... STD, SCH40, SCH80, SCH160. SCHXXSMaterial: carbon steel A105, stainless steel 304/304L, 316/316LCoating: black paint, yellow transparent ... PN16, PN25, PN40, PN64, PN100Material: carbon steel C22.8, S235, S235JR, P235GH, stainless steel: 304/304L, 316/316LCoating: black paint, ... 5K, 10K, 16K, 20K, 30K, 40KMaterial: carbon steel SS400, stainless steel SUS304, SUS316Coating : rust-proof oil, cold and hot ...