Detailed Product Description Titanium RingGrade: Gr1, Gr2, Gr3, Gr4, Gr5, Gr7, Gr9, Gr11, Gr12Size:Dia.:150-600mm Thickness:35-150mmOD:200-3000mm Id:100-900mm Height:40-700mmStandard:ASTM B381 GB/T 16598Finish:As forged or machinedpacking: in wooden case and standare export packing Origin:ChinaMin. Order:100kgsTransportation:by sea or air