Flexible Metal Hose Assembly Hose Inside Dia 1 1/2 in Hose Length 18 in Hose Tube Material 321 Stainless Steel Hose Cover Material 304 Stainless Steel Max Working Pressure @ 70 F 531 psi Temp Range 32 Degrees to 850 Degrees F Dynamic Min Bend Radius (In.) 11 in Hose Fitting A Material Carbon Steel Hose Fitting B Material Malleable Iron Hose Fitting A Type MNPT Hose Fitting B Type FNPT Hose Fitting A Size 1 1/2 in Hose Fitting B Size 1 1/2 in