sop type flange 1Stainless steel flange 2.Material:Stainless steel 3.Certification:ISO9001:2008,TUV 2010, PED20 sop type flangeMainMaterialStainless steel,Carbon steel,Alloy steelWN ... -2278,UNI6084,UNI6089-6093,UNI2281-2284,ASAS2129 TABLE D TABLE H TABLE EEN1092TYPE01,TYPE02,TYPE05, TYPE11,TYPE12,TYPE13GBGB9112~9125-88 GB ...