Inconel 718 vs Titanium – What's the Difference?
The main difference lies in the performance of Inconel 718. Inconel exhibits superior performance at high temperatures, maintaining its strength and resisting oxidation, while titanium's strength decreases at high temperatures. Titanium is also much lighter and has an excellent strength-to-weight ratio at lower temperatures. Inconel is a nickel-chromium superalloy, while titanium is a metallic element with a unique composition. The choice of material depends on the application requirements, such as whether extreme high temperatures (Inconel) or lightweight materials (titanium) are needed.
What are the uses of Inconel 718?
Inconel 718 is a high-strength, corrosion-resistant nickel-based superalloy. It possesses excellent mechanical properties, high-temperature strength, and resistance to oxidation and corrosion. Inconel 718 is widely used in various industries, including aerospace, oil and gas, automotive, and power generation.
What is Inconel 718?
Inconel 718 is a nickel-based superalloy renowned for its excellent performance in high-stress, high-temperature, and corrosive environments. Due to its superior fatigue strength, oxidation resistance, and thermal stability, it is widely used in jet engines, gas turbines, and deep-sea environments.
High Temperature Resistance: Up to 700°C (1292°F)
Excellent fatigue and creep resistance
Excellent corrosion resistance in marine and acidic environments
Common Applications: Aerospace components, offshore drilling components, heat exchangers
What is Titanium?
Titanium is a lightweight, corrosion-resistant metal with an extremely high strength-to-weight ratio. It is often the material of choice for applications requiring weight reduction without sacrificing durability, such as aerospace structures, automotive parts, and medical implants.
Lightweight: Approximately 45% lighter than Inconel 718
Biocompatibility: Suitable for medical applications
Corrosion resistance: Excellent performance in seawater and chloride environments
Common applications: Aircraft structures, orthopedic devices, high-performance automotive parts
Comparison of Inconel 718 and Titanium
Inconel 718 vs. Titanium – 1. Composition:
Inconel 718, also known as UNS N07718, is a nickel-chromium superalloy developed in the 1960s. It is primarily composed of nickel, with significant additions of chromium, iron, and other elements such as molybdenum, titanium, aluminum, and cobalt to enhance its mechanical properties. This complex composition gives Inconel 718 excellent strength, corrosion resistance, and high-temperature performance.
On the other hand, titanium is a transition metal with a unique combination of properties. It is strong, lightweight, and highly corrosion-resistant. Commercially pure titanium grades, such as Grade 2 and Grade 5 titanium, are pure titanium with small amounts of other elements added to improve specific properties. Titanium alloys, such as Ti-6Al-4V, further enhance these properties by adding aluminum and vanadium.
Inconel 718 and Titanium – 2. Properties:
Inconel 718 possesses high strength and toughness, maintaining excellent performance even at high temperatures, making it suitable for high-stress and high-temperature applications. Its corrosion resistance, especially oxidation resistance, is outstanding, making it suitable for corrosive environments. Furthermore, its excellent creep and fatigue resistance at high temperatures makes it ideal for components requiring long-term high-temperature performance.
On the other hand, titanium is known for its lightweight properties, making it ideal for applications with extremely low weight requirements. Its corrosion resistance, especially in saltwater and other harsh environments, is excellent. Titanium alloys, such as Ti-6Al-4V, combine strength, ductility, and toughness, making them suitable for a wide range of applications.
Inconel 718 and Titanium – 3. Applications:
Inconel 718's unique combination of properties makes it the material of choice for high-performance applications in the aerospace, gas turbine, and chemical industries. It is commonly used in components requiring superior strength and corrosion resistance, such as turbine disks, engine mounts, and fasteners.
Titanium and its alloys are widely used in the aerospace, medical, chemical, and marine industries due to their lightweight, corrosion resistance, and biocompatibility. Titanium implants in dental and orthopedic surgery are common examples of their application in the medical field. In the aerospace industry, titanium is used in aircraft frames, engine components, and landing gear due to its high strength-to-weight ratio.
Why Choose Gnee as Your Nickel-Based Alloy Supplier
✅ Over 18 years of export experience, products sold to more than 80 countries
✅ Certified by ISO, SGS, and BV
✅ Global inventory of Inconel, Hastelloy, Incoloy, and Monel alloy tubing, plates, and bars
✅ Custom processing services available – including cutting, polishing, CNC machining, and packaging
✅ Fast delivery within 7-15 days, supported by global logistics partners
📦 Packaging and Shipping
All stainless steel products are packaged using the following methods:
Wooden pallets or crates
Moisture-proof packaging
Labels with furnace number, standard, and size labels
Shipped worldwide by sea, air, or express
Gnee Steel is a supplier of Inconel 718 alloy, offering a wide range of products including: seamless pipe (sizes: 4-219 mm; thickness: 0.5-20 mm); welded pipe (sizes: 5.0-1219.2 mm; thickness: 0.5-20 mm); plates (thickness: 0.1 to 100 mm; width: 10-2500 mm); strips; alloy round bars (diameter: 3-800 mm); flat bars (thickness: 2-100 mm; width: 10-500 mm); hexagonal bars (size: 2-100 mm); wire rods; and extruded profiles. We collaborate with steel mills to provide our customers with Inconel 718 alloy products that meet or exceed numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS standards.
Gnee Steel stocks and sells Inconel 718, pipes, plates, strips, round bars, flat bars, forged billets, hexagonal steel, wire rods, and extruded profiles. Please feel free to contact us at ss@gneesteel.com for a quote.
