Low Cost Cold Rolled Steel Coil 1.light steel 2.long life span coil 3.cold rolled steel coil corrugatedLow Cost Cold Rolled Steel ... panels are featured with easy installation, high strength, more economic , (low lost ). They are widely use as the wall or roof ... .5mm2.Width: 10~450mm3. Surface: 2B/BA4. Finishing: Bright & annealed, in soft condition. HV is around 170 5. ID: 250MM, 300MM ...