Filter By

Material

Shape This is the shape of the material

Alloy

Diameter

Production Method

Temper

Specs

DFARS

Unit of Measure

Seller

Category Name

Alloy Steel Round Bar 4340

Alloy Steel Round Bar 4340

Alloy Steel Round Bar 4340 is normally used for the aerospace automotive, and natural gas/petroleum/oil applications. 4340 steel offers high strength, impact control, and machinability.

 

We also carry 4340 round bar that is Vacuum Arc Remelted (VAR).

 

3/8" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7383

3/8" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7383
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.375"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

7/16" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7384

7/16" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7384
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.4375"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1/2" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7385

1/2" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7385
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.5"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1/2" Alloy Steel Round Bar 4340-Annealed Cold Finish Part # 25262

1/2" Alloy Steel Round Bar 4340-Annealed Cold Finish -
Part #: 25262
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.5"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484(call for availability),ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

5/8" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7387

5/8" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7387
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.625"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/4" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7388

3/4" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7388
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.75"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

3/4" Alloy Steel Round Bar 4340-Annealed Cold Finish Part # 25263

3/4" Alloy Steel Round Bar 4340-Annealed Cold Finish -
Part #: 25263
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.75"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

7/8" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7389

7/8" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7389
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.875"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

7/8" Alloy Steel Round Bar 4340-Annealed Cold Finish Part # 25264

7/8" Alloy Steel Round Bar 4340-Annealed Cold Finish -
Part #: 25264
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 0.875"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484(call for availability),ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7391

1" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7391
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1" Alloy Steel Round Bar 4340-Annealed Hot Rolled Part # 25265

1" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
Part #: 25265
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415(call for availability),AMS-6484(call for availability),ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/8" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7393

1 1/8" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7393
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.125"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/8" Alloy Steel Round Bar 4340-Annealed Hot Rolled Part # 25266

1 1/8" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
Part #: 25266
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.125"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415(call for availability),AMS-6484(call for availability),ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/4" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7394

1 1/4" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7394
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.25"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/4" Alloy Steel Round Bar 4340-Annealed Hot Rolled Part # 25267

1 1/4" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
Part #: 25267
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.25"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415(call for availability),AMS-6484(call for availability),ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 3/8" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7395

1 3/8" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7395
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.375"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/2" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7396

1 1/2" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7396
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.5"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 1/2" Alloy Steel Round Bar 4340-Annealed Hot Rolled Part # 25268

1 1/2" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
Part #: 25268
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.5"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415(call for availability),AMS-6484(call for availability),ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 5/8" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7397

1 5/8" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7397
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.625"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 3/4" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7398

1 3/4" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7398
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.75"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

1 7/8" Alloy Steel Round Bar 4340-Normalized Cold Finish Part # 7399

1 7/8" Alloy Steel Round Bar 4340-Normalized Cold Finish -
Part #: 7399
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 1.875"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-cold-finished-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,ASTM-A108,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

2" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7400

2" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7400
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 2"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

2" Alloy Steel Round Bar 4340-Annealed Hot Rolled Part # 25269

2" Alloy Steel Round Bar 4340-Annealed Hot Rolled -
Part #: 25269
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 2"
  • Temper: Annealed
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415(call for availability),AMS-6484(call for availability),ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

2 1/4" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7401

2 1/4" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7401
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 2.25"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

2 3/8" Alloy Steel Round Bar 4340-Normalized Rough Turned Part # 7402

2 3/8" Alloy Steel Round Bar 4340-Normalized Rough Turned -
Part #: 7402
Camera Expand Details
quantity discount
Qty
Price ea.
Savings

Dimensions

  • Diameter: 2.375"
  • Temper: Normalized
View more product details Click for more details
alloy-steel-round-bar-4340-normalized-rough-turned-1superZoom
Material Meets These Standard(s): ASTM-A322,AMS-6415,AMS-6484,ASTM-A29

Key Features

CUSTOM CUT MTR FREEMTRAvailable
View more product details View more product details

Displaying 1 - 25 of 54 results

Results per page

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

.