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  • Users: ras85
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  1. ras85

    request for SEW410 standard

    hi friends is there anyone who knows where i can find SEW410 standard? as its an old standard i couldn't find any thing via search. also it is in german or english?
  2. ras85

    shrinkage allowance of high cr cast iron

    thanks
  3. ras85

    shrinkage allowance of high cr cast iron

    dear frinds im searching about shrinkage allowance of high cr cast iron. i just found the range of shrinkage allowance of 18-21 mm/m in cast iron handbook. please let me know how i can find more details about shrinkage allowance of high cr cast iron?
  4. ras85

    question about steel designation

    thanks!
  5. ras85

    question about steel designation

    hi friends in a pump data sheet, there is a material with X39CrMo17-1 HV500+80 designation, is there anyone who knows what 80 is stand for?
  6. ras85

    blister polyurethane painting

    thanks friends, is there any experience that how much time after applying, blister of painting happens? it depends on painting thickness?
  7. ras85

    blister polyurethane painting

    t my company, there was a pump with epoxy painting, because of painting low quality, pump was painted with polyurethane painting, but after just 20 days the painting blisters. It seems there are different reasons such as, not prepare surface properly, or three layer painting should be applied(i...
  8. ras85

    material selection in sulfuric acid

    thanks, its so helpful!
  9. ras85

    material selection in sulfuric acid

    i need to select material for pump shaft in sulfuric acid at 98% concentration and 120 C. i would like to know any one has experience on chrome plating coating on this application or maybe kindly suggest another solution.
  10. ras85

    coating thickness

    actually i don't have any experience of coating application. i mean how i can achieve the correct film thickness? there are some parameters like diameter nozzle, spray pressure and .... is there any table that specify these parameters for different film thickness?
  11. ras85

    coating thickness

    yes but how i can get this thickness for each layer? http://eng-tips.com/viewthread.cfm?qid=339403
  12. ras85

    coating thickness

    sorry again! i choose three layer epoxy coating, primer coat: polyamine primer containing zinc dust, thickness: 75 μm intermediate coating: polyamine, thickness: 100 μm topcoat: polyamine cured (high built epoxy), thickness: 100 μm
  13. ras85

    coating thickness

    sorry! its 100 μm thickness, the pump casing is grey cast iron.
  14. ras85

    coating thickness

    please let me know how i can achieve the desired coating thickness? i need to coating a pump casing with a 100 micro thickness.
  15. ras85

    Info on H-30 hard iron material

    hi friends is there any one that has information about H-30 hard iron material, like standard and chemical composition?
  16. ras85

    hi friends my company needs port

    thanks all friends please also let me have your opinion about arun and belec portable spectrometer?
  17. ras85

    hi friends my company needs port

    hi friends my company needs portable spectrometer for grade identification of different alloys on site. please let me know about your experience with this equipment? there are some companies with different option, and i need to know which company are best? probable problems of this equipment?
  18. ras85

    i have a metalic parts that i need

    thanks for your suggestion, actually its not possible to perform metallographic examination, but i think color is very usefull. could you please let me know more about X-Ray fluorescence for detecting W?
  19. ras85

    i have a metalic parts that i need

    i have a metalic parts that i need to know whether it has ceramic coating like WC or SiC or not? please let me have your advise.
  20. ras85

    russian standard

    hi i have some old russia material code, igh there any one who have chemical composition of alloys ox23h28M3Tɲ, x24H12Cɲ , ct. 35X, x17H13M3T or where i can find chemical composition or material equivalent in other standard?

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