Lathe bed welding casting

I started coelcting metal filings. I opened theme on main steel forum in our country. They sai it tont mater with wich type i weld. But guy in work told me electrode is the strongest weld. We wills e. Tehy mentioned st37 material. BUt i dont knwo i weld it weeklyit is ****. Or this material from this company is realy bad material i dont know.

have a ncie day.
 
You want a welding rod that is similar to your plate. You don't need or want it super strong when you are using normal steel.

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I am loking into buyint MMa weding machine. I dont know what ahpened, but **** got exspencive for 100% more as 1 or 2 years back.
I am thiking to buy 200 to 300a welder mig or stick. So i can run 150aps 100% i need 4mm electrode to get to 10mm alone,.. i dont knwo if i will go to 15 mm for this one i need 5mm probably and i need biger welding machine. I am thinking to buy igbt mig 250 aps. But if i udenrstnad corectly mig dotn weld so goodon thiker plates. I dotn have eny test done to know this. When i weld biger thikneses i raise amperage so it is not soudn of baking you know it s stil but not 100 % baking sound,.. becose i think you need to weld melt emtal a litel not yust stick wire to the pice of metal. What is scientific right i dotn know.
 
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