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I HAVE TO BUTT WELD AN ELECTROLITIC COPPER BAR. IT HAS 15 MM IN THICKNESS AND 150 MM WIDE. I NEED THE SAME TENSILE STRENGTH AND ELECTRIC CONDUCTIVITY THAN THE BASE METAL. I THOUGHT IN USE SMAW, GTAW OR BRAZING PROCESS. DO ANYBODY HAVE A SUGGESTION OR EXPERIENCE IN THE PROCEDURE SETTING AND ALL...

This is an hydrogen crack problem. I'm agree with the above opinions. After weld, keeping the preheat temperature, you should perform a soacking heat treatment at 300ºC per 8 hs. By very careful with the cooling rate, no more than 40ºC/h. The NDT shall be performed 72 hs after cooling down. MT +...

I HAVE TO BUT WELD A 50 MM THICKNESS DIN Tste 355 PLATE. THE PIECE IS TOO LARGE TO PERFORM A PWHT IN A FURNACE. IN ORDER TO DO NOT PERFORM LOCAL PWHT I MADE SOME WELDING AND DESTRUCTIVE TEST (CHARPY, BENDING AND TENSION) WITH GREAT RESULTS. MY QUESTION IS: IS THERE ANY REASON TO BY WORRY ABOUT...