What AMS 6409 covers
AMS 6409 is the aerospace material specification for steel bars, forgings, and tubing, special aircraft quality cleanliness normalized and tempered.
AMS 6409 applies to alloy steel grade AISI 4340, as steel bars, forgings, and tubing, in the special aircraft quality cleanliness normalized and tempered condition.
Titanium Industries stocks Alloy Steel Grade AISI 4340 Round Bar to AMS 6409.
Alloy Steel 4340 is used for commercial and military aircraft, automotive, machine tools and crankshafts.
Specifications that cross-reference AMS 6409 include AMS 2300, AMS 2301, AMS 6322, AMS 6414, AMS 6415, AMS 6417, AMS 6419, AMS 6484, AMS-S-6049 and ASTM A322.
For AMS 6409 material, request a quote online or contact your nearest Titanium Industries location. The information on this page is for reference only and does not replace the specification itself.
AMS 6409
Alloy Steel Grade: AISI 4340
Product Forms: Steel Bars, Forgings, and Tubing
Condition: Special Aircraft Quality Cleanliness Normalized and Tempered
Scope: This specification covers a low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
Product availability:
DISCLAIMER: The use of this information should be considered strictly voluntary. Information contained in this page or across the domain, may contain typographical errors and are for reference only. Information presented are purely generalizations and are not a substitution for AMS specifications.
DISCLAIMER: Alloy data sheets are for reference only, not for design purposes.
| Chemical Composition | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Fe 96.0% | Ni 1.90% | Cr 0.80% | Mn 0.70% | C 0.40% | |||||
| Mo 0.25% | Si 0.25% | S 0.04% | P 0.04% | ||||||
| Mechanical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Tensile Strength: 108 - 161 ksi | Yield Strength: 68.8 - 125 ksi | Elongation: 12.2 - 22.0% | |||||||
Tensile properties and associated requirements vary due to orientation, section thickness, and engineering requirements.
AMS 6409: questions and answers
What does AMS 6409 cover?
What does AMS 6409 cover?
AMS 6409 covers a low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
Which products does Titanium Industries stock to AMS 6409?
Which products does Titanium Industries stock to AMS 6409?
Alloy Steel Grade AISI 4340 Round Bar.
Which specifications cross-reference AMS 6409?
Which specifications cross-reference AMS 6409?
AMS 2300, AMS 2301, AMS 6322, AMS 6414, AMS 6415, AMS 6417, AMS 6419, AMS 6484, AMS-S-6049 and ASTM A322.
What is Alloy Steel 4340 used for?
What is Alloy Steel 4340 used for?
Commercial and military aircraft, automotive, machine tools and crankshafts.