... steel 304/304L, 316/316LCoating: rust-proof oil, transparent yellow paint, hot galv., cold galv.Package: seaworthy ... : FF(flat face), RF(raised face), RTJ( ring type joint)Coating: anti-rust oil, black paint, transparent yellow paint ... seemlessMaterial: carbon steelCoating: anti-rust oil, black paint, transparent varnish, transparent yellow paint, hot dip galvanized, cold galvanizedPackage: seaworthy ...