... Gr 1, Gr 2, Gr 3, Gr 4, Gr 5, Gr 7, Gr 9, Gr 12 e)Test: mechanical properties ... 40Grade 4Blance__0.500.80.050.0150.400.40Grade 5Blance5.5-6.753.5-4.50.400.80.050.0150.500.40Grade ... max is 15 meter. The ti content can be 99.7% min.*We strictly produce the goods by standard ASTM ... we purchase different grades high quality ti sponge. The purity is from 99.5~99.8%. We never use ti scrap, billets and off ...