File:Pipe root weld with HAZ (rotated).jpg
![File:Pipe root weld with HAZ (rotated).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/3/30/Pipe_root_weld_with_HAZ_%28rotated%29.jpg/800px-Pipe_root_weld_with_HAZ_%28rotated%29.jpg?20150911134815)
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Captions
Captions
DescriptionPipe root weld with HAZ (rotated).jpg | Partial weld around a pipe joint with clear heat affected zone |
Date | |
Source | File:Pipe root weld with HAZ.jpg |
Author | User:Ytrottier, cropped by user:XcepticZP, rotated by user:Michał Sobkowski |
Summary
[edit]Partial weld around a pipe joint with clear heat affected zone. This is ASME SA106 Grade B steel pipe NPS 2.5 SCH 80 with J-grooved prepared ends. An automated TIG orbital welder made half an orbit before aborting. The heat affected zone is clearly visible because of the polished ends, even though it is generally innocuous in this material. (SA106 Grade B) Photo by Yannick Trottier, 2006.
Temper Colors
[edit]A method of checking temperature is by the temper colors: A given temperature will leave a distinct color corresponding to that temperature on a freshly filed surface. (It should be noted that the presence of alloying elements in the steel affects the colors formed, and some of the higher alloy steels have no temper colors.) This temperature range is very evident in the picture above, at the outside edge of the temper color you can see the transition of all the colors and corresponding temperatures.
Temperature C And Color 204.4 Faint Straw 226 Straw 246.1 Deep Straw 282 Bronze Peacock 590 Full Blue 640 Light Blue
Licensing
[edit]This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: rotated. The original can be viewed here: Pipe root weld with HAZ.jpg: ![]()
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License.http://www.gnu.org/copyleft/fdl.htmlGFDLGNU Free Documentation Licensetruetrue |
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This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. | |
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This licensing tag was added to this file as part of the GFDL licensing update.http://creativecommons.org/licenses/by-sa/3.0/CC BY-SA 3.0Creative Commons Attribution-Share Alike 3.0truetrue |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 13:48, 11 September 2015 | ![]() | 2,304 × 1,380 (400 KB) | Michał Sobkowski (talk | contribs) | {{Information |Description=Partial weld around a pipe joint with clear heat affected zone |Source=File:Pipe root weld with HAZ.jpg |Date=2015-09-11 |Author=User:Ytrottier, cropped by user:XcepticZP, rotated by user:Michal Sobkowski |Pe... |
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