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what is composition for cast iron as per is 120 grade 25

Answer Posted / Sanoj Kumar

The exact composition of cast iron can vary depending on the specific standard being followed. However, according to ASTM A48 (American Society for Testing and Materials), Grade 25 cast iron has the following minimum chemical composition: Carbon (C) - 3.0%, Silicon (Si) - 1.7%, Manganese (Mn) - 0.6%, Sulfur (S) - 0.4%, and Phosphorus (P) - 0.04%.

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