8/12/2023 0 Comments Flux welder tips![]() It even works decent on thin sheet metal or exhaust tubing. For small 115v mig welders like the one I am using in this video. Its hard to believe they can put flux inside. Bottom line is nr-211-mp runs pretty darn good if your settings are close. I think the MP in nr211-mp stands for "multi pass" as not all self shielded flux core wires are designed for multiple pass welds. It looked like it would be a very strong weld but it "folded like a cheap umbrella" 030" (0.8mm) Lincoln nr211-mp wire ( which is in the e71t-11 classification). 1/4" ( 6mm) thick metal outside corner using. Not without expensive non destructive testing equipment.īut you definitely can get some idea by welding some test joints or a mock up joint of what you are about to weld.and either with hammer and vise or hydraulic press, bend, break, or mutilate the welds and examine them.Īnd worth the effort because you always learn something.Ī good example is the first weld I made. How do you know the welds are good when you are using a small welder like this?Īnd you cant know 100 percent. That got me to thinking ( which is sometimes expensive and dangerous ). I will be putting together another bumper kit soon using a 115 volt mig welder. ![]() Since, this welder didnt pass the test, I figure it was a good choice to use for this video.įor the project with outside corners, I am welding some pieces that were left over from a bumper kit I built a while back and all the welds are on outside corner joints. So all 115v mig welders are not created equal. Incidentally, I also tested another really inexpensive 115v mig welder along side it that welded at least 24 inches at max voltage and set at same wire speed without coming up for air. ![]() 030" (.8mm) wire, the overtemp light came on and I had to wait several minutes before welding. It welded ok, but after 6 inches at max voltage and wire speed set to around 280 ipm with. ![]()
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