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  1. sushildwivedi16

    Impact Specimen Size ASME Sec VIII Div. 1 (Clause UG-84(c)(2)(a)) & Div. 2 (Clause 3.11.7.2 (b))

    Hello to All, The below query in reference to impact test specimen sizes as per ASME Section VIII Div. 1 (Clause UG-84(c)(2)(a)) & ASME Section VIII Div. 2 (Clause 3.11.7.2 (b)). As per the above-mentioned clauses, is it mandatory to use impact test specimens of 10 mm x 6.7 mm if the absorbed...
  2. sushildwivedi16

    UCS-56(a), Table UCS-56-1, ASME Sec. IX

    The base metal thickness range in WPS cannot be reduced to 38 mm max. Since the same WPS will be used for a corner joints between Shell (20 mm) to Tubesheet (90 mm). Dissimilar joint thicknesses. However all the necessary requirements of UCS-56 has been adhered to in the WPS nominal thickness ...
  3. sushildwivedi16

    UCS-56(a), Table UCS-56-1, ASME Sec. IX

    Thanks for the response metengr. We intend to use GTAW+SAW process. The WPS includes the following ranges Base metal thickness range : 5 mm to 200 mm Total Deposited weld metal thickness : 38 mm max (using both processes together) Preheat temperature : thickness < 32 mm - 30°C, thickness ≥ 32...
  4. sushildwivedi16

    UCS-56(a), Table UCS-56-1, ASME Sec. IX

    Hello to Everyone. This query is with respect to the requirement of PWHT mentioned in Table UCS-56-1 & qualification of the PQR for the same We are manufacturing a vessel with 20 mm thickness, SA 516 Gr. 70 (P No. 1) material. No special service requirements, no impact requirements. Hence as...
  5. sushildwivedi16

    Heat Treatment Condition as per UG-84 (h)(2)(-b)

    Dear Fleischfresser, Thanks for the interpretations. However, it does not answer my query in the original post. The Interpretation: VIII-1-92-51 does not indicate stress-relieving as heat treatment condition. The Interpretation: VIII-1-92-221 is related to joining of two different heat...
  6. sushildwivedi16

    Heat Treatment Condition as per UG-84 (h)(2)(-b)

    Hello to everyone. As per my understanding, clause UG-84 (h)(2)(-b) refers to heat treatment conditions such as as-rolled, annealing, normalizing, normalizing+tempering, quenching+tempering, normalizing+accelerated cooling+tempering. In short this clause refers to quality heat treatment of the...
  7. sushildwivedi16

    Requirements of QW-283 - Welds With Buttering

    Dear All, One of the equipment under fabrication in our workshop, requires buttering in order to weld a Stainless Steel gasket. The joint details are as mentioned below and needs PQR as per QW-283. Base Metal is P No. 4 (SA 182 F11 Cl. 2). Thickness is 250 mm. Buttering of 5 mm thickness shall...
  8. sushildwivedi16

    QW-200.4 of ASME Sec. IX_Combination of Welding Procedures

    Thanks a lot everyone for this great discussion. It really solved my problem. Have a nice day. SD
  9. sushildwivedi16

    SS 410S weld overlay/restoration

    Hello everyone. The datasheet of one of the equipment which is under fabrication in our workshop states the requirement of SS 410S clad on SA 516 Gr. 70. For the purpose of clad restoration and the nozzle overlay, we used ENiCrFe-3 electrodes in accordance with API 582 recommendations. Design...
  10. sushildwivedi16

    QW-200.4 of ASME Sec. IX_Combination of Welding Procedures

    metengr Does this means that for a corner joint that is made between 4.55 mm and 26 mm BM thicknesses with a weld deposit of 4.55 mm only, I will have to qualify a new PQR to cover the BM thickness range ?
  11. sushildwivedi16

    QW-200.4 of ASME Sec. IX_Combination of Welding Procedures

    Dekdee My client insists that I generate separate WPS specifying GTAW only to weld both the joints. And hence the question whether I can make one WPS of GTAW with BM range as 1.5-50 mm /WM GTAW - 20 mm max or I need to make two different WPSs, each specifying GTAW only but ranges as suggested...
  12. sushildwivedi16

    QW-200.4 of ASME Sec. IX_Combination of Welding Procedures

    Thanks metengr. I came across an interpretation which got me confused with respect to reply to question 1 & 3. Standard Designation: BPV Section IX Edition/Addenda: Para./Fig./Table No: Subject Description: QW-200.4(b) Date Issued: 12/08/2011 Record Number: 10-1966 Interpretation Number ...
  13. sushildwivedi16

    QW-200.4 of ASME Sec. IX_Combination of Welding Procedures

    Hello Everyone, This is my first post here. Hope to find the solution to my query with respect to QW-200.4 of ASME Sec. IX. Here I go!! PQR A is qualified in 25 mm base metal thickness with 10 mm of GTAW & 15 mm of SMAW weld deposits. PQR B is qualified in 8 mm base metal thickness with 3 mm...
  14. sushildwivedi16

    QW-200.4 of ASME Sec. IX_Combination of Welding Procedures

    Hello Everyone, This is my first post here. Hope to find the solution to my query with respect to QW-200.4 of ASME Sec. IX. Here I go!! PQR A is qualified in 25 mm base metal thickness with 10 mm of GTAW & 15 mm of SMAW weld deposits. PQR B is qualified in 8 mm base metal thickness with 3 mm...

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