... Gr17, Gr19, Gr23Descriptions:Cp grade 1 can be used in the deep drawing parts for its good elongation ... grade 3 is almost only used in pressure vessel.Cp grade 4 can be used in some fitting parts and ... 5, Ti-6Al-4V, is the most widely used in the titanium alloys because of its comprehensive mechanical, ... Ti-6Al-4V ELI(Extra Low Interstitial) can be used in the medical appliance.Standard:ASTM B337, ASTM ...