51312-01325-Threaded Fasteners: Part 2 – Fundamentals of Threaded Fasteners Friction and Lubrication Effects I

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Product Number: 51312-01325-SG

ISBN: 01325 2012 CP

Author: Robert S. Charlton

Publication Date: 2012

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Although fasteners are low cost items when fastener failures occur they can have a severe impact on the economics of plant operations. It is increasingly important to deal effectively with materials and corrosion problems even for low cost items such as threaded fasteners because of changes due to: equipment upgrades; higher capital costs; water recycling; and more aggressive process conditions. This paper relates primarily to the use of stainless steel and specialty alloy threaded fasteners in pulp paper biomass conversion and other industrial facilities but references to carbon steel and low alloy steel threaded fasteners are also included since these materials are used extensively throughout the industries. The first paper Part 1 of 2 papers on threaded fasteners was presented during Corrosion 2011 and discussed threaded fastener failure modes design criteria of connections specifications standards and identification markings. This paper which is Part 2 discusses installation methods guidelines for use and corrosion upgrading of threaded fasteners. The term threaded fasteners is used in this paper to indicate all forms of fasteners including bolts studs socket head cap screws nuts washers etc.