Cold Rolled Steel

Pickling is treatment of metallic surfaces to remove impurities, stains, rust or scale with a solution called pickling liquor, containing strong mineral acids, before subsequent processing, such as extrusion, rolling, painting, galvanizing or plating with zinc,aluminum,etc..

Features: 1. Good surface; 2. High precision

Standard:

2、Rolled hard steel coil：Roll the hot rolled acid pickled steel coil under usual temperature. Features of parts：As this kind of steel hasn’t been annealed ,the hardness is pretty high and difficult to proceed mechanic processing. Only the deformation less than 90 degree is practical (vertical to coiling direction).
Application Scale ：
（1）Processed into common cold rolled steel after annealing
（2）Zinc galvanizing is conducted prior to annealing.
（3）Steel plate which doesn’t need any processing .
Frequently used designation
CDCM – SPCC （SPCD、SPCE、ST12、ST13、ST14、BLC、BLD、BUSD、BUFD、 BSUFD等）， CDCM – SPCC （SPCD、SPCE、ST12、ST13、ST14、BLC、BLD、BUSD、BUFD、BSUFD and so on.Steel of those designation share similar properties.