... , 321, 304L, 316, 316L, 317L, 310S, 904L, 2520, etc. 3) Type: Welding neck, Socket welding, Slip-on, Threaded, Lap joint, Blind ... , 5K-30K, PN0.25-32Mpa 6) Packing: Plywood case, Wooden case, Pallet or according to customer's requirement stainless steel 304 slip on flange