Universal titanium alloy 6Al4V (ELI) is similar to type 6Al-4V in chemical analysis with the exception of Extra Low Interstitial gases (ELI). By controlling these contaminating gases the fracture toughness is greatly increased. Alloy 4956 is used to weld liquid hydrogen tankage and airframe parts requiring a high fracture toughness.
| Universal Wire Works Inc. | |
|---|---|
| Product Category | Filler Alloys and Consumables |
| Product Number | AMS 4956 |
| Product Name | Aerospace Alloy |
| Joining Process / Product Form | Solid wire or rod |
| Diameter / Thickness | 0.0200 to 0.1250 inch (0.5080 to 3.17 mm) |
| Nominal Composition | 6.75Al-.03C-.15Fe-.005H-.1Mn-.012N-.08O-.1Rem-4.5V-BalanceTi |
| Tensile Strength (UTS) | 130000 psi (91491 m H2O) |
