Titanium Sheet
Grade 5 Titanium
Grade 5 Titanium Sheet

Grade 5 Titanium Sheet

About Grade 5 Titanium

Grade 5 also known as Ti6Al4V, Ti-6Al-4V or Ti 6-4 is the most commonly used alloy. It has a chemical composition of 6% aluminum, 4% vanadium, 0.25% (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 (excluding thermal conductivity, which is about 60% lower in Grade 5 Ti than in CP Ti). Also, among its many advantages, this alloy is heat treatable. In addition, this grade offers an excellent combination of strength, corrosion resistance, weld and fabricability.
This alpha-beta alloy is the workhorse alloy of the titanium industry. The alloy is fully heat treatable in section sizes up to 15 mm and is used up to approximately 400 °C (750 °F). Since it is the most commonly used alloy – over 70% of all alloy grades melted are a sub-grade of Ti6Al4V, its uses span many aerospace airframe and engine component uses and also major non-aerospace applications in the marine, offshore and power generation industries in particular.
Some applications include: Blades, discs, rings, airframes, fasteners, components. Vessels, cases, hubs, forgings. Biomedical implants.
Generally, Ti-6Al-4V is used in applications up to 400 degrees Celsius. It has a density of roughly 4420 kg/m3, Young’s modulus of 120 GPa, and tensile strength of 1000 MPa. By comparison, annealed type 316 stainless steel has a density of 8000 kg/m3, modulus of 193 GPa, and tensile strength of 570 MPa. Tempered 6061 aluminium alloy has a density of 2700 kg/m3, modulus of 69 GPa, and tensile strength of 310 MPa, respectively.

Ti-6Al-4V standard specifications include:

  • UNS: R56400,
  • AMS: 4911, 4920, 4928, 4934-4935, 4965, 4967, 6930-6931, T9046
  • ASTM: B265, B348, B381 F136
  • MIL: T9046-T9047
  • MMS: 1217, 1233
  • DMS: 1570, 1583, 1592, 2285, 2442 R-1
  • BMS: 7-348

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