sus409L不锈钢409L低碳钢板 冷轧不锈钢
409 is a minimum chromium content in stainless steel, the most widely used in automobile exhaust system, it has low carbon and titanium stability can improve the weldability. Ferritic stainless steel after welding can reproduce a relatively large grain size, it has an adverse effect on the organization performance (409 catalytic converter process of laser welding is low heat input, won’t produce big grain). The impact and toughness at low temperature is relatively low, restricted the application of ferrite in the structure. Usually heat treatment cases toughness decrease when increase in chromium content. Molybdenum can improve the ductility, instead of carbon has a tendency to reduce the ductility. As a result, most used in ferritic stainless steel all like cars, accessories, luggage cart plaque such unstructured application, they need good corrosion resistance and brightness and high polishing surface.
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产品名称：sus409L不锈钢409L低碳钢板 冷轧不锈钢
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