... alloy tube astm b338,astm b337 gr5 1. Grade: Gr1, gr2, gr3, gr5 (ti-6al-4V), gr7, gr9, gr122. Standard: ASTM b337, ASTM b338, ASTM b8613. Production ... stability. Good thermal conductivity, biological features, plasticity, etc.5. Applications: Industry field, aerospace, architectural, automotive, biomedical, chemical processing, marine, military, oil ...