ASME B16.25 2017
$98.04
ASME B16.25 Buttwelding Ends
| Published By | Publication Date | Number of Pages |
| ASME | 2017 | 38 |
This Standard covers the preparation of buttwelding ends of piping components to be joined into a piping system by welding. It includes requirements for welding bevels, for external and internal shaping of heavy-wall components, and for preparation of internal ends (including dimensions and tolerances). Coverage includes preparation for joints with the following: no backing rings; split or noncontinuous backing rings; solid or continuous backing rings; consumable insert rings; gas tungsten arc welding (GTAW) of the root pass.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 4 | CONTENTS |
| 5 | FOREWORD |
| 6 | ASME B16 COMMITTEE ROSTER |
| 7 | CORRESPONDENCE WITH THE B16 COMMITTEE |
| 9 | ASME B16.25-2017 SUMMARY OF CHANGES |
| 10 | LIST OF CHANGES IN RECORD NUMBER ORDER |
| 12 | 1 SCOPE 1.1 General 1.2 Application 1.3 Relevant Units 1.4 Size 1.5 Referenced Standards 1.6 Quality Systems 1.7 Convention 2 TRANSITION CONTOURS |
| 13 | 3 WELDING BEVEL DESIGN 3.1 Bevels for Other Than GTAW Root Pass 3.2 Bevels for GTAW Root Pass 3.3 Outside Diameter at Welding Ends 4 PREPARATION OF INSIDE DIAMETER OF WELDING END 4.1 General 4.2 Dimension C |
| 14 | 4.3 Exceptions 5 TOLERANCES 5.1 Dimension B 5.2 Welding Bevels, Root Face, and Dimension C 5.3 Dimension A 5.4 Wall Thickness |
| 15 | Figures Figure 1 Maximum Envelope for Welding End Transitions |
| 16 | Figure 2 Bevels for Wall Thickness Over 3 mm (0.12 in.) to 22 mm (0.88 in.), Inclusive |
| 17 | Figure 3 Weld Bevel Details for Wall Thickness Over 22 mm (0.88 in.) |
| 18 | Figure 4 Weld Bevel Details for GTAW Root Pass [Wall Thickness Over 3 mm (0.12 in.) to 10 mm (0.38 in.), Inclusive] Figure 5 Weld Bevel Details for GTAW Root Pass [Wall Thickness Over 10 mm (0.38 in.) to 25 mm (1.0 in.), Inclusive] |
| 19 | Figure 6 Weld Bevel Details for GTAW Root Pass [Wall Thickness Over 25 mm (1.0 in.)] |
| 20 | Tables Table 1 Dimensions of Welding Ends, Metric (See Figures 1 Through 6) |
| 26 | MANDATORY APPENDIX I INCH TABLE |
| 27 | Table I-1 Dimensions of Welding Ends, U.S. Customary (See Figures 1 Through 6) |
| 33 | MANDATORY APPENDIX II REFERENCES |
| 34 | NONMANDATORY APPENDIX A QUALITY SYSTEM PROGRAM |
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