ERW Steel Pipe

ERW steel pipe, also known as Electric Resistance Welded steel pipe, is a type of steel pipe that is welded longitudinally using the resistance heating and welding technique. The ERW process involves passing a high-frequency electrical current through the raw material (i.e., steel coil) to heat and melt the edges together. The melted edges are then fused together under pressure to form a solid and continuous pipe.

ERW steel pipes are commonly used in various industries, including oil and gas, construction, and water supply. They offer several advantages over other types of steel pipes, making them a preferred choice for many applications. Some of the key benefits of ERW steel pipes are:

1. High Strength: ERW steel pipes have excellent mechanical properties, including high tensile strength and toughness, making them suitable for applications requiring high strength and resistance to stress.

2. Cost-Effective: Compared to seamless steel pipes, ERW pipes are more cost-effective due to their simpler manufacturing process. The use of high-frequency electrical currents eliminates the need for expensive tooling, resulting in lower production costs.

3. Precision and Consistency: The ERW process ensures consistent pipe dimensions and smooth surfaces, resulting in accurate and precise measurements. This makes ERW pipes suitable for applications where tight tolerances and a high level of precision are required.

4. Versatility: ERW steel pipes can be produced in various sizes, thicknesses, and lengths, making them versatile for a wide range of applications. They can also be easily customized to meet specific project requirements.

5. Easy Installation: ERW pipes are lightweight and easy to handle, making them convenient for installation and transportation. Their uniform wall thickness and straightness make them easy to align and connect during installation.

Despite their numerous advantages, ERW steel pipes also have some limitations. Due to the welding process, ERW pipes may have a slightly lower dimensional accuracy compared to seamless pipes. Additionally, the welded seam may be susceptible to corrosion, especially if not properly coated or protected. However, with the right coatings and proper maintenance, these risks can be minimized.

In conclusion, ERW steel pipes are a popular choice in various industries due to their high strength, cost-effectiveness, precision, versatility, and easy installation. They are an essential component of infrastructure projects and play a crucial role in ensuring the safe and efficient transportation of fluids and gases.

STEEL GRADE:

GR.B, X42-X56, S275 & S355 series, SS400, SS490, Gr.1,2,3, Gr.B,C,S500

Standard:

API 5L PSL1&2, EN10219, ASTM A252, ASTM A500, GB/T 13793

Size: OD60-610MM

WT: 4MM-16MM

LENGTH: 3M-12M

steel pipe