scottyp74 Posted December 27, 2015 Share Posted December 27, 2015 I made a throw together forge to get started. Now I want to make solid steel top forge. I have a nice heavy duty steel work bench I'm going to use to make it. My question is what size do I make the fire pit it self? I don't work anything over 2" to 3" diameter stuff. How wide and deep does it need to be? Any thought or suggestions. Quote Link to comment Share on other sites More sharing options...
Glenn Posted December 27, 2015 Share Posted December 27, 2015 To go from 1/2 inch square to 1 inch square you have 4 times the volume to heat. To go from 1/2 inch square to 2 inch square you have 16 times the volume to heat. To go from 1/2 inch square to 3 inch square you have 36 times the volume to heat. 2 inch round stock is 11 pounds per foot, and 3 inch is 25 pounds per foot. Your fire and fuel will need to be adjusted to match the new volumes. 2 and 3 inch material will EAT fuel. Depending on whether you are heating the ends of the stock, or the middle of a piece of stock, and how long a heated section you need, will dictate the size and shape of the fire you want to build. Quote Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted December 27, 2015 Share Posted December 27, 2015 For that size stock look into an induction heater. At work I can take 1.25" round to yellow in around 15-20 seconds. 3" stock with solid fuel will take quite awhile , and need a big fire. Quote Link to comment Share on other sites More sharing options...
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