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  1. QualityJoe

    Stainless steel screw and bolt material acceptance testing

    Thanks for the tips.. I had my techs do a heat test on various fastners we have in stock. Most has some significant amount of attraction to magnets. After the heat test this attraction to magnetism was still present but not as strong as before. thus was able to develop an inspection criteria. I...
  2. QualityJoe

    Stainless steel screw and bolt material acceptance testing

    we build interactive aqauitic playground systems and fountains which require stainless steel fastners to secure and install water elements. We have had many site repair visits and found that we have had items fail due to the fastners rusting out within a years time frame, or less some times. I...
  3. QualityJoe

    Stainless steel screw and bolt material acceptance testing

    No, not really. Just with citric acids for SS passivation purposes. I really dont want to open up another hazmat waste profile just for testing hardware, cost and man hours alone will be inefficient for me right now.. I have instructed purchasing dept to have certificates of compliance from the...
  4. QualityJoe

    Stainless steel screw and bolt material acceptance testing

    Most are 18-8 SS, however I have seen 304 SS recieved with some attraction to magnets. I will have to try the heat test you mentioned to prove that out.. Thanks.
  5. QualityJoe

    Stainless steel screw and bolt material acceptance testing

    Does anyone know or can guide me to a source that has a good procedure/practice for acceptance testing of stainless steel scews and bolts? I am trying to develop an incoming inspection to ensure we recieve good guality corrosive resistant stainless steel hardware. Need to find a quick spot check...

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