Grade 12 (Ti-0.3Mo-0.8Ni) Titanium Alloy Plate Manufacturer - Daxun Alloy

Grade 12 titanium (Ti Grade 12 / UNS R53400) is a nickel-molybdenum-enhanced, commercially pure (CP) titanium alloy specifically engineered for superior corrosion resistance in moderately aggressive environments. It consists of titanium (≥99%) with strategic additions of 0.6–0.9% nickel (Ni) and 0.2–0.4% molybdenum (Mo), which significantly improves its corrosion performance. This nickel-molybdenum modification enhances resistance to reducing acids (e.g., sulfuric, hydrochloric), chloride solutions, and crevice corrosion—conditions where standard CP grades like Grade 2 would show limited performance. While maintaining the inherent advantages of titanium—low density (~4.5 g/cm³), high strength-to-weight ratio, excellent weldability, and biocompatibility—Grade 12 offers improved strength and better corrosion resistance at elevated temperatures (up to ~315°C/600°F) compared to other CP grades. Its passive oxide layer, reinforced by the nickel-molybdenum addition, provides robust protection against chemical attack, making it an excellent choice for applications requiring enhanced corrosion performance without the premium cost of palladium-containing alloys.

Where is Grade 12 titanium used?

Grade 12 titanium is widely utilized in chemical processing for components such as heat exchangers, piping systems, and vessels handling chlorides, organic acids, and reducing media. In marine and offshore applications, it serves in seawater cooling systems, heat rejection equipment, and components exposed to brackish water. The alloy also performs exceptionally well in oil and gas production, particularly in downhole equipment and sour gas environments where hydrogen sulfide resistance is critical. Additionally, Grade 12 finds applications in pollution control systems, pulp and paper processing, and heat management systems. Its cost-effective balance between corrosion resistance and mechanical properties—offering performance superior to standard CP grades but at a lower cost than palladium-enhanced alloys—provides excellent lifecycle value by reducing maintenance requirements and extending service life in corrosive environments. This combination of performance and economics makes Grade 12 titanium a preferred material for demanding applications where both reliability and cost-effectiveness are essential considerations.