Doerken Coating Services

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The experts at Elm Plating Company offer their customers the best in Dörken-MKS® coatings. This unique process is a purely mechanical application; there are no acids or electricity involved. Because of this advantage, zinc-rich Doerken coating helps you avoid hydrogen embrittlement while attaining corrosion resistance of 1,000+ hours when tested per ASTM B117.

Our Doerken coating comes in a wide variety of colors, including: red, orange, yellow, green and any custom color you can create. Plus, our full service laboratory will guarantee that your coating will have the perfect hardness, tensile strength, microstructure and corrosion resistance. We also offer great additional services like sorting, custom packaging and excellent turnaround times.

If you work in the automotive, construction or heavy truck industries, Elm Plating is pleased to accommodate your Doerken coating needs.

For more information about our Doerken coating services, see the details below. To learn about what we can do for you, please contact Elm Plating today.

Doerken Coating Process

Dorken Corporation/Delta MKS Coating

Dorken Dip-Spin Coatings

Past Projects

• Heat Treatment & Doerken Coating of Steel Hex Flange Stud for the Automotive Industry

Doerken Coating Services Capabilities

Doerken Process	Mechanical Application Dip Spin Curing Oven
Pre-Treatment	Shot Blast Zinc Phosphate
Post-Treatment	1 or 2 Basecoats 1 Top Coat
Color	Red Orange Yellow Green Blue Purple Black White Any Custom Color
Coefficient of Friction (No Lubricant)	.25 to .45
Coefficient of Friction (Lube)	.06 to .25
Automation	Robotically Controlled Handling
Thickness Range	4 to 20 µm
Material Thickness	2 mm and up
Part Length	Up to 170 mm
Part Diameter	M5 to M36
Part Weight (Max.)	1.5 lb
Testing	Salt Spray Thickness Adhesion Torque Tension
Testing Equipment	X-Ray Eddy Current
Full Service Laboratory	Hardness Tensile Microstructure Analysis Tension Metallurgical Physical Testing
Intended Applications	High Corrosion Resistance Hydrogen Embrittlement Avoidance
Additional Services	Sorting Packaging Shipping
Production Volume	High Volume Prototype Leading to Production
Typical Lead Times Available	3 days (Single Process) 5 days (Dual Process)
Trucking	6 semis and one cargo van 200 mile radius of Jackson, Michigan

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