Work Instruction COMFOUR®

53 OCCLUSALLY SCREW-RETAINED PROSTHETICS ON CAMLOG ® AND CONELOG ® BAR ABUTMENTS MATERIAL TITANIUM GRADE 4 PROPERTIES (ASTM F67): Chemical structure (in %): O ≤ 0.4 Fe ≤ 0.5 C ≤ 0.08 N ≤ 0.05 H ≤ 0.015 Ti Rest Mechanical properties: Tensile strength ≥ 550 MPa Elongation at break ≥ 12 % TITANIUM ALLOY TI6AI4V ELI PROPERTIES (ASTM F136): Chemical structure (in %): AI 5.5–6.5 V 3.5–4.5 Fe ≤ 0.25 C ≤ 0.08 N ≤ 0.05 O ≤ 0.13 H ≤ 0.012 Ti Rest Mechanical properties: Tensile strength ≥ 860 MPa Elongation at break ≥ 10 %