409 stainless steel is a ferritic stainless steel grade. It is a chromium – based alloy with a relatively low carbon content, typically containing around 10.5 – 11.75% chromium. Additionally, it often has titanium added to it for stabilization purposes, with the titanium content usually in the range of 6 times the carbon content up to 0.75%.
Automotive exhaust systems are the primary applications of 409 stainless steel. Components such as exhaust pipes, catalytic converter housings, mufflers, and tailpipes are commonly made from this material. Its resistance to the high – temperature and corrosive environment of exhaust gases makes it an ideal choice for these applications. Besides the automotive industry, 409 stainless steel is also used in agricultural equipment, where it needs to withstand outdoor conditions and potential chemical exposure during farming operations.
409 stainless steel offers good formability, allowing it to be easily shaped into various components required for automotive and other industrial applications. It can be cut, blanked, and formed without significant difficulty. In terms of corrosion resistance, it is resistant to the corrosive gases and moisture present in automotive exhaust systems. It can maintain its mechanical properties at elevated temperatures, making it suitable for applications where it will be exposed to the hot exhaust gases in automotive systems. The maximum continuous service temperature for 409 stainless steel is around 815 °C (1500 °F). At this temperature, it still retains a significant amount of its strength, which is crucial for the long – term performance of exhaust system components.
The data regarding the chemical composition, mechanical properties, and physical properties of 409 stainless steel are sourced from standard industry specifications such as ASTM A240 / A240M. These standards ensure that the material produced meets the required quality and performance criteria for its intended applications.
If you are interested in purchasing 409 stainless steel, please feel free to let us know.
We can provide you with high – quality products and professional services.
