Seamless steel tube VS. Galvanized steel tube
Keywords: seamless steel tube vs galvanized steel tube, smls tube vs gi tube
The main difference between seamless tubes (SMLS tube) and galvanized steel tubes (GI tube) is their manufacturing process and surface treatment. Here are the main differences between them:
1. Manufacturing process
Seamless steel tube: This kind of steel pipe is made by heating a steel ingot, perforating it, and then rolling it. There is no trace of welding, so it is called seamless.
Galvanized steel tube: During the manufacturing process of this steel pipe, its surface is galvanized to enhance its corrosion resistance.
2. Corrosion resistance
Galvanized steel tube: Due to the protective effect of zinc, galvanized steel pipe has strong corrosion resistance, is not easy to rust, and has a long service life, far exceeding that of seamless steel tube.
Seamless steel tube: While seamless steel tubes can also withstand higher pressures, they are generally not as corrosion-resistant as galvanized steel tubes.
3. Wear resistance:
Galvanized steel tube: Due to its strong corrosion resistance and wear resistance, it is usually used as guardrails, guardrails, balcony guardrails, etc., and is widely used in municipal projects, roads, factories, schools, development zones, gardens, squares, communities wait.
Seamless steel tube: Standard chemical and mechanical pipe. Because of its large size, it is widely used in petrochemical, machinery manufacturing and other industrial industries.
4. Load-bearing capacity
Galvanized steel tube: The corrosion resistance is stronger than that of seamless steel pipe. The load-bearing capacity of seamless steel pipe is stronger than that of galvanized steel pipe. Galvanized steel pipe is not susceptible to oxidation and rust due to the presence of galvanized layer.
Seamless steel tube: Because the pipe wall is thicker, seamless pipe has a stronger natural weight and load-bearing capacity. Galvanized steel tube is suitable for use in some outdoor places, while seamless steel pipe is suitable for the laying of underground pipelines. In fact, both can be " "Complement each other", how to choose "galvanized steel pipe" or "seamless steel pipe" depends on the specific requirements of the manufacturer.
5. Usage scenarios
Galvanized steel tube: Due to its corrosion resistance and lighter weight, it has a galvanized layer and is more beautiful. Galvanized steel tubes are usually used in situations that need to withstand higher pressure or be exposed to the environment, such as fences, guardrails, balcony guardrails, etc.
Seamless steel tube: Due to their ability to withstand higher pressures, seamless steel tubes (ASTM A53) are suitable for applications requiring high strength and pressure resistance, such as pipeline systems, bridge construction, etc.
6. Cost and weight
Galvanized steel tube: Due to the added galvanizing treatment in its manufacturing process, galvanized steel tube generally costs more than seamless steel pipe.
Seamless steel tube: Since there is no welding during its manufacturing process, seamless steel tube is naturally heavier and more costly.
In summary, seamless steel tubes and galvanized steel tubes each have their own advantages and applicable scenarios, and the selection should be based on specific usage needs.
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