AISI 304 stainless steel railing 1.Grade:304 2.OD:9.53mm-254mm Tk:0.3-3.0mm ... 320G Satin / Hairline400G, 600G Mirror finishApplicationhandrail,railing, staircase, weldmesh screen,door,window, balcony,fence,bench,furniture,etcTestSquash test, extended test, water ... test, crystal rot test, heat treatment, NDT Chemical Composition of Material MaterialComposition201202304316L430C≤0.15≤0.15≤0.08≤0.035 ...