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  • What is this material???

    Discussion in 'Sheet metal' started by GarethW, Jan 17, 2010.

    1. GarethW

      GarethW Chief Clicker Staff Member

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      I came across a Dell PC that’s designed for 19" rack mounting (pictures below).

      I really like the material they’ve used. The appearance is excellent, it doesn’t pick up fingerprints and most importantly it is electrically conductive!

      Does anyone know what material is?

      [​IMG]

      [​IMG]

      [​IMG]
       
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    3. mvalenti

      mvalenti Well-Known Member

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    4. GarethW

      GarethW Chief Clicker Staff Member

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      I'm not sure... will have to dig out a magnet from the back of my drawer. I'm pretty sure it's a mild steel with a surface treatment, but I'm not sure what.

      It probably has a trade name that everyone knows! I'm on the verge of putting the thing in the car and driving around sheet metal companies until I get an answer!
       
    5. GarethW

      GarethW Chief Clicker Staff Member

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      Yes!

      A supplier has told me it's almost certainly a stainless steel 304 refered to as "DP1/PC1", where "DP" means "dull polished". This type of material comes with a removable plastic coating so that scratches/damage can be avoided during production.

      Apprarently this material is £80 for a 2’ by 1’ sheet :shock: . Therefore I can't imagine that this is correct because there's no way Dell would use such an expensive material for a product like this.
       
    6. mvalenti

      mvalenti Well-Known Member

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      Wow interesting... I bet they are getting it cheap... china or probably india.... I was thinking it was a stainless similar to that which is used on the anti fingerprint refrigerators.
       
    7. ConnectUTS

      ConnectUTS Active Member

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      Garth:

      I your material supplier wants £80 for a 2’ by 1’ sheet 304 DP you had better get another supplier.
      Arguably the worlds largest hardware store - McMaster-Carr sells this stuff as 304 #3 brushed surface for $95.00 US for a 48 x 36" sheet of 0.024" thick. McMaster-Carr has just about any thing you want but and premium prices. If you got it at the quantities that Dell purchases, I would estimate that there are getting it for about 1/3 that price in not better, especially if they use the Chinese equivalent.

      Niel
       
    8. zparvez

      zparvez New Member

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      If it is magnetic - it could be brushed pre-plated steel. I have noticed that pre-plated steel does not pick up finger prints very easily - unless you have greasy fingers! :D
       
    9. mvalenti

      mvalenti Well-Known Member

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      Being of Italian decent, its more like olive oil rather than grease...
       
    10. LinkedIn Gopher

      LinkedIn Gopher Little furry chap

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      At a glance it looks like brushed SS to me. It is all in economy of scale. you buy one sheet from an overpriced retailer or you buy bulk from the wholesaler or better yet, the sheet producer. Dell's got the volume to go to the manufacturer for the lowest price.
       
    11. LinkedIn Gopher

      LinkedIn Gopher Little furry chap

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      Almost looks like aluminized cold steel
       

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