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...
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...