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Butt and Lap Welded Pipe Conduit
lron Ore Transportation and Handling
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ABC OF IRON acid alloy ammonia amount annealing bath bessemer bessemer converter billet blast furnace blow bottom brick carbon cent charge checker chemical chromium coal coils coke oven converter cooling corrosion crane diameter electric equipment feet ﬁnal ﬁnishing ﬁrst ﬂat forging fuel gage grades gray iron hearth heat hot metal inches increased industry ingot IRON AND STEEL iron oxide ladle Lake Superior load machine magnesite manganese material melting Mesabi Mesabi range million tons modern mold molten motor nace open-hearth furnace operation passes phosphorus pickling pig iron pipe plants plate practice production rail reduced reﬁning refractory reheating removed rolls scrap shapes shear sheets side silica silicon slab slag speed stainless steels stand steel castings strip sulphur surface taconite tank temperature thickness three-high tion tube two-high unit usually welding wire wrought iron