Aircraft Alloy Steel AISI 4340 / E-4340 - Bar Stock List


Here is a list of our readily available stock of Aircraft Alloy Steel AISI 4340 / E-4340. Other sizes may be available on request. For all stock availability contact Sales.

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Availability
Alloy E-4340 (4340) is available in Bar, Square Bar, Round Bar, Hexagon Bar, Flat Bar, Plates, Forging Stock and Welding Wire.  For all stock availability contact Sales.

Alloy 4340 Mod VM N&T - Round Bar

*CG - Centerless Ground
HR RT - Hot Rolled Rough Turned

1/2 CG
.510 CG
5/8 CG
.635 CG
3/4 CG
.760 CG
7/8 CG
.885 CG
1 CG
1-1/8 CG
1-1/4 CG
1-3/8 CG
1-1/2 CG
3/4 HR RT
7/8 HR RT
1 HR RT
1-1/8 HR RT
1-1/4 HR RT
1-3/8 HR RT
1-1/2 HR RT
1-5/8 HR RT
1-3/4 HR RT
1-7/8 HR RT
2 HR RT
2-1/8 HR RT
2-1/4 HR RT
2-3/8 HR RT
2-1/2 HR RT
2-5/8 HR RT
2-3/4 HR RT
2-7/8 HR RT
3 HR RT
3-1/4 HR RT
3-1/2 HR RT
3-3/4 HR RT
4 HR RT
4-1/4 HR RT
4-1/2 HR RT
4-3/4 HR RT
5 HR RT
5-1/4 HR RT
5-1/2 HR RT
5-3/4 HR RT
6 HR RT
6-1/4 HR RT
6-1/2 HR RT
7 HR RT
7-1/2 HR RT
8 HR RT
Alloy 4340 N&T - Flat Bar

*CD - Cold Drawn
HR - Hot Rolled
1/4 X 1 CD
1/4 X 1-1/2 CD
1/4 X 2 CD
3/8 X 2 CD
3/8 X 3 CD
1/2 X 1 CD
1/2 X 1-1/2 CD
1/2 X 2 CD
1/2 X 2-1/2 CD
1/2 X 3 CD
1/2 X 4 CD
1/2 X 6 CD
5/8 X 1 CD
5/8 X 1-1/2 CD
5/8 X 2 CD
5/8 X 4 CD
3/4 X 1 CD
3/4 X 1-1/2 CD
3/4 X 2 CD
3/4 X 3 CD
3/4 X 4 CD
3/4 X 6 CD
1 X 1-1/4 CD
1 X 1-1/2 CD
1 X 2 CD
1 X 2-1/2 CD
1 X 3 CD
1 X 4 CD
1 X 5 CD
1 X 6 CD
1-1/4 X 1-1/2 CD
1-1/4 X 2 CD
1-1/4 X 2-1/2 CD
1-1/4 X 3 CD
1-1/4 X 4 CD
1-1/4 X 5 CD
1-1/4 X 6 CD
1-1/2 X 2 CD
1-1/2 X 2-1/2 CD
1-1/2 X 3 CD
1-1/2 X 4 CD
1-1/2 X 5 CD
1-1/2 X 6 CD
1-3/4 X 3 CD
1-3/4 X 4 CD
2 X 2-1/2 CD
2 X 3 CD
2 X 4 CD
2 X 5 CD
2 X 6 CD
2-1/2 X 3 CD
2-1/2 X 3-1/2 CD
2-1/2 X 4 CD
2-1/2 X 5 CD
2-1/2 X 6 CD
3 X 4 CD
3 X 5 CD
3 X 6 CD
1-3/4 X 3 HR
1-3/4 X 4 HR
2 X 2-1/2 HR
2 X 3 HR
2 X 3-1/2 HR
2 X 4 HR
2 X 6 HR
2-1/2 X 3 HR
2-1/2 X 3-1/2 HR
2-1/2 X 4 HR
2-1/2 X 5 HR
2-1/2 X 6 HR
3 X 4 HR
3 X 5 HR
3 X 6 HR
3-1/2 X 6 HR
4 X 5 HR
4 X 6 HR
Alloy 4340 N&T - Hexagon Bar

*CD E
1/4 CD E
3/8 CD E
1/2 CD E
5/8 CD E
3/4 CD E
1 CD E
1-1/16 CD E
1-1/4 CD E
1-1/2 CD E
1-3/4 CD E
2 CD E
Alloy 4340 N&T - Round Bar

* CD - Cold Drawn
HR - Hot Rolled
1/4 CD
.260 DG&P
5/16 CD
.3225 DG&P
3/8 CD
.385 DG&P
7/16 CD
.4475 DG&P
1/2 CD
.510 DG&P
9/16 CD
.5725 DG&P
5/8 CD
.635 DG&P
11/16 CD
3/4 CD
.760 TG&P
13/16 CD
7/8 CD
.885 TG&P
15/16 CD
1 CD
1.010 TG&P
1-1/16 CD
1-1/8 CD
1.135 TG&P
1-3/16 CD
1-1/4 CD
1.260 TG&P
1-5/16 CD
1-3/8 CD
1-7/16 CD
1-1/2 T-CD TL
1-9/16 T-CD TL
1-5/8 T-CD TL
1-3/4 T-CD TL
1-7/8 T-CD TL
2 T-CD TL
2-1/8 T-CD TL
2-1/4 T-CD TL
2-3/8 T-CD TL
2-1/2 T-CD TL
2-5/8 T-CD TL
2-3/4 T-CD TL
3 T-CD TL
3-1/8 T-CD TL
3-1/4 T-CD TL
3-1/2 T-CD TL
3-3/4 T-CD TL
4 T-CD TL
4-1/4 T-CD TL
4-1/2 T-CD TL
1 HR
1-1/8 T-HR TL
1-1/4 T-HR TL
1-3/8 T-HR TL
1-1/2 T-HR TL
1-5/8 T-HR TL
1-3/4 T-HR TL
1-7/8 T-HR TL
2 T-HR TL
2-1/8 T-HR TL
2-1/4 T-HR TL
2-3/8 T-HR TL
2-1/2 T-HR TL
2-5/8 T-HR TL
2-3/4 T-HR TL
2-7/8 T-HR TL
3 T-HR TL
3-1/8 T-HR TL
3-1/4 T-HR TL
3-3/8 T-HR TL
3-1/2 T-HR TL
3-3/4 T-HR TL
3-7/8 T-HR TL
4 T-HR TL
4-1/4 T-HR TL
4-1/2 T-HR TL
4-3/4 T-HR TL
5 T-HR TL
5-1/4 T-HR TL
5-1/2 T-HR TL
5-3/4 T-HR TL
6 T-HR TL
6-1/4 T-HR TL
6-1/2 T-HR TL
6-3/4 T-HR TL
7 T-HR TL
7-1/4 T-HR TL
7-1/2 T-HR TL
7-3/4 T-HR TL
8 T-HR TL
8-1/4 T-HR TL
8-1/2 T-HR TL
9 T-HR TL
9-1/2 T-HR TL
10 T-HR TL
10-1/2 T-HR TL
11 T-HR TL
12 T-HR TL
13 T-HR TL
14 T-HR TL
16 T-HR TL
18 T-HR TL
20 T-HR TL
Alloy 4340 N&T - Square Bar

* CD - Cold Drawn
1/4 CD
3/8 CD
1/2 CD
5/8 CD
3/4 CD
1 CD
1-1/4 CD
1-1/2 CD
2 CD
2-1/2 CD
2 HR-RCS
2-1/4 HR-RCS
2-1/2 HR-RCS
2-3/4 HR-RCS
3 HR-RCS
3-1/2 HR-RCS
4 HR-RCS
5 HR-RCS
6 HR-RCS
Alloy 4340 VAC MELT N&T- Flat Bar

*HR - Hot Rolled
1/2 X 2 HR
3/4 X 1 HR
3/4 X 2 HR
1 X 1-1/2 HR
1 X 2 HR
1 X 2-1/2 HR
1 X 3 HR
1 X 4 HR
1-1/2 X 2 HR
1-1/2 X 2-1/2 HR
1-1/2 X 3 HR
1-1/2 X 4 HR
2 X 3 HR
2 X 4 HR
3 X 4 HR
Alloy 4340 VAC MELT N&T- Hexagon Bar

*CD - Cold Drawn
5/8 CD    
Alloy 4340 VAC MELT N&T- Round Bar

*CG - Centerless Ground
HR RT - Hot Rolled Rough Turned
.260 CG
.3225 CG
.385 CG
.4475 CG
1/2 CG
.510 CG
5/8 CG
.635 CG
3/4 CG
.760 CG
7/8 CG
1 CG
1.010 CG
1-1/8 CG
1.135 CG
1-1/4 CG
1-3/8 CG
1-1/2 CG
3/4 HR RT
7/8 HR RT
1 HR RT
1-1/8 HR RT
1-1/4 HR RT
1-3/8 HR RT
1-1/2 HR RT
1-5/8 HR RT
1-3/4 HR RT
1-7/8 HR RT
2 HR RT
2-1/8 HR RT
2-1/4 HR RT
2-3/8 HR RT
2-1/2 HR RT
2-5/8 HR RT
2-3/4 HR RT
2-7/8 HR RT
3 HR RT
3-1/8 HR RT
3-1/4 HR RT
3-3/8 HR RT
3-1/2 HR RT
3-3/4 HR RT
4 HR RT
4-1/4 HR RT
4-1/2 HR RT
4-3/4 HR RT
5 HR RT
5-1/4 HR RT
5-1/2 HR RT
5-3/4 HR RT
6 HR RT
6-1/2 HR RT
7 HR RT
7-1/2 HR RT
8 HR RT
9 HR RT
10 HR RT
10-1/2 HR RT
Alloy 4340 VAC MELT N&T- Square Bar

*CD - Cold Drawn
HR - Hot Rolled
1/2 CD
3/4 CD
1 CD
1-1/4 CD
1-1/2 HR
1-3/4 HR
2 HR
2-1/4 HR
2-1/2 HR
2-3/4 HR
3 HR
4 HR
5 HR
6 HR

Specifications
UNS G43406
AMS 6359 Sheet / strip / plate
AMS 6409 Bars / Forgings N&T
AMS 6414 Vac Melt Bars / Forgings
AMS 6415 Bars / Forgings
AMS 6484 Bars / Forgings N&T
AMS-S-5000
MIL-S-8844 Cl1
ASTM A322
ASTM A331
AISI E4340
BMS-7-28
BPS-299-947-055
BPS-299-949-055

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Disclaimer
Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.