... Flange GOST ATK 24.200.02.90 1.Material: Stainless steel 2.Type: Blank 3.Delivery: ... , 2013 EXPOCENTRE, MOSCOW Pavilion F.GOST 12820-80 Stainless Steel Plain Flange PN10 PN16 Good quality ... 10 15 20 25 32 40 50 65 80 90 100 125 150 175 200 225 250 ... 321, 321H Class150#,300#,400#,600#,900#Production processraw material--cutting--heating--forging--heat treatment --maching--inspection. ApplicationPetroleum, ...