... ,gr5,gr7,gr9,gr12 2.standard:astm b381,ANSI B16.5,DIN2630-2636,GB/T9116,HG29523 THE DESCRIPTION OF ... OUR FLANGEitem nametitanium flangeSTANDARDASTM,ANSI, DIN, GB,HGMATERIALGR1,GR2,GR3,GR4,GR5, ... 32MPAPRESSURE RATINGDIN PN6,PN10,PN16,PN25, TILL PN250 (ANSI) CL150,CL300,CL600,CL900,CL1500WORKING TEMPERATURE-6--250 ... flange.hope cooperate with you!Queen Ti, benefit the world!