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  1. TRRMan

    Steel Hydrogen Embrittlement

    israelkk I see the additional ASTM spec that it is calling for that defines the post plating process information. I know what you are talking about, I have a big mess to clean up from years of sloppy engineering pratices so I am trying to get the best information that I can and also educate...
  2. TRRMan

    Steel Hydrogen Embrittlement

    Thanks for the information. What is the typical bakeout specification, 3 HRs at 375F?
  3. TRRMan

    Steel Hydrogen Embrittlement

    I need some clarity on when Hydrogen Embrittlement should be a concern. ASTM B633 states that "All electroplated steel parts having a tensile strength greater than 1000 MPa (31 HRc).... shall be baked to reduce the risk of hydrogen embrittlement." If I have a 1045 sheet metal plate which...
  4. TRRMan

    6103 Aluminum

    I have looked there they don't have any stength information. Thanks
  5. TRRMan

    6103 Aluminum

    I am having trouble finding information on 6103 Aluminum. What are the Ultimate Tensile and Tensile Yield Strength values.
  6. TRRMan

    Standard for Forged Hooks

    Thanks for all the information. RR-C-271D seems to have some information. B30 seems to be for hoisting and rigging which is not the intended use for my parts so I'm not sure if it is applicable.
  7. TRRMan

    Standard for Forged Hooks

    I work in the logistics and transportation industry. Does any on know of a standard the governs the hooks that are used on chains. The NACM seems to only have information on chains and nothing on the end hooks. Specifically I am looking to verify what markings need to be on the forged parts. Thanks
  8. TRRMan

    O-Ring Material Selection (Nitrile / NBR / Viton)

    We are in the process of developing a new product that will have a 2 year warranty. The current design uses a Nitrile o-ring which I don't think is a good choice because the product will be exposed to the weather. The seal is acting more to keep the weather out than anything else so it will not...
  9. TRRMan

    "0" Condition

    Steel, A36 and HT 50. Thanks again.
  10. TRRMan

    "0" Condition

    This may be a simple question but I'm not at all fimilar with welding. What is the "0" condition. Thanks for the help.
  11. TRRMan

    AL 6005 and 6351 corrosion resistance differences

    Does any one know if there is a difference in the corrosion resistance between 6351-T6 and 6005-T5 Aluminum. This product is used in the transportation industry and will come into some contact with water and salt easpecially during the winter. Thanks for any help.
  12. TRRMan

    AL 6005 and 6351 Corrosion Resistance

    General outdoor, with high salt contact during the winter.
  13. TRRMan

    AL 6005 and 6351 Corrosion Resistance

    Does any one know if there is a difference in the corrision resistance bewteen 6005-T5 and 6351-T6 Aluminum. Thanks
  14. TRRMan

    ZG45 China Steel

    The only other detail that I have is that it's die-cast and has a compressive strength of 310-570. Thanks
  15. TRRMan

    ZG45 China Steel

    Does anyone know the US equivalent for ZG45 China Steel.
  16. TRRMan

    English to Metric Tolerance Issues

    Yes in a perfect world it should be reference but in the real world I have China building my parts in mm and doing QC in mm because thats the tools they have and I have those parts being checked by my companys QC in English because those are the tools we have. I didn't make the mess I'm just...
  17. TRRMan

    English to Metric Tolerance Issues

    I'm wondering how people are dealing with dual dimensioning and the conversion from english units to metric. I have a tolerance that looks something like this; INCH = .XX ± 0.01 .XXX ± 0.006 MM = .X ± 0.30 .XX ± 0.15 The problem is that things may pass QC in mm from the supplier...

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