... Gr3,Gr4,Gr5,Gr7,Gr9,Gr11,Gr12,TI6AL4V ELI Standard:ASTM B265 ASME SB265, AMS-4911 AMS-T-9046 Titanium ... 8.Quality Assurance ----According to globally recognized standards, such as ASTM, AMS, ASME,JIS,MIL...----All of our raw material ... the largest titanium sponge manufacturer in China)-----Chemical composition, Mechanical properties, Microstructure are strictly controlled, making sure that no defects ...