Application Of Corrosion-Resistant Fasteners In Marine
Application Of Corrosion-Resistant Fasteners In Marine
The harsh marine environment of salt spray, continuous moisture, immersion and ultraviolet rays places very high demands on fasteners. Standard fasteners can no longer meet these requirements because failure will lead to catastrophic consequences. Corrosion-resistant fasteners will become mainstream. They are not just simple fasteners, but also a necessary condition to ensure the long life, safety and cost-effectiveness of marine applications.
Several Factors Influence Fastener Failure:
Brine Electrolysis: Seawater is a strong electrolyte that significantly accelerates galvanic corrosion between metals.
Chloride Attack: Chloride ions aggressively penetrate the protective oxide layer, causing pitting and crevice corrosion, which is particularly dangerous in threaded joints and under fastener heads.
Abrasion: Sand, silt, and debris in the water constantly scour the surface, wearing away protective coatings and plating.
Fastener Solutions:
Stainless steel AISI 316/316L is the most common choice due to its excellent resistance to seawater and atmospheric corrosion. It is an essential material for ship structural connections. Precise positioning, secure locking, and vibration resistance are also particularly important. Two specialized fasteners are described below.
It is a simple fastener design that uses an internal spring mechanism to retract and eject the steel ball. When operating, just press the button on the handle, the steel ball will retract into the main body due to the pressure of the spring, and release the handle to release the steel ball, locking quickly and safely.
It is a fastener that can be positioned repeatedly and accurately. When operating, the handle is usually rotated or pulled, and the steel nail is retracted into the main body. When the handle is released, the steel nail returns to its original position and can be moved easily.
Choosing the right corrosion-resistant material is crucial to the integrity, safety, and longevity of any marine structure or vessel. Contact us!
CNC Machine Stabilizers
Indexing Plunger With Horizontal Mounting Flange
