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  • Users: eddiewdi
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  1. eddiewdi

    Duro hardness a scale vs d scale

    I have specification with a requirement of 65a to 75a shore hardness. The product I received MTR indicates 65d scale. The supplier laboratory reports indictes 65d scale. I have a NCR generated. The supplier claims the materisl meets the specification. I need some clarification. Thanks
  2. eddiewdi

    Material Testing Results Lab Comparrison

    How close should the mechanical and chemicals be when I have tested the same heat number/heat lot number at different labs? (Within 1% of each other)
  3. eddiewdi

    ASTM A-487 GR 9-A,B,C,D Casting only???

    Is ASTM A-487 GR 9-A,B,C,D for casting only or can this spec be applied to forge material also?
  4. eddiewdi

    1 1/2 sharp vee plug gage vs. 1 1/2 LP plug gage

    Hi Guys, Need some help understanding, Documentation History, API 6A 19th ed. Annex L. page 377 note. The sharp vee thread is specified in API BUL 5A october 1944, Table 9. this document is still valid in desigining gages. Page 378 ref dimensions for 2 1/16 out. Now API 5B 14th, page 42, 52, 54...
  5. eddiewdi

    API Sharp Vee Threads vs API LP Threads

    Hi Guys, Need some help understanding, Documentation History, API 6A 19th ed. Annex L. page 377 note. The sharp vee thread is specified in API BUL 5A october 1944, Table 9. this document is still valid in desigining gages. Page 378 ref dimensions for 2 1/16 out. Now API 5B 14th, page 42, 52, 54...

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