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Grade 2 vs Grade 7 Titanium Tube
2026-08-11
Grade 2 and Grade 7 are commercially pure titanium families with different corrosion-selection intent. Grade 7 includes palladium and should be chosen only after reviewing the complete chemical environment and design.

Material Comparison
| Item | Grade 2 | Grade 7 |
|---|---|---|
| UNS | R50400 | R52400 |
| Family | Commercially pure titanium | Palladium-alloyed commercially pure titanium |
| Selection focus | General industrial corrosion service | Corrosion-selected reducing-acid or crevice conditions after review |
Service Review
Provide medium, concentration, temperature, aeration, impurities, pressure, crevices, flow and upset conditions. Grade 7 is not automatically necessary or sufficient for every aggressive environment.
Compare Grade 2 Seamless Tube and Grade 7 Seamless Tube.
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Seamless vs Welded Tube · B338 vs B861 vs B862 · Tube Applications and Selection
