Use of Products: SWRCH10A is a common steel which is mostly used to produce fasteners and profiled parts of class 4.8-6.8. The product has characteristics of uniform-chemicalcomposition, low percentage of harmful elements, high purity, good surface quality, tight tolerance, good cold forming performence. It can be used directly without heat treatment process.The steel grade gains the gold-cup of the metallurgical product actual quality in 2007.