The stress state of wire drawing is the three-direction principal stress state of two-direction compressive stress and tensile stress, which is easier to reach the plastic deformation state than the principal stress state of three-direction compressive stress. The deformation state of the drawing is a three-direction main deformation state of two-direction compression deformation and tensile deformation, which is disadvantageous to the plasticity of the metal material, and is prone to produce and expose the surface defects.
Wire drawing process of the road deformation is limited by its safety factor, the smaller the amount of pass deformation drawing more, so the production of metal wire often used in multi-pass continuous high-speed drawing.
Generally in accordance with austenitic, ferritic, two-way stainless steel and martensitic stainless steel, mainly divided into 2 Series, 3 Series, 4 Series, 5 Series and 6 Series stainless steel.
316 and 317 stainless steel (see the performance of 317 stainless steel) is a kind of molybdenum stainless steel. 317 stainless steel in the molybdenum content slightly higher in the 316 stainless steel due to the molybdenum steel, the steel overall performance is better than 310 and 304 stainless steel, high temperature conditions, when the concentration of sulfuric acid below 15% and above 85%, 316 Stainless steel has a wide range of uses. 316 stainless steel also has a good resistance to chloride erosion performance, it is usually used in marine environments. 316L stainless steel has a maximum carbon content of 0.03, can be used for welding can not be annealed and the need for maximum corrosion resistance applications.