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  1. KALEM09

    Trumpf or similar punching CNC machines producers

    We are evaluating a new business, therefore we will have to invest in a complete new machine, tooling included. True punch is better than laser for this application.
  2. KALEM09

    Trumpf or similar punching CNC machines producers

    For our future internal needs in the manufacturing shop I try to define a short list of producers of punching machines, having similar reliability as Trumpf. Any ideas, please ?
  3. KALEM09

    Interpretation of ASTM A380

    Antmann2005, your suggestion is not clear. Please be more explicit.
  4. KALEM09

    Interpretation of ASTM A380

    I look for suggestions in clarifying a corrosion issue related to some equipment components, made of superduplex S32760. We were required to perform the final cleaning of the steel according to the provisions of ASTM A380, acceptance test acc. to paragraph 7.3.4, using Ferroxyl solution test...
  5. KALEM09

    Twisted tubes for heat exchangers

    moltenmetal, I refer to Brown twisted tubes, see http://www.brownfintube.com/products/tt_brochure/Page2.asp
  6. KALEM09

    Twisted tubes heat exchangers

    I have nothing against buying from Brown, but they are not willing to supply the tubes only and since I am bidding for a repair work I look for other sources, possible other licensed producers. Thanks for suggesting Heseman. I will contact them. What about suppliers in Europe ?
  7. KALEM09

    Twisted tubes for heat exchangers

    I would appreciate your suggestions in finding suppliers of twisted tubes. I know that Brown Fintubes/Koch has the patent to produce them, but I've heard that there are are suppliers too, therefore they are no longer protected.
  8. KALEM09

    Twisted tubes heat exchangers

    I would appreciate your suggestions in finding suppliers of twisted tubes. I know that Brown Fintubes/Koch has the patent to produce them, but I've heard that there are are suppliers too, therefore they are no longer protected.

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