NDLI: Influence of welding procedure on the microstructure and mechanical properties of an astm a 148 gr. 80 50 steel anchor shackle.

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Influence of welding procedure on the microstructure and mechanical properties of an astm a 148 gr. 80 50 steel anchor shackle.

Content Provider	CiteSeerX
Author	Jorgea, J. C. F. Souzaa, L. F. G. Filhob, O. R. Santos Bottb, Ivani De S. Filhoc, A. M. F. Santos
Abstract	The present work is part of an extensive research program of which the main objective is the development of welding procedures for the repair of equipment used in mooring lines for offshore platforms, such as, high holding power anchors, chain links, shackles, swivels. In the present work, the effect of welding thermal cycle on the microstructure/toughness relationship of ASTM A 148 Gr. 80 50 cast steel used in anchor shackles in Brazil was studied, to allow the approval of a welding procedure by the Classification Society American Bureau of Shipping. A welded joint was produced by the SMAW process using a AWS E 7018-1 electrode of 3,25mm diameter. After welding, mechanical tests and metallographic examination were performed according to the ABS Rules. Tension, bending, hardness and Charpy-V tests were conducted in specimens cut transversally to the weld zone. The tension and bending tests were performed at room temperature to evaluate the ultimate tensile strength and ductility of the welded joint. Charpy-V tests were performed at-20oC. The notch was positioned on the plane perpendicular to the
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Subject Keyword	Steel Anchor Shackle Welding Procedure Present Work Charpy-v Test Weld Zone Mechanical Test Extensive Research Program Microstructure Toughness Relationship Anchor Shackle Thermal Cycle Chain Link Ab Rule Smaw Process Bending Test Offshore Platform Aws 7018-1 Electrode Welded Joint Room Temperature Power Anchor Plane Perpendicular Ultimate Tensile Strength Cast Steel Metallographic Examination Classification Society American Bureau Main Objective
Content Type	Text

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