... GB SIMMIC STEEL - 2013 SIMMIC Stainless Steel Pipe1. Stainless Steel Pipe Supply Ability 20,000 Metric Tons annually2. Stainless Steel Pipe Grade ... / Hairline(Matt Finish, Brush, Dull Finish)400G, 600G Mirror finishApplicationHandrail, mesh screen, door, window, balcony, fence, ... 400G Satin / Hairline400G, 500G, 600G or 800G Mirror finishTest PassedSquash test, extended test, water pressure test, ...