Close menu
Hello, Sign in
Account & Lists
Deals

Material
Alloy Steel

Aluminum

Anodized Aluminum

Beryllium Copper

Brass

Bronze

Carbon Fiber

Cast Iron

Cold Roll Steel

Copper

Hot Roll Steel

Metric

Nickel

Nickel Silver
Plastics

Stainless Steel

Steel

Titanium

Tools & Supplies

Tool Steel

Unistrut®

Wrought Iron

Zinc
APPLICATIONS

---------------------

Aerospace Grade

Antimicrobial Metals

Architectural

Firearm Grade

Marine Grade

Metric

Sneeze Guards & Shields

SERVICES

---------------------

Paperless Viewer

Waterjet Cutting
Laser Cutting
Shape
All Shapes

All Bars

All Tubes

Angle-Equal

Angle-Unequal

Ball

Bar - Full Round Edge

Bar - Half Oval

Bar - Half Round

Bar - Hex

Bar - Hollowbar

Bar - Rectangle

Bar - Round

Bar - Square
Bar - T-Bar

Channel

Decorative

Drill Rod

Fittings

Foil

I-Beam

Pipe

Protoboxes

Round Rod

Sample Pack

Sheet & Plate

Sheet - Expanded

Sheet - Perforated
Sheet - Tread Plate (Diamond Plate)

Threaded Rod

Tube - Coil

Tube - Hollowbar

Tube - Rectangle

Tube - Rectangle Radius Corner

Tube - Round

Tube - Square

Tube - Square Radius Corner

Wire
Aluminum
VIEW ALL ALUMINUM

Angle-Equal

Angle-Unequal

Bar- Full Round Edge

Bar- Hex

Bar- Rectangle

Bar- Round

Bar- Square

Bar- T-Bar

Channel

Foil

I-Beam

Pipe

Protoboxes
Sheet & Plate

Sheet-Expanded

Sheet- Perforated

Sheet- Textured

Sheet- Tread Plate

Sample Pack

Shim Stock

Tape

Threaded Rod

Tube- Rectangle

Tube- Rectangle Radius Corner

Tube- Round

Tube- Square

Tube- Square Radius Corner
PRODUCT GUIDES

---------------------

6061

6063

2024

7075

3003

VIEW ALL
Stainless
VIEW ALL STAINLESS

Angle-Equal

Angle-Unequal

Ball

Bar- Half Round

Bar- Hex

Bar- Rectangle

Bar- Round

Bar- Square

Bar- T-Bar

Channel

Feeler Gauge

Fittings

Foil
Foil Wrap

Key Stock

Pipe

Protoboxes

Sample Pack

Sheet & Plate

Sheet- Expanded

Sheet- Perforated

Sheet- Textured

Sheet- Tread Plate

Shim Stock

Tape

Threaded Rod

Trim Strip
Tube- Coil Round

Tube- Round

Tube- Rectangle

Tube- Square

Wire
PRODUCT GUIDES

---------------------

304

316

303

17-4

440 C

VIEW ALL
Brass
VIEW ALL BRASS

Angle-Equal

Angle-Unequal

Ball

Bar- Half Oval

Bar- Half Round

Bar- Hex

Bar- Rectangle

Bar- Round

Bar- Square

Bar- T-Bar

Channel

Decorative

Foil
Pipe

Protoboxes

Sample Pack

Sheet & Plate

Shim Stock

Tube- Rectangle Tube

Tube- Round

Tube- Square

Threaded Rod
PRODUCT GUIDES

---------------------

260

360

385

464

272

VIEW ALL
Copper
VIEW ALL COPPER

Bar - Rectangle

Bar - Round

Bar - Square

Circles

Coil Tube

Foil

Full Round Edge

Protoboxes

Sample Pack

Sheet & Plate

Shim Stock

Tape

Threaded Rod
Tube - Round

BERYLLIUM COPPER

---------------------

Round Bar
PRODUCT GUIDES

---------------------

110

101

122

145

173

VIEW ALL
Steel
VIEW ALL STEEL

---------------------

ALLOY STEEL

---------------------

Ball

Bar - Hex

Bar - Rectangle

Bar - Round

Bar - Square

Sample Pack

Sheet & Plate

Tube - Round
COLD ROLL STEEL

---------------------

Ball

Bar - Hex

Bar - Rectangle

Bar - Round

Bar - Square

Sample Pack

Sheet & Plate

Threaded Rod

Tube - Rectangle

Tube - Round

Tube - Square
HOT ROLL STEEL

---------------------

Angle-Equal

Bar - Rectangle

Bar - Round

Bar - Square

Pipe

Sheet & Plate

Sheet - Expanded

Sheet - Perforated

Sheet - Tread Plate $Diamond Plate$

Tube - Rectangle

Tube - Square
MARAGING STEEL

---------------------

Round Bar

TOOL STEEL

---------------------

Bar-Rectangle

Bar-Square

Drill Rod

Get a Fast Quote

Home
Round Bar
Alloy Steel
Alloy Steel Round Bar

Alloy Steel Round Bar

-149 Products

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

Start New Search

Sort by

Displaying 76 - 100 of 149 results

25 Per Page

25 Per Page
50 Per Page
100 Per Page

List

Grid

Price:Low to High

Price:Low to High
Product Name: A to Z
Product Name: Z to A
Relevance
Price:High to Low

Sort by

Use Drop-down menus below to filter dimensions

Refine search

ALLOY

4130

4140

4330

4340

8620

9310

MATERIAL

Alloy Steel

SHAPE

Bar-Round

TEMPER

Annealed

Normalized

Unit of Measure

inch

Production Method

Cold Finish

Hot Rolled

Hot Rolled Rough Turned

Rough Turned

TGP

VAR

Manufacturer Name

true

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

Click for more details

Compare

Dimensions

Diameter: 15mm

See all available dimensions for this product

Pack of 1

QTY

$90.31 ea.

$90.31 for 1

2.375" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7402

2.375" Alloy Steel Round Bar 4340-Normalized Rough Turned -

Part #: 7402

Click for more details

Compare

Dimensions

Diameter: 2.375"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $97.44 ea.
24.0" - $168.03 ea.
36.0" - $233.71 ea.
48.0" - $244.11 ea.
60.0" - $290.77 ea.
72.0" - $338.13 ea. Best shipping value
84.0" - $384.48 ea.
96.0" - $427.90 ea.
144.0" - $641.81 ea.

Create Custom Cut

QTY

$97.44 ea.

$97.44 for 1

2.5" Alloy Steel Round Bar 4130-Normalized -
Part #: 7377

2.5" Alloy Steel Round Bar 4130-Normalized -

Part #: 7377

Click for more details

Compare

Dimensions

Diameter: 2.5"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $97.91 ea.
24.0" - $187.98 ea.
36.0" - $251.76 ea.
48.0" - $298.38 ea.
60.0" - $354.32 ea.
72.0" - $414.00 ea. Best shipping value
84.0" - $469.94 ea.
96.0" - $522.16 ea.
144.0" - $671.35 ea.

Create Custom Cut

QTY

$97.91 ea.

$97.91 for 1

2.75" Alloy Steel Round Bar 8620-Cold Finish -
Part #: 15018

2.75" Alloy Steel Round Bar 8620-Cold Finish -

Part #: 15018

Click for more details

Compare

Dimensions

Diameter: 2.75"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $98.10 ea.
24.0" - $169.46 ea.
36.0" - $238.30 ea.
48.0" - $246.18 ea.
60.0" - $292.31 ea.
72.0" - $341.58 ea. Best shipping value
144.0" - $553.88 ea.

Create Custom Cut

QTY

$98.10 ea.

$98.10 for 1

1.188" Alloy Steel Round Bar 4340-Annealed Hot Rolled [IN] -
Part #: 26091

1.188" Alloy Steel Round Bar 4340-Annealed Hot Rolled [IN] -

Part #: 26091

Click for more details

Compare

Dimensions

Diameter: 1.188"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $100.00 ea.

QTY

$100.00 ea.

$100.00 for 1

12mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24547

12mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -

Part #: 24547

Click for more details

Compare

Dimensions

Diameter: 12mm

See all available dimensions for this product

Pack of 1

QTY

$103.63 ea.

$103.63 for 1

12mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24546

12mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -

Part #: 24546

Click for more details

Compare

Dimensions

Diameter: 12mm

See all available dimensions for this product

Pack of 2

QTY

$103.63 ea.

$103.63 for 1

2.75" Alloy Steel Round Bar 4140-Annealed Cold Finish -
Part #: 15492

2.75" Alloy Steel Round Bar 4140-Annealed Cold Finish -

Part #: 15492

Click for more details

Compare

Dimensions

Diameter: 2.75"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $106.52 ea.
24.0" - $204.53 ea.
36.0" - $273.92 ea.
48.0" - $324.64 ea.
60.0" - $385.51 ea.
72.0" - $450.44 ea. Best shipping value
144.0" - $730.43 ea.

Create Custom Cut

QTY

$106.52 ea.

$106.52 for 1

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

Click for more details

Compare

Dimensions

Diameter: 20mm

See all available dimensions for this product

Pack of 1

QTY

$108.88 ea.

$108.88 for 1

2.75" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7405

2.75" Alloy Steel Round Bar 4340-Normalized Rough Turned -

Part #: 7405

Click for more details

Compare

Dimensions

Diameter: 2.75"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $110.02 ea.
24.0" - $203.56 ea.
36.0" - $256.93 ea.
48.0" - $302.27 ea.
60.0" - $365.26 ea.
72.0" - $426.22 ea. Best shipping value
84.0" - $472.58 ea.
96.0" - $540.09 ea.
144.0" - $723.05 ea.

Create Custom Cut

QTY

$110.02 ea.

$110.02 for 1

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

Click for more details

Compare

Dimensions

Diameter: 19mm

See all available dimensions for this product

Pack of 1

QTY

$111.17 ea.

$111.17 for 1

2.5" Alloy Steel Round Bar 8620-Cold Finish -
Part #: 14621

2.5" Alloy Steel Round Bar 8620-Cold Finish -

Part #: 14621

Click for more details

Compare

Dimensions

Diameter: 2.5"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $112.45 ea.
24.0" - $215.88 ea.
36.0" - $303.58 ea.
48.0" - $359.80 ea.
60.0" - $427.26 ea.
72.0" - $499.22 ea. Best shipping value
84.0" - $566.68 ea.
96.0" - $629.64 ea.
144.0" - $809.54 ea.

Create Custom Cut

QTY

$112.45 ea.

$112.45 for 1

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

Click for more details

Compare

Dimensions

Diameter: 18mm

See all available dimensions for this product

Pack of 1

QTY

$118.04 ea.

$118.04 for 1

2.75" Alloy Steel Round Bar 4130-Normalized -
Part #: 7378

2.75" Alloy Steel Round Bar 4130-Normalized -

Part #: 7378

Click for more details

Compare

Dimensions

Diameter: 2.75"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $118.53 ea.
24.0" - $227.55 ea.
36.0" - $304.77 ea.
48.0" - $361.21 ea.
60.0" - $428.92 ea.
72.0" - $501.18 ea. Best shipping value
84.0" - $568.89 ea.
96.0" - $632.10 ea.
144.0" - $846.23 ea.

Create Custom Cut

QTY

$118.53 ea.

$118.53 for 1

7mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24538

7mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -

Part #: 24538

Click for more details

Compare

Dimensions

Diameter: 7mm

See all available dimensions for this product

Pack of 4

QTY

$119.62 ea.

$119.62 for 1

7mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24539

7mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -

Part #: 24539

Click for more details

Compare

Dimensions

Diameter: 7mm

See all available dimensions for this product

Pack of 2

QTY

$119.62 ea.

$119.62 for 1

10mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -
Part #: 24542

10mm Alloy Steel Round Bar 4140- TGP Metric 36" Length [+/- 2"] -

Part #: 24542

Click for more details

Compare

Dimensions

Diameter: 10mm

See all available dimensions for this product

Pack of 2

QTY

$120.48 ea.

$120.48 for 1

10mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24543

10mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -

Part #: 24543

Click for more details

Compare

Dimensions

Diameter: 10mm

See all available dimensions for this product

Pack of 1

QTY

$120.48 ea.

$120.48 for 1

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

Click for more details

Compare

Dimensions

Diameter: 25mm

See all available dimensions for this product

Pack of 1

QTY

$127.38 ea.

$127.38 for 1

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

3" Alloy Steel Round Bar 4130-Normalized -

Part #: 7379

Click for more details

Compare

Dimensions

Diameter: 3"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $133.74 ea.
24.0" - $244.53 ea.
36.0" - $343.87 ea.
48.0" - $407.55 ea.
60.0" - $483.97 ea.
144.0" - $916.98 ea.

Create Custom Cut

QTY

$133.74 ea.

$133.74 for 1

2.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7403

2.5" Alloy Steel Round Bar 4340-Normalized Rough Turned -

Part #: 7403

Click for more details

Compare

Dimensions

Diameter: 2.5"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $135.57 ea.
24.0" - $247.88 ea.
36.0" - $348.58 ea.
48.0" - $413.13 ea.
60.0" - $490.61 ea.
72.0" - $573.23 ea. Best shipping value
84.0" - $650.68 ea.
96.0" - $723.00 ea.
144.0" - $929.55 ea.

Create Custom Cut

QTY

$135.57 ea.

$135.57 for 1

11mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -
Part #: 24545

11mm Alloy Steel Round Bar 4140- TGP Metric 72" Length [+/- 2"] -

Part #: 24545

Click for more details

Compare

Dimensions

Diameter: 11mm

See all available dimensions for this product

Pack of 1

QTY

$140.40 ea.

$140.40 for 1

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

3" Alloy Steel Round Bar 8620-Cold Finish -

Part #: 15019

Click for more details

Compare

Dimensions

Diameter: 3"

See all available dimensions for this product

Select a Cut Size for Price

12.0" - $143.12 ea.
24.0" - $274.78 ea.
36.0" - $386.41 ea.
48.0" - $457.97 ea.
60.0" - $543.84 ea.
144.0" - $1,030.42 ea.

Create Custom Cut

QTY

$143.12 ea.

$143.12 for 1

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

Click for more details

Compare

Dimensions

Diameter: 16mm

See all available dimensions for this product

Pack of 1

QTY

$167.57 ea.

$167.57 for 1

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

Click for more details

Compare

Dimensions

Diameter: 30mm

See all available dimensions for this product

Pack of 1

QTY

$174.02 ea.

$174.02 for 1

You Have Added QTY to Your Cart

Dimensions

Size:

Go To Cart Continue shopping

Can't find what you're looking for?

Up to 4 products can be compared

You have reached the maximum number of items to compare. Remove an item to change assortment.

Cancel

Start a New Search

Find Your Material Quickly

Get Rewards With Online Metals

Be the first to know about special offers, new products and discounts. Subscribe to our email rewards program and receive your first discount direct to your inbox.

Learning Center

Fraction Equivalents
Hardness Conversion Table
ISO/Quality
Metal Press Blog
Melting Points
Mill Test Reports (MTR)
Product Guides
Safety Data Sheets (SDS)
Thickness Information
Tolerances
Videos
Weight Calculator
Password Best Practices

Partners & Ideas

Customer Project Photos
Get Inspired by The Creators
Online Metals Partner Services
Laser Cutting with SendCutSend

Account & Order Info

Customer Survey
Sign Out

About Us

Our Story
Affiliates & Partners
Careers
Contact Us
Email Rewards
FAQs
Location & Hours
Shipping Process

Account & Order Info

Customer Survey
Sign Out

Business Services (B2B)

Business Support
Credit & Billing Account
W-9 Form

About Us

Our Story
Affiliates & Partners
Careers
Contact Us
Email Rewards
FAQs
Location & Hours
Shipping Process

Terms of Use

Return Policy & Process
Terms & Conditions
Privacy Policy

Email: [email protected]

Sign In

A link to reset your password has been sent to your email address.

Follow the instructions in the email to reset your password.

Your password has been updated successfully.

Please use it when signing in below

Sign In

* Required fields

Email address*

Password*

Minimum 6 characters

Forgot your password?

Keep me signed in

Keep me "signed in" info

Choosing "Keep me signed in" reduces the number of times you're asked to sign in on this device

To keep your account secure, use this option only on your personal devices.

Don't have an account yet?