1518-5 Weld Joint Examination for Pneumatically Tested Pressure Vessels Section VIII,Division 1

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CASE 1518-5 CASES OF ASME BOILER AND PRESSURE VESSEL CODE Approval Date: March 1, 1999 See Numeric Index for expiration and any reaffirmation dates. Case 1518-5 Weld Joint Examination for Pneumatically Tested Pressure Vessels Section VIII, Division 1 Inquiry: Under what circumstances may the weld joint examination requirements of para. UW-50 of Section VIII, Division 1, be waived for welded pressure vessels that are pneumatically tested in accordance with para. UG-100? Reply: It is the opinion of the Committee that the weld joint examination requirements of para. UW-50 may be waived provided all of the following require- ments are met. (a) The maximum allowable working pressure of the vessel is no greater than 500 psig. The Committee’s function is to establish rules of safety, relating only to pressure integrity, governing the construction of boilers, pressure vessels, transport tanks and nuclear components, and inservice inspection for pressure integrity of nuclear components and transport tanks, and to interpret these rules when questions arise regarding their intent. This Code does not address other safety issues relating to the construction of boilers, pressure vessels, transport tanks and nuclear components, and the inservice inspection of nuclear components and transport tanks. The user of the Code should refer to other pertinent codes, standards, laws, regulations or other relevant documents. 1 (1518-5) (b) The governing thickness for UCS materials shall be as defined in UCS-66(a). (c) For UCS materials, the maximum governing thickness for Fig. UCS-66 Curve A materials is no greater than 1 / 2 in. and for Curves B, C, or D materials is no greater than 1 in. (d) For UHA material, Austenitic Chromium nickel stainless steels 304, 304L, 316, 316L, 321, and 347, the governing thickness is no greater than 3 / 4 in. (e) For UNF material, Aluminum or Aluminum Alloy 3000 Series, 5000 Series and 6061-T6, the governing thickness is no greater than 1 in. (f) All other requirements of the Code shall apply. (g) This Case number shall be shown on the Manufac- turer’s Data Report. Copyright ASME International Provided by IHS under license with ASME Not for Resale No reproduction or networking permitted without license from IHS --`,,```,,,,````-`-`,,`,,`,`,,`---

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1518-5 Weld Joint Examination for Pneumatically Tested Pressure Vessels Section VIII,Division 1

Transcript of 1518-5 Weld Joint Examination for Pneumatically Tested Pressure Vessels Section VIII,Division 1

  • CASE

    1518-5CASES OF ASME BOILER AND PRESSURE VESSEL CODEApproval Date: March 1, 1999

    See Numeric Index for expirationand any reaffirmation dates.

    Case 1518-5Weld Joint Examination for Pneumatically TestedPressure VesselsSection VIII, Division 1

    Inquiry: Under what circumstances may the weldjoint examination requirements of para. UW-50 ofSection VIII, Division 1, be waived for welded pressurevessels that are pneumatically tested in accordance withpara. UG-100?

    Reply: It is the opinion of the Committee that theweld joint examination requirements of para. UW-50may be waived provided all of the following require-ments are met.

    (a) The maximum allowable working pressure of thevessel is no greater than 500 psig.

    The Committees function is to establish rules of safety, relating only to pressure integrity, governing the construction of boilers, pressure vessels, transport tanksand nuclear components, and inservice inspection for pressure integrity of nuclear components and transport tanks, and to interpret these rules when questions ariseregarding their intent. This Code does not address other safety issues relating to the construction of boilers, pressure vessels, transport tanks and nuclear components,and the inservice inspection of nuclear components and transport tanks. The user of the Code should refer to other pertinent codes, standards, laws, regulations orother relevant documents.

    1 (1518-5)

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    (b) The governing thickness for UCS materials shallbe as defined in UCS-66(a).

    (c) For UCS materials, the maximum governingthickness for Fig. UCS-66 Curve A materials is nogreater than 12 in. and for Curves B, C, or D materialsis no greater than 1 in.

    (d) For UHA material, Austenitic Chromium nickelstainless steels 304, 304L, 316, 316L, 321, and 347,the governing thickness is no greater than 34 in.

    (e) For UNF material, Aluminum or Aluminum Alloy3000 Series, 5000 Series and 6061-T6, the governingthickness is no greater than 1 in.

    (f) All other requirements of the Code shall apply.(g) This Case number shall be shown on the Manufac-

    turers Data Report.

    Copyright ASME International Provided by IHS under license with ASME

    Not for ResaleNo reproduction or networking permitted without license from IHS

    --`,,```,,,,````-`-`,,`,,`,`,,`---

  • p. 32 of 198 06-29-04 05:08:52 Textfile: 000401$$$8 Unit: U001

    Copyright ASME International Provided by IHS under license with ASME

    Not for ResaleNo reproduction or networking permitted without license from IHS

    --`,,```,,,,````-`-`,,`,,`,`,,`---