In reply to Axil Axil's message of Sat, 11 May 2019 00:00:13 -0400: Hi, [snip] >Fe-Si is used to produce cast iron as a purifying agent. Fe-Si is used to >remove carbon from the cast iron melt. If the Fe-Si were contaminated with >high levels of carbon, then the carbon would render the cast iron out of >spec.The final product produced by the customer of the smelter would be >steel.
The carbon isn't in the form of elemental carbon, it's in the form of CO. Regards, Robin van Spaandonk local asymmetry = temporary success

