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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

    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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. 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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