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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.