Grade 5 and Grade 23 Titanium – What’s the Difference?

Titanium is one of the most widely used metals in the world. This high-performance metal has found its way into various industries, including aerospace, maritime, automotive, and medicine. When you’re ready to purchase titanium, consider its grade, as there are several grades to choose from. Two of the most popular grades are Grade 5 and Grade 23 titanium. In this blog post, we’ll take a closer look at each grade and help you understand their essential differences.

Difference between Grade 5 and Grade 23 Titanium


Grade 5 titanium comprises 90% titanium, 6% aluminium, and 4% vanadium. Grade 23 titanium, on the other hand, is composed of 88.5% titanium, 6% aluminium, and 4% vanadium, along with 0.2% oxygen and 0.13% palladium. As such, Grade 23 titanium has a higher oxygen content, which makes it biocompatible and perfect for medical implants.

Tensile Strength:

Grade 5 titanium has a tensile strength of 130,000 psi, while grade 23 titanium has a tensile strength of 120,000 psi. While Grade 5 titanium is stronger, Grade 23 titanium is more ductile, which makes it ideal for applications where flexibility is critical.

Corrosion Resistance:

Both grades of titanium are corrosion-resistant. However, Grade 23 titanium has better corrosion resistance than Grade 5 titanium. The higher oxygen content in Grade 23 titanium improves its resistance to corrosion and makes it ideal for high-stress environments.


Welding titanium requires a great deal of skill and experience. Grade 23 titanium is easier to weld than Grade 5 titanium. Grade 23 titanium has a lower oxygen content, making it less susceptible to weld contamination.


Grade 5 titanium is less expensive than Grade 23 titanium. This is because it’s easier to produce and has been used for much longer. However, when the cost isn’t significant, Grade 23 titanium may be a better choice due to its superior qualities. For more information visit MarketsMartb2b


In conclusion, both Grade 5 and Grade 23 titanium are excellent materials. The choice of which grade to use depends on your specific application. In applications where cost is a significant consideration, Grade 5 titanium is an excellent choice. However, if you require more flexibility, better corrosion resistance, and biocompatibility, Grade 23 titanium is the way forward. By understanding the differences between these two grades of titanium, you can choose the one that best suits your needs.

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