– Carbon: 0.08% max
– Chromium: 11.5-13.5%
– Manganese: 1.0% max
– Phosphorus: 0.040% max
– Sulfur: 0.030% max
– Silicon: 1.0% max
The relatively low carbon content of 410S21 makes it more weldable than standard 410 stainless steel. However, it still requires preheating and post-weld annealing to reduce the risk of cracking and ensure good mechanical properties.
410S21 offers good corrosion resistance in mild atmospheric and mildly corrosive environments. Its resistance to corrosion can be improved by surface treatment or adding other alloying elements.
As with any steel, understanding the specific welding and corrosion resistance properties of 410S21 is important for ensuring its proper use in various applications. Testing and evaluation should be conducted to determine the exact performance of 410S21 in specific environments and conditions.
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