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1)EXTRA HIGH CARBON FERRO CHROME POWDER: Cr: 65 – 70% Min C: 9.00 % Min Si: 0.50 % Max P: 0.03 % Max S: 0.02 % Max Grain Size < 0.25mm 2) LOW CARBON FERRO CHROME POWDER: Cr: 70% Min Si: 1.0 % Max C: 0.05 % Max P: 0.03 % Max S: 0.02 % Max