Microstructural Development in HSLA-100 Steel Weld Metals
PENNSYLVANIA STATE UNIV UNIVERSITY PARK
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In order to check the validity of the data from the as-received plate samples were re-austenitized, quenched and subsequently tempered for up to 3 hours at 605 deg C. In order to document the long term, high temperature stability of HSLA-100, tempering times were increased up to 48 hours. The microstructures that develop in the coarse-grained heat affected zone CG-HAZ of the welds are discussed in this document. At this point, it should be noted that all of the results reported herein are for the 0.04C version of HSLA-100. We have also examined an 0.02C version, and the results of these studies primarily with respect to quenchingtempering and the CG-HAZ will be submitted shortly.
- Fabrication Metallurgy