Cold-rolled 65 mn spring steel band let customers unlimited repurchase of steel belt

Cold-rolled mn spring steel belt is more widely used in many steel belt, its performance and stability are good. Cold-rolled mn steel belt is made of steel strip after cold treatment and a steel band, whether it's mechanical properties, dimension stability, solvent resistance and chemical stability were very stable, it is also has a feature of cold treatment steel belt. Cold-rolled mn spring steel belt also have qualitative light, strong, elastic, chemical corrosion resistance, easy processing and forming characteristics, which is not possessed by other materials. But for specific polymer, its performance still cannot fully meet the requirements of people on it, so you need to use physical or chemical methods to improve the performance of the polymer, known as the polymer modified this is the current important direction in the study of polymer materials. Cold rolled mn spring steel with role in practical application is relatively stable, this also is many customers the most important reason to prefer it, because is used, so I want to use for a long time. A: buy a ton of bluing in shandong steel belt. 。 。 A: why cold rolling with the drum?