Titanium tubes/pipes used for medicine grade and general grade
Medicine materials provide in accordance to GB/T13810-1997
General materials provide in accordance to GB/T3624-1995, GB/T3625-1995
Products designation, manufacture method, delivery condition and specification show table as follow.

Designation: TC4/TC4
Delivery condition: Annealing/condition(M)  
Processing method: Cold rolling??10/(Cold plucking)  
Out diameter(mm): 3.4/??13
Thickness(mm): 4.2