Hot Galvanized scaffolding Pipe For Building With BS 1387

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O.D	O.D tolerance	W.T	Thickness Tolerance
1/2-12''	±0.3mm	1.5-12 MM	±8%
Length	3m,4m,5.8m,6m or according customers' requirements
Certificate	ISO9001-2008,EN10210,API,Raw material cert,Mill cert,Reap on site inspection report,SGS,BV
Standard	ASTM A53/ASTM A36 BS1387/BS1139/EN39/EN10219/EN10217/EN10297/EN10296/EN10025 etc
Material	Q195/215/235/345, SS330/400/500, S235JR/S235JQ/S235J2, etc
Inspection	With Hydraulic Testing, Eddy Current , Infrared Test, etc
Technique:	Welded Hot rolled,heat extrusion
Packing	in bundle or in bulk, PVC in blue or in strip
Usage	For construction, Pluid and Greenhouse
Main market:	Middle east,North and South America, East and West Europe, South and southeast Asia,Australia,Africa,
Place of Origin	China
HS code:	73063090
Productivity	2000Ton/Month
Processing	galvanzied,inner and outer stab clean,bevelled oiled,painted black threading,with coupling and plastic caps protected packing in plastic cloths,3PE,FBE,corrosion resistant coating

Q: What is the difference between seamless and ERW steel pipes?: Seamless steel pipes are made without any welded joints, resulting in a uniform and continuous structure. On the other hand, ERW (Electric Resistance Welded) steel pipes are created by welding the edges of the steel strip or coil together, forming a seam. This seam may be visible on the surface of the pipe. While seamless pipes are considered stronger and more reliable due to their uniform structure, ERW pipes are more cost-effective and commonly used for low to medium pressure applications.

Q: How do steel pipes perform in high-altitude applications?: Steel pipes perform well in high-altitude applications due to their inherent strength and durability. The high tensile strength of steel allows it to withstand the harsh conditions and extreme temperature variations experienced at high altitudes. Furthermore, steel pipes are resistant to corrosion, making them suitable for use in high-altitude environments where exposure to moisture and atmospheric gases is common. Overall, steel pipes are a reliable choice for various high-altitude applications, including oil and gas transportation, construction, and infrastructure development.

Q: Is the same specification seamless steel pipe more expensive than welded pipe?: Welded steel pipe refers to the use of steel or steel plate bending deformation into a round, square and other shapes after welding into the surface of the joint of the steel pipe. The blank used in welded steel pipe is steel or strip steel.

Q: What are the different coating options for steel pipes?: Steel pipes have numerous coating options to choose from, each serving a specific purpose and offering unique advantages. Some common coating options for steel pipes include: 1. Fusion Bonded Epoxy (FBE) Coating: FBE coating is widely used across industries due to its exceptional corrosion resistance, impact resistance, and adhesion to the pipe surface. This coating is typically applied through a heat-induced chemical reaction, resulting in a durable and protective layer. 2. Polyethylene (PE) Coating: PE coating is commonly employed for underground steel pipes as it provides superior resistance against corrosion, abrasion, and chemicals. It is applied using extrusion techniques, forming a seamless layer that prevents moisture penetration. 3. Polyurethane (PU) Coating: PU coating is renowned for its outstanding resistance to abrasion, chemicals, and harsh environmental conditions. It is frequently used for steel pipes exposed to extreme temperatures or aggressive environments. Multiple layers of PU coating can be applied to enhance protection. 4. Coal Tar Enamel (CTE) Coating: CTE coating is a traditional choice for steel pipes requiring protection against corrosion. It is a thick, black coating that effectively resists water, soil, and atmospheric corrosion. This coating is typically applied using a hot-applied method. 5. Zinc Coating: Zinc coating, also known as galvanization, is a widely used protective coating for steel pipes. It involves applying a layer of zinc to create a barrier against corrosion. Zinc coating can be applied through hot-dip galvanization or electro-galvanization techniques. 6. Concrete Coating: Concrete coating is often utilized for steel pipes in underground or submerged applications. It provides a robust protective layer against corrosion, abrasion, and mechanical damage. Concrete coating is typically applied as a cement mortar or reinforced concrete layer. These options represent just a few of the available coatings for steel pipes. The selection of a coating depends on factors such as the intended application, environmental conditions, and desired durability. Choosing the appropriate coating is crucial to ensure the longevity and performance of steel pipes in various industries.

Q: What is the role of steel pipes in the aerospace industry?: Steel pipes play a crucial role in the aerospace industry as they are used in various applications such as aircraft manufacturing, engine components, and fuel systems. These pipes are known for their high strength, durability, and resistance to extreme temperatures and pressure. They provide a reliable conduit for fluids, gases, and hydraulic systems, ensuring efficient operations and safety in aircraft. Additionally, steel pipes are utilized in structural components like landing gear, frames, and support structures due to their ability to withstand heavy loads and maintain structural integrity under dynamic conditions. Overall, steel pipes are essential in the aerospace industry for their versatility and reliability in critical systems and structures.

Q: Can steel pipes be used for firefighting systems?: Indeed, firefighting systems can utilize steel pipes. Steel pipes are frequently chosen for their robustness and ability to endure high temperatures, making them ideal for transporting water and other fire-suppressing agents. Typically, these pipes are employed in larger commercial or industrial structures that necessitate a larger flow rate and pressure for their fire protection systems. Additionally, steel pipes possess the benefit of withstanding external forces and impacts, thus ensuring the integrity of the firefighting system. Moreover, steel pipes offer the convenience of easy connection, simplifying installation and maintenance procedures. Nonetheless, it is crucial to ensure that the steel pipes employed in firefighting systems undergo appropriate treatment to prevent corrosion and rusting, as these factors may compromise their effectiveness during emergency situations. Regular inspections and maintenance are necessary to guarantee the reliability and functionality of the steel pipes within the firefighting system.

Q: Why seamless steel pipe called seamless steel pipe?: Seamless steel pipe is a hollow section, without the joint round, square, rectangular steel. Seamless steel tubes are made of ingots or billets made by piercing and are then made by hot rolling, cold rolling or cold casting. Seamless steel pipe with a hollow section, as pipe conveying fluid, compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, bike frame and construction using steel scaffolding.

Q: Can steel pipes be used for underground drainage in acidic soils?: Yes, steel pipes can be used for underground drainage in acidic soils. However, it is important to consider the type of steel used and the corrosion resistance properties to ensure longevity and prevent potential damage from the acidic environment. Additionally, protective coatings or linings can be applied to the steel pipes to enhance their resistance to corrosion in acidic soils.

Q: What are the disadvantages of using steel pipes?: One major disadvantage of using steel pipes is their susceptibility to corrosion. Over time, exposure to moisture and certain chemicals can cause the pipes to rust and weaken, leading to leaks or structural damage. Additionally, steel pipes are generally heavier and more expensive than alternative materials, making them less suitable for certain applications where weight and cost are crucial factors.

Q: What are the different pipe fittings used with steel pipes?: Some common pipe fittings used with steel pipes include couplings, elbows, tees, unions, reducers, and caps.

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