1.Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr12 2.OD:50-3000mm 3.WT10-400mm,or as your required 4.quality control:ISO 9001,SGS 5.in stock Titanium ring/ discs 1 Grade: Gr 1, Gr 2, Gr 3, Gr 4, Gr 5,Gr 7,Gr 9,Gr 12,Gr 23 2. OD: 50mm-5000mm, Wall Thickness: 10-400mm,or as your required 3. Standard: ASTM B381, ASTM B348, ASTM F67,ASTM F136, AMS 4928 4. Annual Export Quantity: 1000T/year 5.Delivery:5--10days 6. ...