Galvanized Steel Pipe is a steel pipe covered with zinc layer on the surface, which is made by hot-dip galvanizing or electro-galvanizing process. The zinc layer can effectively isolate the corrosive medium, significantly improve the corrosion resistance and extend the service life. Its tensile strength is ≥270MPa, and its yield strength is ≥205MPa. It has both high strength and good machinability. It is suitable for construction, industry, agriculture and other fields, such as water heating, fire protection, petrochemical pipelines and agricultural irrigation systems. It is an ideal material for extending the project life and reducing maintenance costs.

Pre Galvanized Steel Pipe is a steel pipe made by galvanizing ungalvanized narrow strip steel through continuous hot-dip galvanizing equipment and then rolling and welding. Its surface zinc layer is thin (40-200g/m²), the appearance is smooth and bright, and it has good corrosion resistance, especially suitable for dry or low-corrosion environment. The product specifications are diverse and meet many international standards. Compared with hot-dip galvanized steel pipe, its zinc layer is thinner, the production process is more flexible, and the cost is lower, but the corrosion resistance is relatively weak.

Hot Dip Galvanized Steel Pipe is a steel pipe that is immersed in molten zinc to form a dense zinc-iron alloy layer on the surface. Its coating is uniform, has strong adhesion, and excellent corrosion resistance. The life of the anti-rust layer can reach more than 50 years in suburban environments, and can also last for more than 20 years in urban or offshore areas. The product is widely used in building support, petrochemical fluid transportation, power facilities and municipal engineering. It has the advantages of high strength and low cost, and is an ideal material for outdoor engineering and industrial piping systems.

Galvanized Schedule 40 Pipe is a galvanized 40 standard steel pipe. It uses hot-dip galvanizing to form a dense zinc layer on the surface of the carbon steel pipe. It has excellent anti-corrosion performance and the zinc layer thickness is usually ≥200g/m². Its outer diameter range is 1/2"-12" (21.3-323.8mm), and the wall thickness meets the Schedule 40 standard. The pipe end can provide flat, beveled or threaded processing. The product has passed international certifications such as ASTM A53 and BS1387, and is widely used in the fields of construction, fire protection, agricultural irrigation and low-pressure fluid transportation, combining corrosion resistance and economy.

Q195 Galvanized Steel Pipe is a galvanized steel pipe based on Q195 carbon structural steel. Q195 steel has a yield strength of 195MPa, high plasticity and welding performance, and low cost. It is suitable for scenes such as building frames, scaffolding, and low-pressure fluid transportation. The zinc layer is formed by hot-dip galvanizing process, which can significantly improve corrosion resistance and extend service life.

Q235 Galvanized Steel Pipe is a galvanized steel pipe based on Q235 carbon structural steel. Q235 steel has a yield strength of 235MPa, a tensile strength of 375-460MPa, and excellent plasticity and welding properties. It is suitable for construction, machinery, pipelines and other fields. Through the hot-dip galvanizing process, a dense zinc layer is formed on the surface of the steel pipe, which significantly improves corrosion resistance and prolongs service life. The product has various specifications, a wide range of outer diameters, a wall thickness of 0.8-15mm, a length of 6-12 meters or customized, and complies with ASTM, GB and other standards. It is an ideal pipe that combines economy and reliability in engineering.

Our galvanized steel square tubes are available in a variety of sizes, wall thicknesses and zinc coatings to a variety of standards, making them ideal for structural supports, outdoor signs, docks, trailers and more. These tubes are highly resistant to corrosion and strong, and are easily bent, stamped or drilled, making them perfect for fabricating metal structures. Our experienced team ensures factory inspection and quality assurance, providing competitive prices and fast delivery.

ASTM 25*25 Galvanized Steel Square Tube is a 25mm×25mm square galvanized steel tube that meets ASTM standards. Its surface is covered with a dense zinc layer, which is formed by hot-dip galvanizing process, which can effectively isolate corrosive media and extend service life. The product has a side length of 25mm, and the wall thickness and length can be customized. It is usually used in building structures, machinery manufacturing, fences and furniture. It has high strength, corrosion resistance and aesthetics, and is an ideal material for outdoor and humid environments.

ASTM A53 Galvanized Steel Hollow Sections are galvanized hollow sections that meet the ASTM A53 standard, covering seamless and welded steel pipes (such as electric resistance welded pipes, furnace welded pipes, etc.). The hot-dip galvanizing process forms a dense zinc layer, which significantly improves corrosion resistance. The product has an outer diameter range of 1/8 inch to 26 inches (DN6-DN650), a wall thickness of 0.8-20mm, and customizable lengths. It is widely used in building structures, machinery manufacturing, fluid transportation, and agricultural engineering fields, combining high strength, corrosion resistance, and economy.

ASTM A106 Galvanized Steel Rectangular Tube is a galvanized rectangular steel tube that complies with the ASTM A106 standard. It is made of American standard carbon steel and forms a dense zinc layer through hot-dip galvanizing process, which has both high strength and corrosion resistance. Its material is divided into three grades: A, B, and C. Grade B (ASTM A106-B) has become the mainstream choice for engineering due to its moderate carbon content and excellent mechanical properties.

ASTM A500 Galvanized Steel Square Tube is a galvanized square steel tube that meets the ASTM A500 standard. It is manufactured by cold forming welding or seamless process, and the surface is hot-dip galvanized to form an anti-corrosion zinc layer. This product covers a variety of specifications from 20×20mm to 800×800mm, with a wall thickness of 2-30mm and customizable length. It has high strength, corrosion resistance and good welding performance. It is widely used in building structures, machinery manufacturing, solar brackets and agricultural facilities, and has both structural bearing and weather resistance.

Pre-Galvanized Rectangular Welded Steel Tube is a pre-galvanized rectangular welded steel tube, formed by high-frequency resistance welding process, and the surface is treated with continuous electrogalvanizing to form a 40-150g/m² zinc layer, which can effectively isolate corrosive media. The product implements international standards such as ASTM A500, and the specifications cover 20×40mm to 300×500mm rectangular cross-sections, wall thickness 1.7-16mm, length 3-12 meters, with both lightweight and high strength characteristics, and is widely used in building structures, machinery manufacturing and photovoltaic support systems, with both weather resistance and economy.