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Reliable protection against seawater corrosion

Strong Coatings That Protect Shafts and Helps Prevent Wear

Coating of shaft
CORROSION PROTECTION

Reliable Coating for Corrosion Resistance

Protection against surface damage on water-lubricated shafts.

Water-lubricated propeller shafts operate under continuous exposure to seawater. Over time, this leads to surface pitting, corrosion, and mechanical wear, particularly in the bearing areas. These defects compromise shaft integrity and should be repaired before the damage becomes critical.

At MarineShaft, we specialize in restoring worn shafts and rudder stocks using coating, welding, and cladding techniques. Our class-approved methods, combined with extensive experience, ensure effective shaft repair and long-lasting corrosion protection.

 

Pitting on propeller shaft
Quality you can trust

Phillyclad Coating of Propeller Shafts

Phillyclad is a two-component, corrosion-resistant epoxy designed for long-term protection of water-lubricated shafts. 
Applied as a fiber-reinforced polymer that prevents seawater ingress and shields the shaft surface from corrosion. 

The coating is non-toxic, easy to apply, and bonds well to the shaft surface, while also withstanding seawater exposure and mechanical wear.

Coating on rudder stock
Fast and precise cladding method

Laser Cladding

Our robotic laser cladding system restores damaged shaft surfaces by applying a corrosion- and wear-resistant alloy with metallurgical bonding. This method rebuilds material lost due to pitting or mechanical wear, restoring the shaft to its original dimensions.

Our laser cladding method is class-approved, and this cladding method helps reduce repair time by days while offering high precision, minimal heat input, and superior resistance to future damage. We can apply several layers, each with a thickness
of 0.8 mm.

Learn more about Laser Cladding
Laser Cladding
Efficient welding

MIG and SAW Welding for Shaft Surface Build-Up

As an alternative to laser cladding or epoxy coating, we offer MIG and SAW welding to rebuild shaft surfaces. These methods are suitable when larger material volumes need to be applied, as these methods build up 5 mm or more in a single operation and do not require post-weld heat treatment.

MIG welding is typically used for shafts with a diameter of less than 300 mm, allowing us to apply stainless steel to standard carbon steel shafts, commonly used for rudder stocks, propeller shafts, and industrial winch shafts.

For shafts larger than Ø300 mm, we use SAW (Submerged Arc Welding) to apply material quickly and evenly. Both MIG and SAW are effective ways to repair worn shafts and extend their service life.

 

Corrosion protection

Epoxy Coating for Rudder Stocks

We use a two-component epoxy coating as corrosion protection for rudder stocks. The coating provides a solid barrier against seawater and wear, helping to maintain the surface in good condition. It is applied as part of the reconditioning process to extend service life and reduce future maintenance. Epoxy coating can also be applied to propeller shafts and other components.

Learn more about Rudder Equipment Repair
Blue Coating on rudder stock