... is DN6-DN450. b)the material is Austenitic stainless steel, mainly metal hose304, metal hose 316,and produce according to buyers resquest. c ... hose 16kg pressure, metal hose 25kg pressure, metal hose 40kg pressure and so on. d) this products with high temperature resistant, anti-corrosion performances. stainless steel Flexible Braided Hose ...