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Thread: How long would it take a billion tons of wood to melt a 5 pound block of steel?

  1. #1 How long would it take a billion tons of wood to melt a 5 pound block of steel? 
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    Random question, but I'm in an argument and I need someone to phrase things better than I can.


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    Cooking Something Good MacGyver1968's Avatar
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    Are you talking about just an open air fire...or in some sort of blast furnace? An open air wood fire would never get hot enough to liquify steel...and why a billion tons? More wood does not equal higher temperatures. It would also depend on the shape of the steel...a 5 pound cube of steel would take longer to melt than a paper-thin sheet of steel.

    You need to provide more data to get an answer....what are y'all debating about?


    Last edited by MacGyver1968; October 24th, 2012 at 03:47 PM.
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    Quote Originally Posted by MacGyver1968 View Post
    Are you talking about just an open air fire...or in some sort of blast furnace? An open air wood fire would never get hot enough to liquify steel...and why a billion tons? More wood does not equal higher temperatures. It would also depend on the shape of the steel...a 5 pound cube of steel would take longer to melt than a paper-thin sheet of steel.

    You need to provide more data to get an answer....what are y'all debating about?
    Basically he is saying that because wood on the heat of combustion table has a value of 21.7 that 3 times as much of it would do the same job as acetylene which has a value of 48.241.

    We are just debating the basic physics of melting steel.

    He is also saying that things like kerosene,coal, wood has no maximum flame temperature in an open air environment.
    And that if steel gets to 1800 degrees F it will continue to heat up due to exothermic oxidation and become pools of iron.

    and a cube of steel, not a sheet.
    Last edited by rbo7; October 24th, 2012 at 04:45 PM.
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    Cooking Something Good MacGyver1968's Avatar
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    Well...your friend is an idiot. More fuel does not necessarily equal more heat. I'll let the chemists of the board explain it more detail. Also, if what he said was true about heating steel to 1800f and it will continue to heat up...then 19th century blacksmiths could have made cast iron...instead of having to hammering it out.
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    Forum Bachelors Degree Kerling's Avatar
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    Quote Originally Posted by MacGyver1968 View Post
    Well...your friend is an idiot. More fuel does not necessarily equal more heat. I'll let the chemists of the board explain it more detail. Also, if what he said was true about heating steel to 1800f and it will continue to heat up...then 19th century blacksmiths could have made cast iron...instead of having to hammering it out.
    Actually cast Iron has been around for centuries. Millenia even. So have high furnances etc. You can let wood burn at incredibally high temperatures. Provided you do it well enough. Wikipedia is your friend.
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