... ISO9001:2008,TUV 2010, PED20 Weld Neck Carbon Steel Flange:1.Type:Carbon Steel Flange2.Material:Carbon steel3.Certification ... 1000/3 1600/3 2500/3 T/D T/E T/FJIS5K,10K,16K,20K,30K,40K ,JIS ... ,UNI2544UNI2276-2278,UNI6084,UNI6089-6093,UNI2281-2284,ASAS2129 TABLE D TABLE H TABLE EEN1092TYPE01,TYPE02,TYPE05, TYPE11,TYPE12,TYPE13GBGB9112~9125-88 ... Treatment 6.Cutting7. Inspection Weld Neck Carbon Steel Flange