AMS 6417
Alloy Steel Grade: AISI 4340
Product Forms: Steel, Bars, Forgings, and Tubing
Condition: Consumable Electrode Vacuum Re-Melted
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 | |||||||||
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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 | |||||||||
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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.