Silver Plating & Selective Silver Coating Services by Sargam Industries

The Hidden Challenge of Precision at Sea, Why Marine Components Need Dimensional Stability

In marine engineering, corrosion is always blamed first.
But corrosion isn’t the only reason components fail.

Sometimes, what goes wrong is invisible a few microns too much or too little on a plated surface. And under the sea, where every joint, seal, and thread depends on perfect fit, those microns can decide whether a system survives or surrenders.

Why dimensional precision matters at sea
Marine components operate under constant stress vibration, temperature shifts, and deep-sea pressure. Even a slight deviation in dimension can affect sealing surfaces, connector mating, or torque control.

For example, in a connector assembly, uneven plating thickness can cause misalignment that leads to current leakage or mechanical failure. In hydraulic fittings or threaded parts, excess build-up can prevent proper tightening.

At sea, there’s no margin for such errors.
Where plating becomes performance
Plating isn’t just about corrosion protection.
It’s also a dimensional process, one that alters surface geometry, however slightly.
That’s why Sargam Industries treats silver plating as a precision operation, not a coating task. Each plating line is calibrated to deliver controlled thickness across complex geometries inner diameters, outer diameters, threads, and edges with deviations contained well within micron-level tolerance.

Our in-house metrology and surface-profiling systems measure and validate every lot to ensure uniform deposit distribution, even on parts with irregular profiles with respect to hardness and brightness control too.

How we achieve dimensional stability
Precision fixturing — ensuring uniform current distribution on complex shapes

Automated bath monitoring — maintaining consistent temperature, pH, and current density

Controlled agitation and filtration — for even ion movement across part surfaces

Pre- and post-plating inspection — to validate plating thickness, adhesion, and dimensional accuracy

This process-level control helps our marine customers ensure interchangeability, sealing integrity, and assembly reliability across global platforms.

Precision you can’t see, but can depend on
For components that operate under the sea, performance doesn’t just depend on the right material it depends on how precisely that material was plated.
Because a micron too much at the surface can mean a millimetre too little at the depth.

At Sargam, we don’t just plate for protection, we plate for precision.
And that’s what keeps marine systems performing flawlessly, voyage after voyage.