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  • Users: Cervantis
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  1. Cervantis

    Rockwell H Scale Conversion Chart

    I have been requested to conduct Rockwell Hardness tests on 1350 Aluminum H12 material. Never have tried to do a Rockwell Test on Aluminum before, and to add to the conundrum, I am working without pre provided specs/standards for reference. Rockwell H, with a 1/8 indenter and 60 load was the...
  2. Cervantis

    Hex Nuts have Debris in them? Is this normal?

    We purchase a MILD STEEL 1/2-UNC 2B Hex Nut from a reputable supplier. We do not spec a GRADE of Nut. The nuts are getting complaints that there is "debris" in the threads. I cant find any information that states or discusses the "allowable" amount of "specs" or fine tiny bits of metal...
  3. Cervantis

    STUD needs Right Nut

    Serious Question: In the world of threads, can a 3/8-24 SAE nut join and live happily everafter with a 3/8-24 UNF-2A STUD. Or should only UNF 2A meet other UNF's for proper joining and connections. We are experiencing stripped STUDS/UNF using ESNA/SAE nuts and are trying to find a possible...
  4. Cervantis

    Who does Tension Testing?

    I have some poly strapping that I want to have tested by an independent source for comparision. Does anyone know of any labs that provide tension testing on poly materials. Thanks, Cervantis
  5. Cervantis

    Polystrapping Tension Testing Services Needed

    I am looking for services to conduct tension tests on poly strapping material. I went to UL and have received on quote, but need another independent source to conduct some pull tests onthis material for comparision of our in house results. Any suggestions would be appreciated. I have tried a...
  6. Cervantis

    Horizontal Compression Force Device

    I am looking for a horizontal or flat compression device. I am wanting to check the compression force on the handles of our crimpers. We have one in house but the company has gone out of business. Any ideas where I can begin to look for a checker for a crimper tool for the handle force...
  7. Cervantis

    Paint is Fading Looking for Test

    I have been asked to investigate a problem that involves fading of paint when exposed to sunlight for longer than 3 weeks. The surface material is Aluminum. The paint color is black. The product comes in already painted, and we affix it to another part. But after 3 weeks the painted surfaces...
  8. Cervantis

    Removal of Cured Powder Paint

    Does anyone know of a solvent that would removed cured power paint. We have a set of cooling coils that are covered. The manufacture recommends new coils. Just making sure there is not something out there that would work without having to do a cut and replace. Thanks, Cervantis
  9. Cervantis

    Use of Multiple Types of Thread Sealant for NPT threads

    We are having leaks using pre-baked "VIBRASEAL" on NPT male parts. Is there a Standard for type, amount and acceptable application for the sealant? And are there any rules on using multiple or combination of sealants.

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