Chemical composition of the product in line titanium rod for salewith GB / T3620.1 corresponding provisions grades, titanium, TC4 and TC4ELI the H content should be not more than 0.010%. When the demand-side review, the chemical composition and permissible variations should be consistent with the provisions of GB / T3620.2 of. Dimensions product dimensions and tolerances should use the appropriate precision instrument measure, according to customer requirements to ensure that the level of magnification of plus or minus tolerance test was referring to the provisions of GB / T5168's. Medical titanium rod, does not allow cracks, holes, metal or non-metallic inclusions and other visible defects lateral visual low titanium rod times on medical titanium alloy bars. Annealed titanium rods should be uniform transverse microstructure, grain size should be no bigger than 5. High-powered organization Medical Titanium rods annealed condition shall comply with A1 ~ A9.