... 4)Pressure:SCH5S-SCH160Elbow Product Name45 / 90 / 180 , Long / Short Radius Elbows, Equal / Reducing Crosses, Concentric / Eccentric Reducers, Caps, Stub EndsSize ... , Water pressure test, Crystal rot test, Heat treatment, NDTChemical Composition of MaterialComposition Material201202304316431C≤0.15≤0.15≤0.08≤0.08 ...