The production process of titanium strip and foil includes the following basic processes: hot rolling of slab into flat material and winding into rolls - warm rolling and cold rolling into intermediate strip billets - cold rolling of strip and foil with multi-roll mill Finishing process.
When the strip billet is rolled to a thickness of 1.6 mm, the low alloyed titanium alloy can be cold rolled, and the high alloyed titanium alloy is subjected to two rolling mills at 720 to 800 T, and the total relative deformation is 50. % and 40%. Between the two rolling passes, the strip blank needs to be pickled and annealed during cold rolling, while only pickling is required for warm rolling.
The titanium foil material is generally 0.5 to 0.8 mm strip material in a vacuum annealed state, and is subjected to a cold rolling process with a total reduction of 20% to 50% of 7 to 8 cold rolling passes, and rolled to a final thickness of 0.05- 0.08mm.
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