Use of Products: SWRCH15A is a commom steel which is mainly used to produce fasteners and profiled parts of class 4.8-6.8 and weld-nail. The product has characteristics of uniform-chemicalcomposition, low percentage of harmful elements, high purity, good surface quality. It usually can be used directly for cold heading without heat treatment process.The steel grade gains the gold-cup of the metallurgical product actual quality in 2007.