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ASME B31.3-2016 <br /> M330 PREHEATING OF METALS M335.10 Identification of Piping <br /> Paragraph 330 applies in its entirety. See Appendix F, para. F335.10. <br /> M331 HEAT TREATMENT OF METALS PART 10 <br /> INSPECTION, EXAMINATION, TESTING, AND <br /> Paragraph 331 applies in its entirety,with the excep- RECORDS OF METALLIC PIPING <br /> tion that no requirements less stringent than those of M340 INSPECTION <br /> Table 331.1.1 shall be specified. <br /> Paragraph 340 applies in its entirety. <br /> M332 BENDING AND FORMING OF METALS <br /> Paragraph 332 applies in its entirety,except that bend- M341 EXAMINATION <br /> ing that conforms to para. 332.2.3 is not permitted. Paragraphs 341.1,341.2,341.3,and 341.5 apply in their <br /> entirety. See para. M341.4. <br /> M335 ASSEMBLY AND ERECTION OF METALLIC M341.4 Extent of Required Examination (16) <br /> PIPING Paragraph 341.4.1 applies with the following <br /> M335.1 General exceptions: <br /> M335.1.1 Alignment. In addition to the require- (a) Visual Examination <br /> ments of para.335.1.1,any bending or forming required (1) All fabrication shall be examined. <br /> for alignment and fit-up shall be heat treated if required (2) All threaded, bolted, and other mechanical <br /> by para. 332.4. joints shall be examined. <br /> (b) Other Examination. The radiography/ultrasonic <br /> M335.2 Flanged Joints examination requirements of para. 341.4.1(b)(1) apply, <br /> Paragraph 335.2 applies in its entirety except that 100%of circumferential butt and miter welds <br /> and of fabricated lap and branch connection welds com- <br /> M335.3 Threaded Joints parable to those shown in Fig.328.5.4E;Fig.328.5.4F;and <br /> Paragraphs 335.3.1 and 335.3.2 apply. See Fig. 328.5.5,illustrations (d) and (e),shall be examined. <br /> paras. M335.3.3 and M335.3.4. <br /> M335.3.3 Straight-Threaded Joints. The require- M342 EXAMINATION PERSONNEL <br /> ments of para. 335.3.3 are subject to the limitations in Paragraph 342 applies. <br /> para. M322. <br /> M335.3.4 Condition of Threads. Taper-threaded M343 EXAMINATION PROCEDURES <br /> components and threaded ends permitted under para. Paragraph 343 applies. <br /> M314.2.1 shall be examined before assembly for cleanli- <br /> ness and continuity of threads and shall be rejected if not <br /> in conformance with ASME 131.20.1 or other applicable M344 TYPES OF EXAMINATION <br /> standards. Paragraph 344 applies in its entirety. <br /> M335.4 Tubing Joints <br /> M345 TESTING <br /> M335.4.1 Flared Tubing Joints. The requirements of <br /> para. 335.4.1 apply;however,see para.M322 for limita- Paragraph 345 applies, except that <br /> tions associated with specific piping systems. (a) a sensitive leak test in accordance with para.345.8 <br /> shall be included in the required leak test (para. 345.1) <br /> M335.4.2 Flareless and Compression Tubing Joints. (b) the initial service leak test (para. 345.7) does not <br /> The requirements of para. 335.4.2 apply; however, see <br /> para. M322 for limitations associated with specific pip- <br /> ing systems. <br /> M346 RECORDS <br /> M335.6 Special Joints <br /> Paragraph 346 applies in its entirety. <br /> Special joints shall be in accordance with paras.M318 <br /> and 335.6.1. PARTS 11 THROUGH 20, <br /> M335.9 Cleaning of Piping CORRESPONDING TO CHAPTER VII <br /> See Appendix F,para. F335.9. See para. M300(b). <br />