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  • Users: MECH993
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  1. MECH993

    WPS & PQR using combination process.

    Dear experts, If a PQR is qualified with SMAW & SAW weld process, where SMAW is used in root pass only & saw for fill/cap and then SMAW root is completely back gouged before applying SAW from the other side, Can we write the WPS with the same processes, SMAW applied for root pass only which is...
  2. MECH993

    ASME SEC II SA-965, Grade 317/317L

    As per ASME SA-182, SA-965 to be referred for Austenitic stainless steel forgings weighing above 10000lbs. However Grade F317 or F317L are not available in SA-965, is there any particular reason for not including 317/317L for heavy forgings in SA-965?
  3. MECH993

    Thermocouple placement- UCS 56 (d) (2)

    Hello Experts, request your comments on below query. As per UCS 56 (d)(2) temperature gradient shall not exceed 250 F within 15 feet length interval. We have as vessel of 125" OD, the query is length interval for thermocouple placement along circumference is calculated based on circumferential...
  4. MECH993

    Fugitive Emission

    Whats the difference between fugitive emission qualification test & production test. Do both needed to be performed?

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