Why Preheat?
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Authors
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Department of Civil and Structural Engineering, The University of Manchester Institute of Science and Technology ,IN
F. M. Burdekin
Abstract
The vast majority of welding of structural steels is carried out without any need for, or consideration of, preheat. With high yield or low alloy steels, and with thick sections, precautions may be necessary to avoid heat affected zone (HAZ) cracking.
