Low temp aluminum flux core wire

[JoeCB]

Thanks guys , good info on the flux / solder and weld flux. I have played with torch welding aluminum, pretty tricky for sure but that is the way it...

[JoeCB]

I was rummaging on e-bay and saw this alum "welding" rod. I bought a pack of 20. ….

I have been playing with it and it is different...

[JoeCB]

Short answer … the mandrel is cold, ie. not at weld temperature. Forge weld temperature is a pretty narrow range. Too hot you burn the steel, too cold...

[JoeCB]

OK , got it … Thanks Dan

Joe B...

[JoeCB]

Anybody know what the SAAMI spec is for the diameter of the large rifle primer pocket. All the SAAMI cartridge drawings show all case dimensions except...