Introduction
Grade12 titanium alloy is a corrosion-resistant titanium alloy. It is a near-alpha alloy developed to improve the crevice corrosion performance of pure titanium. The alloy contains 0.3% Mo and 0.8% Ni. These additives not only strengthen the alloy, but also significantly improve its crevice corrosion resistance against high temperatures, low pH chlorides or weakly reducing acids. The corrosion resistance of Grade12 alloy is significantly better than that of pure titanium, even close to that of TA9 alloy. In addition, Grade12 titanium alloy also has good process plasticity and welding properties, which makes it widely used in the chemical industry.Grade 12 titanium is considered an "excellent" grade of material due to its high quality weldability, providing great strength at high temperatures.
Chemical components(%)
Composition | C | Ni | Mo | N | H | O | Fe | Others | Ti |
Min | \ | 0.60 | 0.20 | \ | \ | \ | \ | 0.4 | Balance |
Max | 0.08 | 0.90 | 0.40 | 0.03 | 0.015 | 0.25 | 0.30 |
ASTM B265 Mechanical properties
Rigidity | Tensile strength | Yield strength | Elongation |
180-215HB | ≥483MPa | ≥345MPa | ≥18% |
Grade 12 Production Standard
Titanium alloy Grade 12 is available in: Bar, Billet, Castings, Extrusion, Plate, Sheet, Strip, Wire, Welding Wire, Rings and Forgings.
Strip,Sheet and Plate | ASTM B265 |
Pipes/Tubes | Seamless Pipe:ASTM B861 Welded Pipe:ASTM B862 Tubes for Condensers and Heat Exchangers:ASTM B338 |
Wires | ASTM B863 |
Bars and billets | ASTM B348 |
Forgings | ASTM B381 |
Applications
Aerospace:pressure vessels, fuel tanks, fasteners, instrument straps, frames and rocket casings
Chemical and Hydrometallurgy:chemical reactors, storage tanks, pipes and heat exchangers
High-temperature chemical manufacturing:high-temperature reactors, furnaces, pipes and other equipments
Marine engineering:marine platforms, ship components and marine exploration equipment, etc.
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