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Can I use stainless steel cable ties on hot dip galvanised cable tray?

Bindu

There's a lot of literature about these 2 metals being in contact with possible galvanic corrosion. However I can't find any specific reference to the situation in my question.

Given the limited contact area of cable ties with a cable tray, should I be worried to accept stainless steel cable ties being used on HDG cable tray?

  • 0

    Only worry, I suggest, if you expect it to get wet. Certainly time to  failure will be measured in years and no worse than cable fixings of mild  steel band of the same thickness,
    Mike

  • 0 in reply to mapj1

    Hello Mike:

    Based on stainless steel wire used in my kitchen sink draining unit, there seems to be a wide range of Stainless Steels being sold.

    Some is very corrosion resistant and some is not.  

     I have seen the same thing with safety bars used in bathroom showers.

    Peter Brooks

    Palm Bay Florida 

  • 0 in reply to Peter Brooks

    The good cable ties are normally alloy 316 - which has molybdenum as the inhibitor and is actually pretty good, as well as being reasonable  to weld, tthough I agree there are some un-numbered stainless steels that barely qualify for the title.


    The part that will corrode if wet will be the zinc, where the stainless band and the tray meet, but even once the zinc has corroded through, to rust the tray to failure  will take years.

    Mike

  • 0

    Presumably you could use s/steel ties with a plastic sleeve or coating, so there'd be no direct metal-metal contact in normal service?

      - Andy.

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