Titanium grade 5

Various types of special alloys, titanium and copper alloys

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Ti-6AL-4V Grade 5 Titanium in sheet, bar, and plate
Titanium Grade 5, also known as Ti6Al4VTi-6Al-4V or Ti 6-4, it is one of the most popular alloys in the titanium industry and accounts for almost half of the titanium used in the world today.  Commonly referred to as Ti-6AL-4V (or Ti 6-4), this designation refers to its chemical composition of almost 90% titanium, 6% aluminum, 4% vanadium, 0.25% (max) iron  and 0.2% (max) oxygen.  It features excellent strength, low modulus of elasticity, high corrosion resistance, good weldability and it is heat treatable.  The addition of aluminum and vanadium increases the hardness of the material in the alloy matrix, improving its physical and mechanical properties.



Weight % Al V Fe N C O H Ti
Min.  5,5  3,5
Max.  6,8  4,5  0,25  0,05  0,08  0,2  0,015  BAL.


Related Specifications of Ti6Al4V (Grade 5 Titanium )

  • UNS R56400
  • ASTM B348 (Grade 5)
  • 3.7164
  • 3.7165


Titanium grade 5 Mechanical Properties

Property Minimum Typical Value
Tensile Strength MPa (ksi) 897 (130) 1000 (145)
0.2% Proof Stress MPa (ksi) 828 (120) 910 (132)
Elongation Over 2 Inches % 10 18
Reduction in Area % 20
Elastic Modulus GPa (Msi) 114 (17)
Hardness Rockwell C 36
Specified Bend Radius <0.070 in x Thickness 4.5
Specified Bend Radius >0.070 in x Thickness 5.0
Welded Bend Radius x Thickness 6
Charpy, V-Notch Impact J (ft.lbf) 24 (18)



Titanium Grade 5 is a pure alpha-beta titanium with aluminum as the alpha stabilizer and vanadium as the beta stabilizer. This alloy is primarily use for corrosion resistance and is the most widely used specification in all product forms. The alloy features very high strength, good corrosion resistance, excellent strength to weight ratio and high strength at cryogenic temperatures.


Grade 5 alloy is easily welded in the annealed condition, or in the solution and partially aged condition, with aging being completed during the post weld heat treatment. Precautions must be taken to prevent oxygen, nitrogen, and hydrogen contamination. Fusion welding can be done in inert gas filled chambers, or using inert gas welding of the molten metal and the adjacent heated zones using a trailing shield.Spot, seam, and flash welding can be performed without resorting to protective atmospheres.


MACHINABILITY The alloy can be machined using practices for austenitic steels with slow speeds, heavy feeds, rigid tooling and large amounts of non-chlorinated cutting fluid

Heat Treatment of Titanium
Solution treat at 904-954 C(1660-1750 F) for 2 hours followed by water quench.
Rough forge at 982 C(1800 F), finish at @ 968 C (1750 C).
Hot Working
Hot forming will reduce both the springback and required forming forces, and will increase the overall ductility of the material.
Cold Working
The cold working characteristics of this material are similar to those of austenitic stainless steels. In multiple forming operations, intermediate stress relieving is recommended to offset the alloy’s tendency to work harden. Post-work annealing is required to re-attain optimum performance characteristics.
Hold at 732 C(1350 F) between 1/4 and 4 hours, Furnace cool to 566 C(1050 F) then air cool. Furnace cooling is not required for forgings and bars.
Age at 538 C (1000 F) for 4 hours, air cool.


What is gr5 titanium?
Titanium grade 5 or Ti 6Al-4V is an alpha-beta (α-β) alloy. … Titanium grade 1 is the most ductile of the commercially pure Titanium grades. As a result, the alloy is widely specified for the manufacture of plate heat exchangers. Titanium Grade 2 or Titanium CP3 is a commercially pure alpha (α) alloy.
Is Grade 5 titanium harder than steel?
Titanium is highly valued in the metals industry for its high tensile strength, as well as its light weight, corrosion resistance, and ability to withstand extreme temperatures. It’s as strong as steel but 45% lighter, and twice as strong as aluminum but only 60% heavier.
How is grade 5 titanium made?
Titanium Grade 5 is an alloyed titanium and is considered to be an alpha-beta alloy. Titanium Grade 5 is alloyed with 6% Aluminum and 4% Vanadium and is commonly known as Ti 6Al-4V. Titanium Engineers produces titanium bar, seamless tube and titanium machined components in Titanium Grade 5.