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Titanium Grade 4

A commercially pure grade, Titanium Grade 4 is a material of choice for application where ease of formability is required.

Titanium Grade 4, also known as titanium CP1, is the softest and most ductile of all the titanium grades. It has excellent corrosion resistance and high impact toughness.


Product formSize range fromSize range to
Titanium Grade 4 sheet & plate0.4064 mm1.6002 mm GET A QUOTE
Titanium Grade 4 round bar25.4 mm107.95 mm GET A QUOTE

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Sheet & Plate

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Round Bar

Chemical Analysis



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Titanium Grade 4 can be used in a variety of applications, here are just a few examples:

  • Airframe components
  • Cryogenic vessels
  • Heat exchangers
  • CPI equipment
  • Condenser tubing

About Titanium Grade 4

Also known as titanium CP1, Titanium Grade 4 is most commonly applied in the aerospace and chemical processing markets. It possesses outstanding corrosion resistance and ductility.  Due to its excellent resistance to corrosion fatigue in seawater, Titanium Grade 4 is commonly used for marine components.

This alloy is also very resistant to many chemical environments including oxidising media, alkaline media, organic compounds and acids, aqueous salt solutions, and wet or dry hot gases. It also has sufficient corrosion resistance in liquid metals, nitric acid, mildly reducing acids, and wet chlorine or bromine gas.

Titanium Grade 4 has the highest strength of the CP grades, making it competitive with stainless steels for many corrosion resistant applications. Whilst the strength of Titanium Grade 4 is on a par with annealed stainless steels, it offers superior corrosion resistance and significantly lighter weight due to its low density.

Titanium Grade 4 is not subject to grain boundary embrittlement or sensitization at elevated temperatures.



UNS Number:
UNS R50700
ASTM B265, 348, 381
Download the Titanium Grade 4 Data Sheet Download

FAQs & Resources

Titanium Grade 2 is commercially pure titanium, also known as titanium CP3. It has excellent corrosion resistance in oxidising media and moderate strength combined with good welding and cold-forming properties. Titanium Grade 2 has an alpha crystalline structure. Its density is approximately 50% that of nickel alloys and stainless steels. Titanium Grade 2 is widely used in marine, oil & gas and chemical processing applications.

Titanium Grade 5 or Titanium 6Al-4V is an alpha-beta titanium alloys and by far the most widely used grade of titanium. This alloy was originally developed for light-weight and high strength applications in the aerospace market. More recently the alloy has seen extensive use in the oil & gas market where a combination of high strength, corrosion resistance and lighter weight is essential. The alloy can be heat treated to different levels of strength. The density of Ti Grade 5 or Ti 6Al-4V is about 50% that of nickel-based alloys and stainless steels. It is therefore used extensively in various applications at service temperatures up to 400°C due to its high strength-to-weight ratio.

Titanium is weakly magnetic or you can say it is paramagnetic to be precise. It has a relative magnetic permeability greater than 1. Paramagnetic is attracted to applied external magnetic field but do not retain the magnatisation when the applied magnetic field is absent.

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