Introduction
Grade 5 Titanium alloy, also known as TiAI4V, Ti-6Al-4V or Ti 6-4,is the most commonly used alloy.It has a chemical composition of 6% aluminium,4% vanadium,0.4% (maximum) iron,0.2% (maximum) oxygen,and the remainder titanium.It is significantly stronger than commercially pure titanium while having the same stiffness and thermal properties.
Among its many advantages,Grade 5 is heat treatable.This grade is an excellent combination of strength,corrosion resistance, weld and fabricability.In consequence,its uses are numerous such as for military aircraft or turbines.It is also used in surgical implants. Generally,it is used in applications up to 400 degrees Celsius.Its properties are very similar to those of the 300 stainless steel series, especially 316.
Chemical components(%)
Composition | C | N | H | O | Al | V | Fe | Other | Ti |
Min | \ | \ | \ | \ | 5.5 | 3.5 | \ | Balance | |
Max | 0.08 | 0.05 | 0.015 | 0.20 | 6.75 | 4.5 | 0.4 | 0.4 |
Mechanical properties
Rigidity | Tensile strength | Yield strength | Elongation |
Re34 | ≥895MPa | ≥828MPa | ≥15% |
Grade 5 Production Standard
Titanium 6Al4V is available in: Bar, Billet, Castings, Extrusion, Plate, Sheet, Strip, Wire, Welding Wire, Rings and Forgings.
Strip,Sheet and Plate | ASTM B265 |
Pipes/Tubes | Seamless Pipe:ASTM B861 Welded Pipe:ASTM B862 |
Aerospace using Alpha-beta 6Al-4V Titanium alloy Bars,Wire, Forging, Rings and Drawn shapes | AMS 4928 |
Aerospace using Alpha-beta 6Al-4V Titanium alloy Sheet/plate/strip | AMS 4911/AMS 4967 |
Wires | ASTM B863 |
Bars and billets | ASTM B348 |
Forgings | ASTM B381 |
Applications
Tension set rings
Bolts
Bicycle parts
Biomedical implants
High-temperature structural applications in the aircraft industry
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