... available ; 3. apply to stainless steel ,aluminum ,etc bending machine letter SW-1550,Apply to stainless steel ,aluminum ,iron ... 10~40m/min11. materials :stainless steel ,aluminum extrusion ,galvanized sheet,aluminum sheet ,iron plate ,etc .12. Applicable Industries: advertising industry, ... with hard alloy ,not only for iron sheet and aluminum sheet ,but also for the stainless and aluminum extrusion ...