1.material: gr1,gr2,gr3,gr5,gr7,gr9,gr12 2.standard:astm b381, ... DESCRIPTION OF OUR FLANGEitem nametitanium flangeSTANDARDASTM,ANSI, DIN, GB,HGMATERIALGR1,GR2,GR3,GR4,GR5,GR7,GR9,GR10,GR12SIZEDN10-DN2000 0.6 ... TG,RJ ,ECT.QUALITY CONTROLLultrosonic testing and material quality reportPACKAGEPlywood case line with foam or as your requirementChoose our flange,Choose high quality and satisfaction!welcome ...