1. Material:Titanium. 2. Grade: Gr2, Gr5, Gr7, Gr9. 3. Standards:GB/T3621-94. 4.Application:Bicycles,Motors,Chemicals. DescriptionStandards : GB/T3621-94.Strength :Superior Quality, Fast delivery, Competitive price as well as humanized after-sales service.Features : Low density, rustless, good antiwear property, high strength.Size : Set the size according to the customers' requirements. Detailed ...