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Effect of Flame Straightening on Through Thickness Properties of TMCP Steel Plate

Author(s):

N. Ramasamy , PERIYAR MANIAMMAI UNVERSITY; R. Kathiravan, PERIYAR MANIAMMAI UNIVERSITY; N. Raju, BHEL/TRICHY

Keywords:

Distortion; Flame straightening; Mechanical properties; TMCP steel

Abstract

Thermo-mechanical controlled process (TMCP) steel plates are used in manufacturing of steel structure. Welding distortion is a perennial problem during fabrication. Flame straightening method is adopted for removing distortion. In this paper, the effect of flame straightening on mechanical properties of TMCP steel plate across the thickness has been taken up for investigation. A test specimen having yield strength 450MPa-TMCP steel plate was heated to 800 °C on the surface using oxy-acetylene flame by line heating method. The material properties at different zones of heat imparted location was studied. The test results were analyzed and observed that the variation in mechanical properties were due to changes in microstructure. The yield strength, toughness and ductility of the TMCP steel plate got reduced by 17.33%, 23.42% and 12.87% respectively along the thickness of heat imparted zones.

Other Details

Paper ID: IJSRDV5I40993
Published in: Volume : 5, Issue : 4
Publication Date: 01/07/2017
Page(s): 1016-1022

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