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  • Users: LouisLac
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  1. LouisLac

    ASME section IX PWHT Stainless steel type 410

    Hi, If the WPS is qualified with a temperature of 760C can the PWHT be carried out at 595C without re-qualifying the WPS? Note: there is a toughness requirement in the contract.
  2. LouisLac

    ASME sect. IX qualified a PQR with a T joint for fillet weld according to QW-451.3

    Hi, If I qualified a PQR for fillet weld (T-Joint, QW-451.3) without toughness, can I use this to weld a part with a toughness requirement? Thanks
  3. LouisLac

    Hi, I need to clarify with my su

    Hi, I need to clarify with my supplier that they disagree with my point of view on the interpretation of ASME section VIII div. 1 UG-84(h)(3). The PQR is made on a 1 1/2 inch plate to be welded on both sides with a CVN requirement. My point of view is that UG-84 (h) (3) is this: Material Over...
  4. LouisLac

    ASME section VIII div. 1

    What is your interpretation aout UG-84 h)3) Materiel over 1 1/2in. (38mm)...Is 1 ½ in. (38mm) included or not? Thanks
  5. LouisLac

    Lifting power of yokes with 10lb

    Hi, Based on my understanding of ASME Section V, art. T-762, for an alternating current electromagnetic yoke shall be verified prior to use each day the yoke is used with the lifting power yokes at least 10 lb and not just once a year. is that it?
  6. LouisLac

    Frequency of calibration lifting power of yoke ASME Sect. V art. T-762

    Hi, Based on my understanding of ASME Section V, art. T-762, for an alternating current electromagnetic yoke shall be verified prior to use each day the yoke is used with the lifting power yokes at least 10 lb and not just once a year. is that it?
  7. LouisLac

    weld repair on plate 150 mm ASME and thickness of tensile specimen

    For a 10mm repair on a 150mm steel plate, my test coupon shall be about 115mm (1.33xT) with a 5mm (2xt) weld deposited metal. For tensile specimen, do I have to test the full thickness 115 mm of the test coupon?
  8. LouisLac

    Ultrasonics testing ASME section V

    I can not find the number of transducers to use according to the thicknesses to be inspected in the ASME standard for angle beam techniques to expect a butt weld on shell plate A516 gr. 70. Section T-472.1 is not very clear. Where can I find this information in ASME?
  9. LouisLac

    QW-151.1 c) multple specimiens for tnsile teste

    I'm presently going over PQR at a Chinese supplier in china. For the cutting of the tensile test specimen, they used multiple specimens to represent a 40mm test coupons. I noticed that the four specimens that were tested measured 26mmn, 25mm and the other tensile 23mm, 24mm. The two combined...
  10. LouisLac

    Mechanicals test for 2 transfers mode on the same test coupon

    What's about the mechanicals test. I've qualified a PQR GMAW solid wire (request impact test) with a test coupon 40 mm, one side (20 mm) in 3G short circuit and the other side (20 mm) in 1G spray mode. For the mechanical test, I think I need 2 tensile (full thickness), 4 side bend test and for...
  11. LouisLac

    ASME B31.1 visual examination 136.4.2

    What's the meaning for (A.6) any other linear indications greater than 3⁄16in.(5.0 mm) long. Somebody knows what is exactly "any other linear indications" for visual examination?
  12. LouisLac

    Preheat different thickness according to ASME

    Hi, I would like to know what are tinkling about preheat 2 different thickness according to ASME section IX. If I want to weld, for example, A516 gr 70 with one part 20 mm with 60 mm, I think we need to consider the thicker part for the preheating but in ASME section IX no specification about...

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