Grade: gr2 gr5 ( ti6al4v ) Standard: astm b367-1993, yy0117.2-2005 (surgical implant ), din 65083-1986 Minimum wall thickness: 0.8mm Minimum weight: 0.001kg; Surface roughness: ra3.2~6.3 Wooden box titanium and titanium alloy, stainless steel, high temperature alloy ):
