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| Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work. |
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Made this welding table from 2" plate
On 5/1/2017 9:46 PM, Ignoramus445 wrote:
On 2017-05-01, wrote: On Sunday, April 30, 2017 at 11:17:24 PM UTC-4, wrote: Table weighs over 2 tons. Imagine if it had a cement table-top. Many years ago a company where I worked made some 4 by 8 feet concrete table tops. We picked some smooth places on the concrete floor and put down Visqueen so the fresh concrete would not bond to the floor. Formed up the mold and put in rebar. The tables worked well. No warping. Probably would not work well for a welding table. Cement can spall due to high heat and that is a hazard. i Portland cement that is. a.k.a. "normal cement". Refractory Cement I used is a Non-water based cement. It starts with water and chemically reacts, gets hot and boils most off. It is a Hard and flame / furnace good to 3800 degrees F. I use a forced air (no fan) but Venturi torch with propane to drive the furnace. It is heavier than the water borne Portland mix. Martin |
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