How to polish raw stainless steel?
There are different ways to polish raw stainless steel to the mirror surface, but all these ways require three stages, including rough abrasive grinding stage, polishing stage and buffing stage. Here we have listed a way to polish raw stainless steel to the mirror surface step by step using a bench grinder.
#1—Rough abrasive grinding stage-polish raw stainless steel
Start with a grit 80# abrasive flap wheel, grind and sand the item. Change grit 80# flap wheel to a grit 120# wheel until the sand hole on the surface of the item are only the size of a needle tip. Then using grit 240#, 320# and lastly 400# wheels. Each finer polishing step should be cross-polished 90 degrees from the previous process, and make sure every line from the previous operation has been taken out before you continue to the next step.