Threaded Fasteners Part 1: Failure Modes and Design Criteria of Connections

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 primarily relates to the use of stainless steel and specialty alloy threaded fasteners in pulp, paper, biomass conversion and other industrial facilities, but reference to carbon steel and low alloy steel threaded fastener are also included since these materials are used extensively throughout the mills.

Threaded fastener joint design, installation procedures, guidelines for use, specifications, standards and identification marking are discussed.  In this paper, the term threaded fasteners is used to indicate all forms of fasteners including bolts, studs, socket head cap screws, nuts, washers, etc.

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See more of: Corrosion in Pulp, Paper, and Biomass Conversion - STG 38
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