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.
All service center locations are AS9100 & ISO9001 accredited.
Birmingham, UK and Meerbusch, Germany service center locations are AS9100, AS9120 & ISO9001 accredited.
T.I. Approvals:
Plus a wide range of approvals from most leading OEM’s across Aerospace, Medical, Industrial, and Oil and Gas markets.