size: DN15to600 Material: carbon steel Pressure: pn6,10,16,25,40 UNI 2280/1 ... to DN600, 1/2 inch to 24inch2.Material: carbon steel, stainless steel3.Standard: ANSI,JIS,DIN,BS4504,SABS1123,EN1092,UNI ... in-house self check or Third Party inspection11.Carbon Steel:A105,SS400,SF440,RST37.2,S235,C22.8We can also ... valuable words, please don't hesitate to contact me for flange price uni steel flange blind