TITLE

Testing the temperature

AUTHOR(S)
Harris, Richard
PUB. DATE
September 2004
SOURCE
Gases & Welding Distributor;Sep/Oct2004, Vol. 48 Issue 5, p52
SOURCE TYPE
Trade Publication
DOC. TYPE
Article
ABSTRACT
This article discusses the process of monitoring workpiece heat with a temperature indicator stick that can minimize warping and weld cracking and reduce the need for gages or electronic devices. It is to prevent hardening and cracking when a part is cooled too rapidly through the transformation range, particularly for cast iron and most carbon steels. A smaller temperature differential reduces the heat flow from the weld area and slows the cooling rate. Temperature indicators detect the surface temperature of metal workpieces for preheat and interpass welding requirements, postweld heat treatment, annealing, and stress relieving. INSET: Solving a problem.
ACCESSION #
14428503

 

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