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welding parts with increased difference in thicknesses

welding parts with increased difference in thicknesses

welding parts with increased difference in thicknesses

(OP)
Originally, we were GTAW-welding two tubes together, 4130 steel: .750 x .049 and 1.00x .049.(within a truss structure).  Now the latter one is almost twice as thick: 1.00 x .083. Should we expect any problems? In fact, if no problems, I need some facts to submit to a cerification body, showing that there are no structural problems to be expected, after thickness has increased. Are there any sources that can be recommended, to substantiate that?

RE: welding parts with increased difference in thicknesses

Please refer to Thread725-63762 since there is already a similar discussion going on about this matter.

Wanna Tip? FAQ731-376
"Probable impossibilities are to be preferred to improbable possibilities."

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