1.material: gr1,gr2,gr3,gr5,gr7,gr9,gr12 2.standard:astm b381,ANSI ... DESCRIPTION OF OUR FLANGEitem nametitanium flangeSTANDARDASTM,ANSI, DIN, GB,HGMATERIALGR1,GR2,GR3,GR4,GR5,GR7,GR9,GR10,GR12SIZEDN10-DN2000 0.6 ... foam or as your requirementChoose our flange,Choose high quality and satisfaction!welcome you to buy our flange.hope cooperate with you!Queen Ti ...