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  • Users: LCeballos
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  1. LCeballos

    Hydrotest and U stamp for HE¦s

    Good morning for everyone. We are a shop that fabricates heat exchangers, in fact, we have ASME U certificate. Sometimes we install HE´s also at plants. One of our customers wants to install around 15 HE´s, all of HE´s are U stamped, but are not fabricated for us. The customer wants to do...
  2. LCeballos

    Rafters for structurally supported cone roof

    According API-650, is it permitted to weld a structural member (rafter), for a structurally supported cone roof? I was searching into standard, but it does not say specifically. Thanks in advance.
  3. LCeballos

    ASME material for tubesheets

    Is it accepted to fabricated a tubesheet from casting, for example: SB-369-96400 instead of plate SB-171-71500? Thanks in advance
  4. LCeballos

    Uplift Loads

    According Table 5-21b, specifically, for Seismic Load, Allowable Anchor bolt stress shall not be exceed 0.8*Fy. Can I use the yield strength as shown in material certificate attached? Thanks a lot.

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