... steel Non-standard product as per the drawings Forged Welding Neck Stainless Steel Flange 1.Flange typePlate flange,Flat flange,Slip ... on flange,Welding neck flange,blind flange ,Thread flange,lap joint flange etc 2 ... ),PN42.0(Class 2500) 5.Connection typeRaised face,Flat face,Ring type joint,Lap-joint face,male and female connection, etc 6.Quality ...