... Character:Free-cutting,Eco-friendly Dia.:1-25MM Material:1215MS SGS Certificate 1)1215MS,1215,Sum23,12L14,Sum24L2)Cold drawn,hot rolled3 ... Industrial machinery, Precision parts, Bicycle, Motorcycle, Automobile, Tool, Household, Electronic, OA machine, Spring, Furniture and Construction, etc Chemical Composition(WT%)C:Max ... .33-0.26 1215MS,Eco-friendly Steel ,Free-cutting Steel,SGS Certificate,