2015 - ASME - Code - Changes, Notas de estudo de Engenharia Mecânica

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ASME CODE CHANGES

2015 EDITION

SECTION I

• 2015 Edition published July 1, 2015, mandatory January 1, 2016.
• No more addenda. Publish every 2 years.
• Table A-360 : All ASME standards reference “current year of publication”.
• New ASME CA-1 standard for obtaining ASME shop certification.

SECTION I

Parts fabrication certificate program:

• New “PRT” fabricated parts designator added for ASME Certification Mark
• New paragraph in Table A-370:
  • “Certification Mark with ‘PRT’ Designator”
  • See PG 106.8.3 for details.

SECTION I

• Locomotive boilers: Part PL – Requirements for Locomotive Boilers
• New Part PL added on requirements for locomotive boilers
• PL-1 – “The rules in this Part are applicable to steam locomotive boilers and their parts and appurtenances. These rules shall be used in conjunction with the general requirements in Part PG, and the specific requirements in the applicable Parts of this Section that apply to the method of fabrication used.”

SECTION V

• Digital radiography has a pixel tolerance of 2%.
• Liquid penetrant has a maximum dwell time of 2 hours.

SECTION VIII

• If a manufacturer is also the User, then the User is required place the word “User” above the ASME Code stamp.
• Not positive about the RT, W, etc. stamping.
• See next slide.

SECTION VIII

Item Number 07-2041 : Section VIII, Division 1; U- 1(g)(1), UG-116, UG-

• New paragraph UG- 116 (f) – “An unfired steam boiler, referenced in U- (g)(1), shall have its maximum designed steaming capacity recorded in the ‘Remarks’ section of the data report.”

SECTION IX

• Modified paragraph QG-106.1 (a) - “The personnel who produce test joints for procedure qualification shall be under the full supervision and control of the qualifying organization during the production of these test joints.”
• Modified paragraph QG-106.2 (a) – “The personnel who produce test joints for performance qualification shall be tested under the full supervision and control of the qualifying organization.”

NBIC CHANGES

2015 EDITION

NBIC CHANGES

Several general revisions were made to the NBIC

• Tables and figures – consistency, resolution, numbering, placement
• Complete revision of Index in NBIC Parts 1, 2, and 3
• Administrative requirements removed from Part 3 and posted on National Board web site
• Roman numeral pages formatting updated
  • Table of contents moved to beginning
• Interpretation index formatting improved – see National Board web site
• Future – color pictures and figures no longer used

NBIC CHANGES

• NBIC Part 2, Supplement 9 details the requirements and guidelines to be followed when a change of service or service type is made to a pressure retaining item.

NBIC CHANGES

NBIC Part 2, 4.4.8.7 – Added requirements for leaving widely scattered corrosion pits in a pressure retaining item

• “Widely scattered corrosion pits may be left in the pressure retaining item in accordance with the following requirements:” ‒ “Their depth is not more than one-half the required thickness of the pressure-retaining item wall (exclusive of corrosion allowance);” ‒ “The total area of the pits does not exceed 7 in. 2 (4500 mm^2 ) within any 50 in.^2 (32000 mm^2 ); and” ‒ “The sum of their dimension (depth and width) along any straight line within this 50 in. 2 (32000 mm^2 ) area does not exceed 2 in. (50 mm).”

NBIC CHANGES

• Part 3 Changes:
• New “NR” Quality Program requirements.
• Temper Bead welding methods for steam above 900°F.
• New Welding Method 6 for Grade 91 steel.
• Details for fire-tube plugging.
• Unidentified materials require hardness testing & chemical analysis.