... strips polished black widely used for Industry Area Steel rolled strip raw materialWidely used for measuring tape, ... building tool, automobile clutch friction plate, band saws65Manganese grade materialThickness: 0.08-5. ... 0mmWidth: 10-350mmHardness: 46-48HRVSlit, annealed, polished, temper, oiled craftsEdge: trimmed edge, round edgeColor: white, blue, yellow,Widely used ...