titanium grade 5 bars:Standard: ASTM B348, F67, F136, ASME SB348 Grade: GR1, GR2, GR3, GR4, ... :Titanium Plate for Internal Bone Fixation Titanium Bar for Bone Screw Titanium Bar for Bone Joint Titanium Mesh Plates for Skulltitanium sheet for plate heat ... specific standard ,size,material,quantity ect ,when it is convenient for youDiameter range:5mm to 100mmLength range:50mm to 2000mmMaterial:Gr1 ...