ISO5832-2 «Standard Specification for Unalloyed Titanium for Surgical Implant» ASTM F67 «Implants for surgery. Unalloyed titanium» Химический состав Марка Ti Fe O2 H2 N C Grade 1 Осн. 0.20 0.18 0.0125 0.03 0.10 Grade 2 Осн. 0.30 0.25 0.0125 0.03 0.10 Grade 3 Осн. 0.30 0.35 0.0125 0.05 0.10 Grade 4 Осн. 0.50 0.40 0.0125…