... density 5. No pol SpecificationsAMS 4928 75MM Titanium bar and alloy rod are available. material:GR1,GR2,GR3,GR4,GR5,GR7 ... subject to 100% ultrasonic testing.1)titanium bar and titanium alloy rod are available.2)material:GR1,GR2,GR3,GR4,GR5 ...