... B348,ASTM B381 2.Grade:GR1,GR2,GR5,GR23ELI 3.Shape:Round,Square,Hexagonal 4.rolled/forged Titanium bar ends 1)Standard ... :ASTM B348, ASTM B3812)Grade: GR1,GR2,GR5,GR23ELI3)Shape: Round,Square,Hexagonal4)Size: DIA > 7-230mm Length :300~3000mm(M ...