metallic flexible hoses reduce pipe wall noise transmission, prevent pipe fatigue, simplify alignment problems and reduce equipment flange stress. Braided Hose W/Carbon Steel Fixed & Floating Flanges 8 x 36 The raised face flanges seal better than traditional flat face flanges. The corrugations are very close pitched for maximum flexibility. Hoses are manufactured from annular corrugated 304 stainless steel tubing covered by a tightly woven 304 stainless steel braid.