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Different Grades of Titanium: Uses, Advantages, and Disadvantages


grade 5 titanium rods

As a supplier serving the automotive/motorsports industry, we only sell Grade 5 titanium.  However, wee're often asked about the different grades available, and their advantages and disadvantages. This article will guide you through the different grades of titanium, their typical uses, and the pros and cons associated with each. 


Grade 1 Titanium 

Uses: Grade 1 titanium is the softest and most ductile grade, often used in applications that require a high degree of formability. It's commonly found in architectural designs, chemical processing plants, and marine environments.


- Excellent corrosion resistance

- High impact toughness

- Maximum formability and ease of fabrication


- Lower strength compared to other grades

- Not suitable for high-strength applications


Grade 2 Titanium

titanium at sea

Uses: This type of titanium has a lower density rating making it useful for applications where low weight is a primary consideration. It is often used in the marine, chemical, and desalination industries.


- Good strength-to-weight ratio

- Strong corrosion resistance


- Higher cost than some other industrial metals

- Requires precise machining techniques


Grade 3 Titanium

Uses: With higher mechanical strength, Grade 3 is utilised in robust structures, such as airframe components, cryogenic vessels, and outdoor piping systems. 


- Greater strength than Grades 1 and 2

- Retains good ductility

- Resistant to fatigue and crack propagation


- Less formable than Grade 1

- Can be more expensive due to its enhanced properties


Grade 4 Titanium

Uses: This is the strongest of the commercially pure titanium grades. It is frequently used in aerospace, industrial and medical applications where high strength is a priority.


- Highest strength of the unalloyed grades

- Excellent corrosion resistance

- Good weldability 


- Reduced formability

- Requires advanced machining techniques


Grade 5 Titanium (Ti 6Al-4V)

Uses: Grade 5, or Ti 6Al-4V, is the most commonly used titanium alloy. It finds its place in high-performance applications such as aerospace, medical implants, and high-speed vehicles.

racing motorcycle


- Exceptional tensile strength

- Good thermal stability

- Excellent resistance to fatigue and crack growth


- More difficult to weld and machine

- More expensive than pure titanium grades


Grade 7 Titanium 

Uses: This grade offers superior corrosion resistance, making it suitable for chemical processing, energy production, and desalination plants.


- Outstanding corrosion resistance in reducing and oxidizing environments

- Similar mechanical properties to Grade 2


- Relatively rare, which can increase costs and lead times

- Similar to Grade 2 in terms of strength limitations


Grade 9 Titanium (Ti 3Al-2.5V)

Uses: This alloy is used in applications that require higher strength than pure titanium can provide, such as in sporting goods, automotive tubing, and marine hardware.


- Higher strength-to-weight ratio than pure titanium grades

- Good weldability and corrosion resistance


- More costly than pure grades due to vanadium and aluminum content

- Limited availability compared to Grade 5


Grade 12 Titanium

Uses: Grade 12 is often used in chemical processing due to its enhanced ability to withstand extreme temperatures and corrosive materials.

chemical factory with titanium


- Excellent heat resistance

- Better corrosion resistance than some stainless steels


- Higher cost due to the addition of nickel and molybdenum

- Not as strong as Grade 5



Selecting the right grade of titanium is paramount for ensuring optimal performance and longevity of the application it serves. Each grade of titanium offers a unique set of advantages and disadvantages, from superior corrosion resistance and formability to unparalleled strength and heat resistance. Grade 5 is the type best suited to most automotive applications and is the grade offered by RSR Moto and other quality suppliers.

Paul Jordan, RSR Moto Ltd, 2023.