Gr1 Titanium flange machine : Material:Gr1 Standard:ASTM B381 Gr1 Titanium Flange machine : 1.Grade:Gr1,Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr23 2.Technique:Forged,CNC Machined ... and CrackDetection ReportTable 1. Description Titanium forged flangeMaterialPure titanium or alloy titaniumGrade Gr2,Gr3,Gr4,Gr5, etcStandardsASTM B381,ASTM B348,ASME SB348,ASTMF136,AMS 4928SpecificationOD ...