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Politics : PRESIDENT GEORGE W. BUSH -- Ignore unavailable to you. Want to Upgrade?

To: DMaA who wrote (237318)	3/13/2002 12:04:49 PM
From: TigerPaw	Read Replies (1) \| Respond to of 769670

can you control the quality of the final product if you melt grad A, grade B, and grade C scrap in unknown quantities Yes, you melt it down to iron and begin the alloy from scratch. Other metals that may be mixed, chromium, vandalim, nickle, antimony, and others either melt out at different temperatures or are oxidised by the "blast" of oxygen and form scum on the top that is skimmed off. In an integrated mill, you have the advantage of using pure ingredients LOL, Iron ore is rusty dirt. It's about as far from pure as you can get. TP