Mario van Helmond

Head of Griekspoor Thermal Coatings

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Maritime Cranes

CrO3 Free
Our coatings are free of chromium 6

Reliability and durability
Improve hydraulic cylinders in extreme conditions

Exceptional specifications
Cylinder pistons can variate from 20 cm up to 23 meters, a diameter of 1 meter and a weight of 20 tonnes.

Mario van Helmond

CEO Griekspoor Thermal Coatings

We are happy to advise how you can improve sector-specific cranes on reliability and durability

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Trusted by the industry

„To be part of a much bigger improvement which can make a huge different on the long term drives me every day." - John, Supervisor Quality

Improve reliability and durability

Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.

PDF Plan by our specialists
Get your PDF Plan to learn how you can improve your fleet on reliability and durability

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Minimum wear of seals and scrapers
Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.

High impact resistant
Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.

Reparable in case of emergency
Griekspoor Thermal Coatings develops, tests and applies hard coatings to provide the underlying product with optimal protection against corrosion and/or wear.

Overview

High corrosion- and wear resistance

Both the bond coat as the top coat are a Griekspoor developed nickel based superalloy, designed to withstand the most severe (chemical) corrosion environments.

Minimum wear of seals and scrapers

Because of the excellent wear resistant, this optimum roughness characteristic will not change during life time, which is also very important to avoid future slip/stick problems.

Impact resistant

Some high-melting elements in the coating alloy provide a micro weld connection, which guarantees a high bonding strength.

Reparable in case of emergency

Uptime is key. Because of good bonding, the coating can easily be repaired by welding.

Tested in worst case situation

Griekspoor Thermal Coatings has been working in partnership with Freudenberg for two years. The rod coatings, that were finished to varying roughnesses, show no wear or damage in worst case situations, having travelled over 5.000kms over all kinds of Freudenberg seals. Roughness values of the rod coating were unaffected over the entire duration of the test.

Learn more about the worst case situation test

Fit for all seal constructions

No special sealing requirements necessary. With the possibility of tuning the roughness characteristics to an optimum for the specified seals, optimum lubrication of these seals is guaranteed As a result the coating does not limit the choice of the seal.

Free of chromium (VI)

The search for replacement of products with hexavalent chrome, chromium(VI), is an important current issue in today’s market. Its specific compound of alloying elements assures that our coating’s material is free of chromium(VI).

Most used coatings to improve fleet

product
Material
Technique
Chemicals
Corrosion
Wear
Name
Email
Phone
Country
Last Update
Status
Action
TOPCOAT
Plasma
Chemicals
+1/2
Corrosion
++
Wear
++
Bond layer
NiCr alloy
100µm (900µm)
Top layer
Al2O3/TiO2
200µm (800µm)
Price
100%

Resistant to saltwater corrosion and wear resistant. The coating consists of a plasma-sprayed nickel-chrome adhesive layer with a minimum thickness of 100μm and an aluminium oxide/titanium oxide ceramic top layer.

Free of chromium 6

TOPCOAT ULTRA
Plasma
Chemicals
++
Corrosion
++
Wear
++1/2
Bond layer
NiCr alloy
100µm (900µm)
Top layer
Cr2O3
200µm (600µm)
Price
135%

Most used for smaller rods, exposed to less demanding circumstances, salt water, high chemical resistance and high wear resistance. The coating is tribologically similar to the standard TOPCOAT®. The colour is dark grey/green.

Free of chromium 6

TOPCOAT CCR+
HVOF
Chemicals
+++
Corrosion
+++
Wear
+++
Bond layer
TOPCOAT® 177
150µm (3000µm)
Top layer
Cr3C2
150µm (250µm)
Price
175%

Most used for big and heavy piston rods. TOPCOAT® CCR+ consists of a TOPCOAT® 177 UHCR (nickel based superalloy) HVOF sprayed intermediate coating and a chromium carbide top coating, namely TOPCOAT® CCR.

Free of chromium 6

TOPCOAT 107+
HVOF
Chemicals
+++1/2
Corrosion
+++1/2
Wear
+++
Bond layer
TOPCOAT® 177
125µm (3000µm)
Top layer
TOPCOAT® 177/WC
125µm (3000µm)
Price
140%

The highest resistance to corrosion and wear. TOPCOAT® 107+ an absolute top coating system consisting of a super alloy intermediate coating and a special blended carbide top coating. Both bond and top coatings are a Griekspoor, in house development, developed in cooperation with Dutch top corrosions experts.

Free of chromium 6

Discover all coatings

Get to know more!

Do you want to discuss your question? Our specialists are looking forward to your challenge!

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