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Name:Titanium CP2 – Grade 3
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Brief introduction: Titanium CP2 – Grade 3
Grade 3 Unalloyed titanium, medium oxygen.
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Titanium CP2 – Grade 3

Commercially Pure Titanium Grade 3 is stronger and less formable than Titanium Grades 1 and 2. It is used in Aerospace and industrial applications that require moderate strength. Grade 3 titanium has excellent corrosion resistance.


Aerospace, Architecture, Automotive, Chemical Processing & Chlorate Manufacturing, Desalination, Hydro Carbon Processing, Marine, Medical, Power Generation,


ASME SB-363, ASME SB-381, ASME SB-337, ASME SB-338, ASME SB-348, ASTM F-67, AMS 4921, ASME SB-265, AMS 4902, ASME SB-337, ASME SB-338, AMS 4942

Forms Available

Bar, Fittings, Flanges, Forgings, Pipe, Plate, Sheet, Tube, Welding Wire, Wire

Comparison between Titanium Grade 1, Titanium Grade 2 , Titanium Grade 3 and Titanium Grade 4

Comparison between Titanium Grade 1, Titanium Grade 2 , Titanium Grade 3 and Titanium Grade 4

Titanium Grade 1, Titanium Grade 2 , Titanium Grade 3 and Titanium Grade 4 are considered commercially pure. Microstructurally, they are all alpha-phase alloys. The difference, however, lies in the amount of interstitial elements added to each grade. The figure below shows the interstitials level of each grade and its corresponding mechanical properties.

Comparison between Titanium Grade 1, Titanium Grade 2 , Titanium Grade 3 and Titanium Grade 4Interstitial elements such as O², Fe and N, with oxygen (Oxygen) being the most significant. Titanium Grade 1 contains the least interstitial elements and has the lowest ultimate tensile stress (UTS) i.e. 0.18% wt. O², 0.20% wt. Fe and 240 MPa. Titanium Grade 4, on the other hand, contains the most interstitial elements and has the highest UTS (more than twice that of Titanium Grade 1) i.e. 0.40% wt. O², 0.50% wt. Fe and 550 MPa. Therefore, we can conclude that the higher the interstitials e.g. O² and Fe, the stronger the alloy. It is evident that as UTS increases, elongation decreases, making the alloy less ductile. The strength of commercially pure Titanium thus increases with the Grade number i.e. Titanium Grade 4 is stronger than Titanium Grade 3, Titanium Grade 3 is stronger than Titanium Grade 2 and Titanium Grade 2 is stronger than Titanium Grade 1.

1 240 138 24 0.18 0.08 0.03 0.015 0.20
2 345 275 20 0.25 0.08 0.03 0.015 0.30
3 450 380 18 0.35 0.08 0.05 0.015 0.30
4 550 483 15 0.40 0.08 0.05 0.015 0.50

Grade 3

grade 3 titanium parts
Grade 3 Titanium Parts

This grade is least used of the commercially pure titanium grades, but that does not make it any less valuable. Grade 3 is stronger than Grades 1 and 2, similar in ductility and only slightly less formable - but it possesses higher mechanicals than its predecessors.

Grade 3 is used in applications requiring moderate strength and major corrosion resistance. These include:

  • Aerospace structures
  • Chemical processing
  • Medical industry
  • Marine industry

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