A typical hot-dipped galvanized steel post lasts an average of 25 years even in the worst soil conditions. There is every reason to expect metal posts to outlast the wooden privacy fence they are supporting, resulting in less maintenance and work on the fence.
How long does it take for galvanized steel to rust?
The zinc coating of hot-dipped galvanized steel will last in the harshest soil is 35 to 50 years and in less corrosive soil 75 years or more. Although humidity affects corrosion, temperature itself has less of an impact.
How do you keep metal fence posts from rusting?
Another metal that oxidizes without rusting is zinc, and zinc is interesting because it bonds well to steel. So, if you want to give steel a coating that lasts longer than paint, cover it with a layer of zinc. And that's galvanization. Zinc prevents oxygen and water from reaching the steel beneath.Apr 2, 2020
How do you keep galvanized steel from rusting?
One of the ways in which galvanizing protects steel from corrosion is by the development of a thin barrier film of insoluble zinc corrosion products (known as a patina) on the outer surface of the galvanized steel through exposure to the atmosphere.
How long do galvanized steel posts last?
The zinc coating of hot-dipped galvanized steel will last in the harshest soil is 35 to 50 years and in less corrosive soil 75 years or more.
How long do steel posts last?
As long as they are made from pre-galvanized steel and tightly fastened, steel fencing posts are a maintenance-free option. Once coated with a protective layer of zinc, it's not uncommon for steel posts to last up to 70 years under certain conditions.
How long will a galvanized steel fence last?
What are Galvanized Chain Link Fences? Chain link mesh is galvanized to make it durable. A galvanized chain link fence may last 20 years or longer.Mar 1, 2017
Are metal posts worth it?
They are less expensive to purchase and install, and if they should bend, they can usually be bent back into place. They can be economically replaced if they are damaged beyond repair. Steel posts are the perfect choice for fences that must be strong and durable.
How much does fence post cost?
Posts of weather-resistant wood (cedar, redwood or pressure-treated pine) cost $2-$40 each depending on type of wood, length, width and quantity purchased. For example, Cobb Lumber[1] in Texas sells a 2'x6. 5' post for $3.71 and a 7"x10' corner post for $27.25. Vinyl fence posts typically cost $10-$50 or more each.
What is the size of a metal fence post?
Fence posts shall consist of one of the following for a fence over 6 1/2 feet to eight feet: four-inch by four- inch or four-inch by six-inch wood post, or 2 3/8-inch diameter steel pipe with a wall thickness of0. 130 inches; or 2 3/8-inch square standard gauge steel pipe with a wall thickness of 0.130 inches.
What are metal fence posts called?
A steel fence post, also called (depending on design or country) a T-post, a Y-post, or variants on star post, is a type of fence post or picket. They are made of steel and are sometimes manufactured using durable rail steel. They can be used to support various types of wire or wire mesh.
How thick should metal fence posts be?
Fence posts shall consist of one of the following for a fence over 6 1/2 feet to eight feet: four-inch by four- inch or four-inch by six-inch wood post, or 2 3/8-inch diameter steel pipe with a wall thickness of0. 130 inches; or 2 3/8-inch square standard gauge steel pipe with a wall thickness of 0.130 inches. 3.
How thick is a fence post?
You should choose post materials with a 4 inch width and 4 inch thickness, giving you square wooden board for you post. The height will be equal the height of your fence plus 2 to 3 feet.