The difference between zinc steel guardrail and cast iron guardrail

Guardrails are increasingly appearing in our lives. For example, schools, factories, factory areas, communities, courtyards, residential areas, shopping malls, engineering buildings, etc. mostly use hot-dip galvanized spray-coated new zinc steel guardrails. Guardrails are mainly divided into cast iron guardrails, wrought iron railings and hot-dip galvanized spray-coated guardrails, but most people don't know the difference between these guardrails. What are the specific differences?

The advantages of cast iron guardrails are that they have many styles, are relatively rough, have high carbon content, and are easy to break. The advantages of zinc steel guardrails are easy installation, not easy to rust, relatively delicate surface, low carbon content, strong toughness and distortion.

Cast iron guardrails are generally painted, and their lifespan is relatively low.

The surface of zinc steel guardrail adopts galvanizing + spraying or painting, which is generally 40-60 yuan/square meter (galvanizing can be divided into hot-dip galvanizing and cold-dip galvanizing. The outdoor iron fence with hot-dip galvanizing can be rust-free for at least 8 years, and the outdoor iron fence with cold-dip galvanizing can be rust-free for at least 5 years. Of course, hot-dip galvanizing is more expensive than cold-dip galvanizing, and spraying is the best process for iron surface treatment)

Cast iron guardrail: The material is also metal, but it is a casting. Cast products generally have a rough surface, high carbon content, and are easy to break. The appearance of cast iron guardrail is not beautiful, the visual effect is not very good, and it is easy to rust. This kind of guardrail needs regular maintenance, and the maintenance is generally painted, which is labor-intensive, time-consuming and costly. The appearance of cast iron guardrail looks thicker, but once it is damaged, it is very difficult to replace it partially, and it is almost impossible to find the same guardrail again, because the cast guardrail is mold casting, but the market is developing very fast, and some styles are eliminated very quickly, so cast iron guardrail has gradually withdrawn from the market.

Zinc steel railings are also called zinc steel railings. Their main advantages are environmental protection and low carbon. They are a new type of environmentally friendly iron railings in guardrail products. All iron railings are made of hot-dip galvanized steel as raw materials, processed and formed by special processes, and the appearance process uses electrostatic spraying surface treatment. After high-temperature baking, the appearance is bright, with good adhesion and toughness. Moreover, the color of zinc steel railings can be selected at will, the service life is very long, and no cleaning is required. Conveniently, the vertical pipe gun tip can be replaced at will if the zinc steel railing is partially damaged, which saves labor, time, and is convenient for installation and cost saving. This is well received by customers. And the pattern can be customized. Zinc steel railings use galvanizing + spraying, not painting. The price per meter is generally around 150 yuan. Outdoor iron railings with hot-dip galvanizing have a longer service life and can be rust-free for many years. Outdoor iron railings with cold-dip galvanizing are not as durable as hot-dip galvanizing. Spraying is a good appearance protective coating for iron surface treatment. Generally, such as power facilities and traffic road isolation fences, that is, road middle guardrails, this process is also used. Hot-dip galvanized spray-coated guardrails are a type of guardrail that is currently used more frequently, and are also the main type of building guardrails. The raw materials of hot-dip galvanized spray-coated guardrails are hot-dip galvanized steel, and the connection method is a combination of accessories. This connection method does not require welding, which saves the trouble of rusting at the weld, and is waterproof and rust-proof. Another advantage is that it is easy to install and transport.