... . Material:Gr1,Gr2,Gr3,Gr5,Gr7,Gr9,Gr12 2. Standard:ASTM B381,ASME/ANSI B16.5,DIN 2630-2636/1092 3 ... support LIHUA Titanium Flanges1>1. Specifications: DN10----DN30002. Producing Standard: ASTM B381, ASME/ANSI B16.5,DIN 2630-2636, DIN 10923 ...