Flexible Metal Hose Assembly, Hose Inside Dia. 1/2 in, Hose Length 12 in, Hose Tube Material 321 Stainless Steel, Hose Cover Material 304 Stainless Steel, Max. Working Pressure @ 70 F 1,186 psi, Temp. Range 32 Degrees to 850 Degrees F, Dynamic Min. Bend Radius (In.) 5.5 in, Hose Fitting A Material Carbon Steel, Hose Fitting B Material Carbon Steel, Hose Fitting A Type MNPT, Hose Fitting B Type MNPT, Hose Fitting A Size 1/2 in, Hose Fitting B Size 1/2 in These corrugated metal hoses have a 321 stainless-steel inner hose and a 304 stainless-steel braided cover. 321 stainless steel can withstand very high temperatures. It has high strength, resists scaling, and provides phase stability with resistance to subsequent aqueous corrosion. 304 stainless steel can be sanitized. It can withstand corr.