cold rolled steel strip 1. BLACK ANNEALED STEEL STRIP 2. BRIGHT STEEL STRIP MATERIAL: Q195 THE WIDTH: 25MM-550MM cold rolled steel strip&cold steel ... , automobile clutch,clockwork spring, band saw, darby, deep draw, barrette, chemicalindustrial mechanism, textile, standard parts and blade3) ... , stability, useful material coefficient and surface smoothness4) Various steel grades: (0.7-2.0) x (30-450 ...