Cold rolled C67 C75 steel plate steel sheet China Manufacturer

Narrow cold rolled steel strip China Manufacturer

Black painted high carbon c67 c70 c75 steel strip China ManufacturerGuangWeiYouLiang's Black painted high carbon steel strip is processed by annealed and cold rolled high carbon steel strip Size: thickness 0.5-0.6mm,  material grade ck75 ck67 ck55 ck50, typically used for auto speaker, speaker's external cover

Material grade: c45 c50 c55 c60 c67 c70 c75 c80 c85 c90 420J 50CrV4 60Si2Mn.

Width: 4mm-320mm   tolerance+/-0.05mm

thickness: 0.08mm-4.2mm  tolerance +/-0.01mm  

Coil weight, external/internal diameter, packing method, can be customized.