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Knowledge Base

Metal, Steel, and Zinc in Anchors

Zinc-coated steel in a galvanized process is the typical and most economical method used for anchor construction. Some might add that it is the best material for making anchors.

The quality of both steel and the galvanizing process can vary dramatically. Steels vary in strength (mild through to high tensile), and in metallurgical quality (as defined in the factory, based on the raw material being used).

The mechanical process (casting, forging, milling and such) can also have a large impact on metal characteristics, behavior, and quality.

The fluke, shank roll-bar and the tip of the fluke in anchors should be made with different types of metal. Each part requires different levels of tensile and strength. The use of the right geometry helps build strength.

 In our manufacture facility, our carefully tailored anchor designs assist us in optimizing the anchor's weight to holding power ratio, and that is why, as you can see in our tables and charts below, all Viking anchors are lighter than what you would expect to find when looking at similar boat-sized anchors of our competitors.

Our anchors are MUCH lighter than those of our competitors, yet achieve an equivalent or greater holding power.

with the same or less holding power.

Using high-quality steels, working with carefully-selected vendors, and following a strict process for choosing the finest materials, we've managed to create the lightest steel anchors in the market. 

 

The shank on any anchor is a common failure point, normally bending when a high lateral load is applied, or when high side pressure is applied on the anchor. This can happen when the anchor fouls on a submarine obstacle and jams, or when wind direction suddenly changes, pushing the boat sideways.

Looking to minimize the occurrence of such scenarios, we are using only high-grade high-tensile value steel to build them.

 

Finally, anti-rust treatment.

The zinc coating preventing the steel from rusting is created using a process called "hot dip galvanizing". Other processes exist but are inferior and will result in less durable finishings.  All of our steel anchors, swivels and in general, all metal parts we manufacture, are treated with a "deep hot galvanizing" process.

Viking Steel Anchors are galvanized to a specification exceeding all industry standards.

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