... , Ti-6Al-4V ELI, Ti-6Al-4V, Gr.1, Gr.2, Gr.3, Gr.4, Ti-6Al-7Nb MATERIAL GRADESTANDARDTA0,TA1 ... ,TA2,TA3,TC4GB/T 13810-2007 ISO 5832-2Ti-6Al-4VISO 5832-3Ti-6Al-7NbISO 5832 ... .3, Gr.4, Ti-6Al-7Nb. SPE 2.0~20mm×≤3700mm STANDARD GB/T13810-2007, ASTM F136-02a, ASTMF67-95, ASTM F1295 ...