AMS 6414
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 premium aircraft-quality, low-alloy steel in the form of bars, forgings, mechanical tubing, and forging stock.
Product availability:
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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.
T.I. Approvals:
Plus a wide range of approvals from most leading OEM’s across Aerospace, Medical, Industrial, and Oil and Gas markets.