

maraging-steel-round-bar-300-1superZoom-desk12607

3" Alloy Steel Round Bar 4130-Normalized Part # 7379

Select a Size or Custom Cut

QTY

Update

$261.42 for 1

$261.42 ea.

Dimensions

Diameter: 3"

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

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-desk7379

3" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7406

Select a Size or Custom Cut

QTY

Update

$225.22 for 1

$225.22 ea.

Dimensions

Diameter: 3"

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

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-desk7406

3" Alloy Steel Round Bar 4340 VAR Part # 20019

Select a Cut Size

QTY

Update

$2,471.07 for 1

$2,471.07 ea.

Dimensions

Diameter: 3"

Click for more details

alloy-steel-round-bar-4330-var-1superZoom-mob{product.code}

Material Meets These Standard(s): AMS-6409 , AMS-6414

Key Features

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-4330-var-1superZoom-desk20019

3" Alloy Steel Round Bar 8620-Cold Finish Part # 15019

Select a Size or Custom Cut

QTY

Update

$248.95 for 1

$248.95 ea.

Dimensions

Diameter: 3"

Click for more details

alloy-steel-round-bar-8620-cold-finish-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A108

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-8620-cold-finish-1superZoom-desk15019

3" Alloy Steel Round Bar 8620-Hot Rolled Part # 15023

Select a Size or Custom Cut

QTY

Update

$95.88 for 1

$95.88 ea.

Dimensions

Diameter: 3"

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

View more product details

Click for more details

alloy-steel-round-bar-8620-hot-rolled-1superZoom-desk15023

3" Alloy Steel Round Bar 9310 VAR Part # 20033

Select a Cut Size

QTY

Update

$1,845.19 for 1

$1,845.19 ea.

Dimensions

Diameter: 3"

Click for more details

alloy-steel-round-bar-4330-var-1superZoom-mob{product.code}

Material Meets These Standard(s): AMS-6265 , AMS-6267

Key Features

View more product details

Click for more details

alloy-steel-round-bar-4330-var-1superZoom-desk20033

3" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002487

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$202.45 for 1

$202.45 ea.

Dimensions

Diameter: 3"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002487

3" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002487

Dimensions

Diameter: 3"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $202.45 ea.
24″ (2 ft.) - $404.89 ea.
36″ (3 ft.) - $607.34 ea.
48″ (4 ft.) - $809.78 ea.
72″ (6 ft.) - $1,214.68 ea.
96″ (8 ft.) - $1,619.57 ea.

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

3" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002398

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$188.25 for 1

$188.25 ea.

Dimensions

Diameter: 3"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002398

3" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002398

Dimensions

Diameter: 3"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $188.25 ea.
24″ (2 ft.) - $376.49 ea.
36″ (3 ft.) - $564.71 ea.
48″ (4 ft.) - $752.96 ea.
72″ (6 ft.) - $1,129.43 ea.
96″ (8 ft.) - $1,505.92 ea.

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

3 1/4" Maraging Steel Round Bar 250-Annealed Part # 12620

Select a Cut Size

QTY

Update

$2,060.06 for 1

$2,060.06 ea.

Dimensions

Diameter: 3.25"

Click for more details

maraging-steel-round-bar-350-1-2-business-dayssuperZoom-mob{product.code}

Material Meets These Standard(s): AMS-6512 , MIL-S-46850

Key Features

FREE MTR Available

View more product details

Click for more details

maraging-steel-round-bar-350-1-2-business-dayssuperZoom-desk12620

3 1/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002402

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$220.92 for 1

$220.92 ea.

Dimensions

Diameter: 3.25"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002402

3 1/4" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002402

Dimensions

Diameter: 3.25"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $220.92 ea.
24″ (2 ft.) - $441.84 ea.
72″ (6 ft.) - $1,325.53 ea.

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

3 3/8" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002421

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$238.53 for 1

$238.53 ea.

Dimensions

Diameter: 3.375"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002421

3 3/8" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002421

Dimensions

Diameter: 3.375"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $238.53 ea.
24″ (2 ft.) - $477.07 ea.
72″ (6 ft.) - $1,431.18 ea.

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

3 1/2" Maraging Steel Round Bar 250-Annealed Part # 12621

Select a Cut Size

QTY

Update

$2,403.41 for 1

$2,403.41 ea.

Dimensions

Diameter: 3.5"

Click for more details

maraging-steel-round-bar-350-1-2-business-dayssuperZoom-mob{product.code}

Material Meets These Standard(s): AMS-6512 , MIL-S-46850

Key Features

FREE MTR Available

View more product details

Click for more details

maraging-steel-round-bar-350-1-2-business-dayssuperZoom-desk12621

3 1/2" Alloy Steel Round Bar 4340-Annealed Hot Rolled Part # 25270

Select a Size or Custom Cut

QTY

Update

$446.71 for 1

$446.71 ea.

Dimensions

Diameter: 3.5"

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(call for availability) , AMS-6484(call for availability) , ASTM-A29

Key Features

CUSTOM CUT

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom-desk25270

3 1/2" Alloy Steel Round Bar 4130-Normalized Cold Finish Part # 15978

Select a Size or Custom Cut

QTY

Update

$423.07 for 1

$423.07 ea.

Dimensions

Diameter: 3.5"

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

FREE MTR Available

View more product details

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-desk15978

3 1/2" Alloy Steel Round Bar 4340-Hot Rolled, Normalized & Tempered - Part # 28889

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

3 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002399

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$258.88 for 1

$258.88 ea.

Dimensions

Diameter: 3.5"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002399

3 1/2" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002399

Dimensions

Diameter: 3.5"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $258.88 ea.
24″ (2 ft.) - $517.78 ea.
72″ (6 ft.) - $1,553.32 ea.

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

3 1/2" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002467

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$275.55 for 1

$275.55 ea.

Dimensions

Diameter: 3.5"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002467

3 1/2" Alloy Steel Round Bar 4140 Cold Finish Heat Treated Part # mp-00002467

Dimensions

Diameter: 3.5"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $275.55 ea.
24″ (2 ft.) - $551.11 ea.
72″ (6 ft.) - $1,653.31 ea.

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

3 1/2" Alloy Steel Round Bar 52100- Hot Rolled Part # mp-00063087

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$248.48 for 1

$248.48 ea.

Dimensions

Diameter: 3.5"

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-mob{product.code}

Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A322

Key Features

CUSTOM CUT DFARS Compliant

MTR AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4130-normalized-cold-finish-1superZoom-deskmp-00063087

3 1/2" Alloy Steel Round Bar 52100- Hot Rolled Part # mp-00063087

Dimensions

Diameter: 3.5"

Material Meets These Standard(s): ASTM-A322 , ASTM-A295 , ASTM-A322

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $248.48 ea.
24″ (2 ft.) - $496.97 ea.
36″ (3 ft.) - $745.46 ea.
48″ (4 ft.) - $993.89 ea.
60″ (5 ft.) - $1,242.42 ea.
72″ (6 ft.) - $1,490.85 ea.
120″ (10 ft.) - $2,484.85 ea.

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

3 5/8" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002484

Sold & Shipped by MSP Metals

Select a Size or Custom Cut

QTY

Update

$274.84 for 1

$274.84 ea.

Dimensions

Diameter: 3.625"

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 AVAILABLE product return

product return

Non-returnable

View more product details

Click for more details

alloy-steel-round-bar-4140-annealed-cold-finish-1superZoom-deskmp-00002484

3 5/8" Alloy Steel Round Bar 4140 Hot Rolled Heat Treated Part # mp-00002484

Dimensions

Diameter: 3.625"

Material Meets These Standard(s): ASTM-B 193 B7

Select a Size or Custom Cut

+ Create Custom Cut
12″ (1 ft.) - $274.84 ea.
24″ (2 ft.) - $549.69 ea.
72″ (6 ft.) - $1,649.07 ea.

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

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