Blank Flange GOST ATK 24.200.02.90 1.Material: Stainless steel 2.Type: ... , MOSCOW Pavilion F.Stainless Steel Blank Flange GOST ATK 24.200.02.90 Good quality and competitive priceDescriptionStainless steel FlangeProducts ... , 321, 321H Class150#,300#,400#,600#,900#Production processraw material--cutting--heating--forging--heat treatment --maching--inspection. ApplicationPetroleum, chemical, power, ...