By AWS, N/A
This advisor primarily presents an advent to visible exam of welding. those examinations fall into 3 different types in accordance with the time they're played, as follows: (1) ahead of welding, (2) in the course of welding, and (3) after welding. an in depth therapy is equipped on weld floor stipulations, together with connection with often used terminologies linked to most popular and non-preferred stipulations. visible exam might be played by means of assorted humans or enterprises. group of workers acting welding exam comprise welders, welding supervisors, the contractor's welding inspector, the purchaser's examiner, or the regulatory inspector. For the aim of simplicity, those everyone is known as visible inspectors during this regular. additionally supplied is a evaluate of visible exam gear generally used, resembling gauges and lighting fixtures gear. Formal documentation of visible exam effects can also be mentioned
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Additional resources for AWS B1.11M/B1.11:2015 Guide for the Visual Examination of Welds
While AWS administers the process and establishes rules to promote fairness in the development of consensus, it does not independently test, evaluate, or verify the accuracy of any information or the soundness of any judgments contained in its standards. AWS disclaims liability for any injury to persons or to property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, or reliance on this standard.
11:2015 Personnel AWS B1 Committee on Methods of Inspection W. Komlos, Chair R. Cook, 1st Vice Chair A. Moore, 2nd Vice Chair E. Abrams, Secretary J. Armstrong U. Aschemeier B. Baker K. Baucher R. Campbell R. Clarke B. Craft D. Crowe C. Eure G. Gratti B. Hill R. Holdren A. Johnson E. Levert E. Lichtfusz C. Mankenberg R. McCabe J. Mehta T. Studebaker H. Thompson Arc Tech LLC SME Steel Contractors Marion Testing & Inspection American Welding Society LeTourneau Technologies, Incorporated Subsea Global Solutions LLC Bechtel National, Incorporated Technicon Engineering Services, Incorporated Banker Steel Company TEAM Industrial Services Trinity Industries, Incorporated Massachusetts Highway Department (Retired) AMEC E&I Arcos Industries Cameron Process Systems Canada ARC Specialties/Welding Consultants LLC Johnson Inspection Lockheed Martin Missiles & Fire Control Roush Industries Shell International Exploration & Production Consultant Alta Vista Solutions St.
Transverse cracks may be the result of longitudinal residual stresses acting on weld metal with low ductility or they may be related to diffusible hydrogen and delayed cracking. Examples of transverse cracks are shown in Figure 30. Figure 28—Longitudinal vs. 2 Crack Types. Cracks can generally be classified as either hot cracks or cold cracks. Hot cracks occur in a metal during solidification or at elevated temperatures. Hot cracks can occur in both heat-affected (HAZ) and weld metal zones (WMZ), and are the result of insufficient ductility at high temperature.