1. Material:Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12 2. Standard:ASTM B381,ASME/ANSI B16.5,DIN 2630-2636/1092 3. ... Professional tech support LIHUA Titanium Flanges1>1. Specifications: DN10----DN30002. Producing Standard: ASTM B381, ASME/ANSI B16.5,DIN ... 2630-2636, DIN 10923. Material: TA0,TA1,TA2,TA3,TA9,TA10,TC4,(Gr1,Gr2,Gr3 ...