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Mike, You are correct that the real safety factor has not changed and we have 25+ years of product in the field with no structural issues at all so we are not in fear of something falling to the ground. The issue is more of a marketing one where we have said for years that our safety factor was...

WagEng, We have thought about heat treating after welding, but that would be a major capital expense to install a furnace large enough to handle weldments that are up to 30' long. Currently we are doing our own testing to determine as-welded strength of our weld joints which are not identical...

metengr and unclesyd, Thanks for the info. I had thought about the corrosion and strength issues and will research what effect that will have on our application as it is a structural application. I did find in the Alum Design Manual put out by the Alum Association that 7005 could be welded to...

Can anyone tell me if 7005 is compatible for welding to 6061? If so, what filler alloy and process? Thanks, dirtft

Just received the 2005 Aluminum Association Design Manual and there has been a major change to the listed as-welded yield strengths for just about all the weldable AL alloys. The explanation we received from the Alum Assoc was that they changed the test sample gage length from 10" to 2" so the...

Bama01, What exactly are you trying to do with the AL and SST? I am also looking to bond these two materials together so would be interested in what all you tried, what the winning adhesive was, and what the winning parameters were. Thanks, Jeff

I am looking at Parmax SRP as a possible replacement material for Nylatron NSM slide pads. The application is for slide blocks between ladder sections on aluminum ladders. The slide area is open to the environment and we normally lubricate with white lithium grease. Max pressure would be...