... corrosion resistance, Professional processing of seamless and welded pure titanium and titanium alloy ring rings. Characteristic:Density is small (4.51 KG/m3), ... TC4 titanium (Ti), iron (Fe) 0.30, or less carbon (C) 0.10, or less nitrogen (N) 0.05 or less, hydrogen (H), 0. ... 4.5, to the requirement of medical titanium alloys, hydrogen, oxygen content not higher than 0.13. Feature: a.Low Density and ...