Titanium
Online Metals offers premium Titanium for aerospace and medical use. We stock Grade 2 and Grade 5 (6Al-4V) for the ultimate strength-to-weight performance. With no minimums and fast shipping, we provide the exotic metal that engineers, racers, and bio-techs demand.
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Titanium is the pinnacle of high-performance metals, renowned for its incredible strength-to-weight ratio—matching steel while being 45% lighter—and total immunity to corrosion in saltwater and most natural environments. It is completely biocompatible, meaning it is non-toxic and non-allergenic, making it essential for medical implants where the body must accept the material. While it is difficult to machine due to poor heat conductivity and requires a pure argon environment to weld successfully, titanium is the ultimate choice for critical aerospace, medical, and marine applications where performance cannot be compromised.
Learn More About Titanium
Thinking about using Titanium for your next project? It is the metal of the space age—as strong as steel but 45% lighter. To help you harness this incredible material, here are five important factors regarding Titanium:
- The Two Main Grades
- Grade 2 (Commercially Pure): Excellent corrosion resistance and formability; easy to weld. Used in chemical plants and medical implants.
- Grade 5 (6Al-4V): The aerospace standard. Much stronger than Grade 2 but harder to work with; used in jet engines and race cars.
- Biocompatibility The human body does not reject titanium. It is non-toxic and non-allergenic, which is why it is the primary material for surgical implants, hip replacements, and body jewelry.
- Heat Conductivity and Galling Titanium is a poor conductor of heat. When machining, heat builds up at the cutting edge rather than dissipating, so you must use sharp tools and plenty of coolant. It is also prone to "galling" (sticking) against other metals.
- Difficult but Weldable Titanium can be welded, but it requires perfect shielding. At welding temperatures, it absorbs oxygen and nitrogen from the air instantly, which ruins the weld. A pure argon environment is mandatory for success.
Some common uses for Titanium:
- Aerospace airframes and engines
- Medical implants and surgical tools
- Chemical processing heat exchangers
- High-performance bicycle frames
- Marine propeller shafts
- Camping gear and knives
How Online Metals Can Help You Online Metals makes it easy to find exactly what materials you need. With the widest selection of Titanium sheet, plate, bar, and tube in the U.S., we deliver both to businesses and homes with no minimum orders. We offer high-tolerance custom cuts, all supported by our first-in-class customer support, fast order processing, and economical on-time delivery.
Titanium FAQs
Why is titanium so expensive?
Titanium is costly due to its extraction and refining process, which involves advanced technologies and energy-intensive methods. Additionally, its low abundance in the Earth's crust contributes to its high market price.
What are the main applications of titanium in aerospace?
Titanium is extensively used in aerospace for its combination of high strength, low weight, and corrosion resistance. It is found in aircraft components like airframes, engine parts, and landing gear.
How does titanium resist corrosion?
Titanium forms a protective oxide layer on its surface, providing excellent corrosion resistance. This oxide layer is stable, adherent, and self-healing, making titanium suitable for use in corrosive environments.
What are the advantages of using titanium in medical implants
Titanium's biocompatibility, corrosion resistance, and low modulus of elasticity make it well-suited for medical implants. It minimizes the risk of adverse reactions in the body, ensures durability, and provides a good match for the mechanical properties of bone.
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