As it combines this higher strength with good ductility, cold-formability and weldability it is the most commonly used type of the commercially pure titanium grades. Grade 2 has a higher percentage of oxygen (and Iron) interstitials (impurities) giving it a higher strength (50000 psi or 345 MPa). Grade 1 has a relatively low strength of 34800 psi or 240 MPa. Therefore very useful for intricate parts in corrosive environments. Grade 1 contains the highest percentage of titanium, making it the softest and most ductile (easy formable) titanium grade which also as an excellent weldablility. Mainly the difference in oxygen content between grades 1 (low) through 4 (high) results in an increase of tensile strength. These grades are distinguished by the level of impurities (interstitials). Grades 1 through 4 are unalloyed and therefore considered commercially pure (CP). For other metals and alloys please refer to the “materials” page Unalloyed (pure) titanium ![]() On this page you can find the widely used titanium types (grades) which can be processed using the plasma polishing process. Moreover the process is dimensionally stable so details (be it rounded) will remain intact. For the EPP process no acids are used, therefore reducing the chance of pitting. Titanium can, however, be polished to a mirror-like high gloss finish using the Electro-Plasma Polishing (EPP) process and simultaneously be deburred. This makes titanium a very versatile material (applications), however conventional methods of polishing and deburring are less suitable for titanium. ![]() Titanium is known for being both strong and lightweight, additionally it is highly corrosion resistant.
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