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  • Scrap steel grades and confusion

    Hi all,

    I have been an observer for awhile mainly using the search function to find all the info I need.

    I am fairly new to the world of scrapping, I work in the I.T field and found it irritating how much ewaste and metal was being thrown out by my old workplaces, so I found Bens youtube channel and also this forum, hoping it gets busier!

    But anyway, a newbie question I have is how to grade the steel that's accumulated via scrapping? I hear terms like light gauge, pressing steel, dirty pressing steel, mixed pressing steel, HMS and I'm guessing all scrap yards also have differing definitions of what actually constitutes these grades of scrap steel?

    Lets say I scrap an old receiver with only a low grade board, I remove the extruded aluminium, transformers/coils and any IC chips, throw any visible plastic in the bin including the front, throw the screws back in the receiver, now what sort of scrap does what remains of the receiver end up becoming considering there is still a fiberglass board inside and possibly some small plastic I missed, by weight probably 95% steel?

    Same with other appliance carcasses, what if it was too difficult to remove all the plastic connected to the steel, at what percentage does pressing steel become dirty pressing steel?

    Also, if it helps with scrap yard definitions, I'm based in the northern suburbs of Melbourne.

    Cheers,


  • #2
    Hi SD,
    It is confusing, especially watching YouTube clips where just about everyone uses a different yard and gets used to how their yard grades things!
    The best bet is to take a sample to where you are going to sell it and ask them directly!
    Most yards seem to be quite happy to take all sorts of junk as dirty pressing - 95% steel would be very clean by most standards. I think most yards don't even offer a "clean" pressing steel price anymore - so they all expect some degree of contamination.
    HMS is anything thicker than about 6mm (by my understanding) - and they usually offer a better "insize" price for smaller stuff (less than a metre long). You are unlikely to get much of this from ewaste... but anyone dabbling more seriously in scrap steel, such as shed clean-outs, farm stuff and industrial waste can end up with some good value. Of course, this is usually outside the realms of hobby scrappers..
    Cheers,
    Chris

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    • #3
      Cheers Chris,

      Thought I was going to be left hanging, this forum needs to wake up!
      Guess ill just call the scrap yards before I leave with a large load and see how I go.

      Comment


      • #4
        The forum has been in a coma for some time mate! I tried to wake it up awhile back, but got too busy with other stuff to persist!
        Yep - check with the yards 👍

        Comment


        • #5
          Originally posted by Chris View Post
          The forum has been in a coma for some time mate! I tried to wake it up awhile back, but got too busy with other stuff to persist!
          Yep - check with the yards 👍
          right now I am the only member but there are 64 "guests" other times there were many more guests. Why doesn't Ben make everyone become a member before they can browse. Many will just leave but many may start contributing. I did sever posts over the last few months and I can still see my ugly face as the last poster.

          Last time Ben was online here was last July. That was half a year ago.
          Most of the time I am scrapper Dan but at yardsales I am dollar Dan

          Comment


          • #6
            I think most if not all of those "guests" are bots Dan - ie. not actually real people!
            I'm not sure why Ben doesn't pop in more often here 🤔

            Comment


            • #7
              Originally posted by Chris View Post
              I think most if not all of those "guests" are bots Dan - ie. not actually real people!
              I'm not sure why Ben doesn't pop in more often here 🤔
              What would a bot be doing here in such a quantity? It is not like they can harvest any personal info. Now been 8 months since Ben has visited. Guess he has given up on the site.
              Most of the time I am scrapper Dan but at yardsales I am dollar Dan

              Comment

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