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What is the chemical composition of SUS 304

The core chemical components of SUS 304 stainless steel are chromium (Cr: 18% -20%) and nickel (Ni: 8% -10.5%), which form the basis of its corrosion resistance and austenite stability.

The secondary elements include carbon (C ≤ 0.08%), silicon (Si ≤ 1.0%), manganese (Mn ≤ 2.0%), phosphorus (P ≤ 0.045%), and sulfur (S ≤ 0.03%), which together ensure the mechanical properties of the SUS 304 material.

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