30MnVS6 produced by XINGTAI STEEL has the feature of stable chemical composition and mechanical property, minor decarburization, good surface quality, homogeneous microscopic structure. Not only the grade cost-saving for quenched and save heat treatment process, also avoid the deformation of products caused by heat treatment. 30MnVS6 is a kind of Non-quenching steel for grade 8.8-9.8 fasteners，There are few enterprises in this kind of steel . A customer of XINGTAI STEEL uses the steel production ball rod, which is applied to the well-known automobile brand steering system, and the control of various indicators is stable, which can meet the requirements completely.