– Carbon (C): 0.15% maximum
– Silicon (Si): 1.00% maximum
– Manganese (Mn): 2.00% maximum
– Phosphorus (P): 0.20% maximum
– Sulfur (S): 0.15% minimum
– Chromium (Cr): 17.00-19.00%
– Nickel (Ni): 8.00-10.00%
The mechanical properties of 303S21 steel include:
– Tensile Strength: 500-750 MPa
– Yield Strength: 190-450 MPa
– Elongation: 35-55%
– Hardness: 262-342 HB
The corrosion resistance of 303S21 steel is also an important technical property. This type of steel is known for its good resistance to atmospheric corrosion, as well as mild chemical environments. However, it is not recommended for use in harsh corrosive environments such as those containing acids or chlorides.
Overall, the combination of its chemical composition and mechanical properties makes 303S21 steel suitable for applications requiring good corrosion resistance and moderate strength. However, it is important to consider the specific environmental conditions in which it will be used to ensure its performance and longevity.
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