... .Finish:bright,hard,soft Factory best price Stainless steel spring wire1.Material:Carbon Steel Spring Wire2.Grade:201,202,304,316 etc3 ... widely used for rolling various precision springs.8.Feture:Stainless steel wire has a good ductility, high tensile strength and last long ... resistance, uniform diameter, smooth surface, bright color, ect. Low Price Flat Stainless Steel Bright Spring Wire Manufacture