... with competitive priceDescriptionStainless steel FlangeProducts categorySOP SOH BL WN MSS API AWWA LONGWNAirtight surface type StandardANSI,DIN,EN1092-1,NFE,AS ... , 316, 304L, 304,Class150#,300#,400#,600#,900#Production processraw material--cutting--heating--forging--heat treatment--maching--inspection. ApplicationPetroleum, chemical, power ...