| Grade 1 | Commercially pure titanium | Lowest strength among the commonly used commercially pure grades; excellent formability and corrosion resistance. | Deep-drawn parts, chemical-process equipment, and formed components where ductility is important. | About 0.5–3 mm for many formed sheet parts; confirm design loads and forming needs. | Specify forming condition, dimensions, surface finish, and the required material certificate. |
| Grade 2 | Commercially pure titanium | A widely used balance of strength, formability, weldability, and corrosion resistance. | Chemical-processing equipment, heat exchangers, tanks, and general corrosion-resistant fabrication. | About 0.5–6 mm for common sheet applications; thicker product may be ordered as plate. | Confirm service environment, required mechanical properties, flatness, and whether the order is sheet or plate. |
| Grade 3 | Commercially pure titanium | Higher strength than Grades 1 and 2, with lower formability than Grade 2. | Equipment and fabricated parts needing more strength than Grade 2 while retaining commercially pure titanium corrosion resistance. | About 1–6 mm as an initial quotation range; verify forming limits and design requirements. | Check the specified grade carefully and request test results for the required product form and thickness. |
| Grade 4 | Commercially pure titanium | Highest strength among the commercially pure grades listed here; less formable than Grades 1 and 2. | Higher-strength corrosion-resistant components and formed parts with less demanding shaping requirements. | About 1–6 mm as an initial quotation range; assess forming and fabrication methods first. | Confirm strength requirements, bend radii, weld procedure, and applicable material specification. |
| Grade 5 | Ti-6Al-4V alpha-beta alloy | High strength-to-weight ratio; generally less formable at room temperature than commercially pure grades. | Aerospace, transport, and engineering parts where strength and low weight are important. | About 0.5–6 mm for sheet-format inquiries; confirm allowable condition and forming route. | State alloy condition, applicable specification, inspection requirements, and traceability needs. |
| Grade 7 | Commercially pure titanium with palladium addition | Similar general mechanical characteristics to Grade 2; palladium improves resistance in certain reducing-acid environments. | Chemical-process equipment for environments where the added corrosion resistance is required. | About 0.5–6 mm as an initial sheet inquiry; select only after reviewing the process environment. | Check chemical concentration, temperature, and operating conditions with a corrosion specialist. |
| Grade 9 | Ti-3Al-2.5V alpha-beta alloy | Moderate-strength alloy with better formability than Grade 5 in many applications. | Tubing, formed components, and lightweight structures requiring a balance of strength and formability. | About 0.5–3 mm for formed sheet parts; verify availability and forming requirements for the order. | Confirm that sheet—not tubing—is the required product form and specify the required material condition. |
| Grade 23 | Ti-6Al-4V ELI alpha-beta alloy | Extra-low-interstitial version of Grade 5; selected where its specified toughness and material requirements are needed. | Medical and other specialized applications requiring the Grade 23 specification. | About 0.5–6 mm for sheet-format inquiries; confirm the exact specification and condition. | Require grade-specific certification and any application-specific regulatory or traceability documentation. |