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Recent content by granQC

  1. granQC

    Steel Plate Quality agains Price

    Hello! No experience with Tianjin Steel (China), however I would like to recommend/point-out the following: 1) Is there any restriction by your Client to purchase from China Vendor/Manufacturer? 1a) If yes, I think you do not need to bother considering China Vendors. 1b) If none, I believe you...
  2. granQC

    API 650 9.2.1.1

    Hello! I think, Article V of ASME Sec. IX could guide you if you can utilize the SWPSS (suffice with the conditions and/or requirements) for welding pressure boundary/parts. Ciao!
  3. granQC

    UG-85(b)

    Hi! In my opinion, the 900degF (480degC) pertains to the minimum temperature where heat treatment takes place (e.g. applicable to Aging treatment/Precipitation Hardening) on a material. The Code 'maybe' simply specify it to consider not only the common heat treatment range-from 1100degF...
  4. granQC

    Spiral Wound Gasket Compression

    Hello! In my opinion, there points that need to be clarified: I) What criteria/aspect/visible identity in the flange connection that suspects you that it was overtorqued/gasket overcompressed? Please also consider: a)What do you mean by crushed/damage and comparing it to compressed gasket? b)...
  5. granQC

    EN 10204 equivalent

    You may refer to ISO 10474, however, document type designation is NOT EXACTLY the same. Ciao!
  6. granQC

    PUMP Specifications

    Maybe you should consider type of pump..
  7. granQC

    Analysis of Continuous Diameter Measurements

    In my opinion, Based on your information below, you will be the one to design and manufacture the cable assemblies THEN also given the prerogative to judge if the cables are acceptable; therefore you should also be the one to indicate the acceptance criteria and test required for these cable...
  8. granQC

    Pipe Defects- Please let me have your comments.

    Judgement on this cannot be done through the pictures, I may suggest the following: 1) Physical appearance could conceive one's judgment. 2) Verify Material certificate (understand requirement on the ASTM or project requirement) and Dimensional Report Report from the Supplier/Manufacturer of...
  9. granQC

    Heat number transfer on to the materials received

    I think you could defend this (some with tag&heat numbers and others without tag&eat no.) by: The product was received in the condition as per ASTM A6 Section 18.1.4.2 and 18.6.1. In addition, the transfer proceeded maybe because it was written your in-house qc procedure/traceability. Since you...
  10. granQC

    ASTM A106 section 4.4

    Hello! Yes, as per the standard, cold-drawn method for smaller pipe (D<2") can be conducted. I think the main reason of this is that these line sizes, D<2", are mainly used in utility lines (non-critical/process service) therefore reduced yield strength and hardness by plastic deformation...
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