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difference between extruded aluminum and sheet aluminum - Page 2

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  1. #21
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    Quote Originally Posted by Patriot76 View Post
    If you cannot see the seam inside the tube where it is mended together, it should be considered extrusion. Sometimes you cannot see the mill lines on the outside of aluminum which identifies extrusion without the aid of a magnifying glass. If you share this with the yard they should appreciate your knowledge and might be acceptable to other questionable metal. It really helps when you have a sample of each to demonstrate your keen eye. At least they will be less likely to play games with you.
    I did just that. Even showed the scale guy that it broke while sheet bends. But they are good to me 99 percent of the time and these days I rarely scrap crutches or walkers so I am not too worried about it.



    It's my personal policy to not argue with the small scale guy. If I had a whole load of something and was having an issue I would just go over his head or just take the material somewhere else.

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  3. #22
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    I contacted the national scrap metal assoc...this is their reply:

    .......however, your complaint was followed up and discussions took place yesterday with the Branch Manager at Reclam Phoenix as well as the Divisional Manager in KZN who advised that the product sold to them was not extruded but “sawed” into its form. Therefore, Reclam purchases it as “hard sheet” which, in turn, is sold on as “hard sheet”.

    It has been pointed out that if you are not satisfied with the price offered by Reclam Phoenix, you should seek an alternative purchaser based on the 'Willing-Buyer-Willing-Seller' principle.

  4. #23
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    Quote Originally Posted by msmoorad View Post
    I contacted the national scrap metal assoc...this is their reply:

    .......however, your complaint was followed up and discussions took place yesterday with the Branch Manager at Reclam Phoenix as well as the Divisional Manager in KZN who advised that the product sold to them was not extruded but “sawed” into its form. Therefore, Reclam purchases it as “hard sheet” which, in turn, is sold on as “hard sheet”.

    It has been pointed out that if you are not satisfied with the price offered by Reclam Phoenix, you should seek an alternative purchaser based on the 'Willing-Buyer-Willing-Seller' principle.
    Interesting.
    Give back more to this world than we take.

  5. #24
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    I would hazard a guess that extruded is one composition of metal, sheet is basically random and different. They are probably buying extruded based on that composition, as far as the mill is concerned. Theoretically, you could probably push average aluminum through an extractor and it still be base aluminum, not the chemical composition needed for true extrusion. An XRF gun and some research could probably answer this more definitively.

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