... , JIS, JPI, UNI, BS, etc. 2) Material: 304, 321, 304L, 316, 316L, 317L, 310S, 904L, 2520, etc. 3) Type: Welding neck, Socket welding, Slip-on, Threaded ... , Wooden case, Pallet or according to customer's requirement stainless steel 304 slip on flange