Construction Scaffolding Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 50 Tons m.t.

Supply Capability:: 5000 Tons Per Month m.t./month

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Quick Details of Construction Scaffolding

1.Thickness: 2-4mm 2.outer diamiter: 35~60mm 3.materials:Q235/Q255/Q345

4.Surface:hot dip galvanized,painted galvanized.

the chemical composition of raw materials								the mechanical property of raw materials
item		Chemical composition %						Item	mechanical property
steel	steel number	C	Mn	S	P	Si	Al	steel	yield point Mpa min	tensile strength Mpa	elongation % min
S235GT	1.0106	< 0.20	< 1.40	< 0.045	< 0.040	< 0.05	> 0.020	S235GT	235	340--520	24
Standard: BS EN39 Loose steel tubes for tube and coupler scaffolds -- Technical delivery conditions
other material: A500 A, B, C , D. A53 A, B. S275, S355, C250, C350
1) surface treatment: galvanized , oiled, painted , bare
2) end treatment: beveled , plain , threaded
3) test:chemical component analysis, mechanical properties ,technical properties , exterior size inspection
4)application: fence. Construction.
5)certificate: SGS inspection
6)delivery time: usually in 20--30 days
7) payment term: T/T , L/C, Western Union

Application of Construction Scaffolding

Application of Construction Scaffolding

Packing of Construction Scaffolding

Q:Can steel pipes be used for structural applications?: Yes, steel pipes can be used for structural applications.

Q:Can steel pipes be used for conveying sewage and wastewater?: Indeed, sewage and wastewater can be conveyed using steel pipes. The use of steel pipes is widespread in sewage and wastewater systems owing to their robustness and resilience. They possess corrosion resistance and can endure immense pressure and flow rates. Moreover, steel pipes have the capability to manage the rigorous chemicals and pollutants found in sewage and wastewater without impairing or compromising the fluid quality. Nonetheless, it is crucial to guarantee proper coating or lining of the steel pipes to avert any potential problems concerning corrosion or contamination. Regular maintenance and inspections are equally important to detect and rectify any potential concerns that may arise within the system.

Q:Seamless steel pipe and welded pipe what is the difference?: The welded pipe is made directly from the stainless steel band by machine, and it is made of round steel or perforated by Guan Pi

Q:How do you calculate the pipe pressure loss coefficient for steel pipes?: To determine the pressure loss coefficient for steel pipes, one can utilize the widely accepted Darcy-Weisbach equation. This equation calculates the pressure loss in pipes caused by friction. It can be represented as follows: ΔP = f × (L/D) × (V^2/2g) In this equation: - ΔP represents the pressure loss in units of pressure, such as psi or Pa. - f denotes the Darcy friction factor, a dimensionless value. - L signifies the pipe length in units of length, such as feet or meters. - D represents the pipe diameter in units of length, such as feet or meters. - V indicates the fluid velocity flowing through the pipe in units of velocity, such as ft/s or m/s. - g represents the acceleration due to gravity in units of acceleration, such as ft/s² or m/s². The Darcy friction factor (f) is a dimensionless parameter that quantifies the amount of frictional resistance in the pipe. For steel pipes, this factor can be determined using the Moody diagram. The Moody diagram presents a graphical relationship between the Reynolds number (Re) and the friction factor (f) for various pipe roughness values. To calculate the pressure loss coefficient, one should find the friction factor (f) value based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is calculated as follows: Re = (ρ × V × D) / μ In this equation: - ρ represents the fluid density in units of mass per unit volume, such as lb/ft³ or kg/m³. - V denotes the fluid velocity in units of velocity, such as ft/s or m/s. - D signifies the pipe diameter in units of length, such as feet or meters. - μ represents the dynamic viscosity of the fluid in units of force per unit area per unit time, such as lb/ft·s or kg/m·s. Once the Reynolds number (Re) and the relative roughness (ε/D) are determined, one can refer to the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated using the following formula: K = f × (L/D) In this equation: - L represents the pipe length in units of length, such as feet or meters. - D denotes the pipe diameter in units of length, such as feet or meters. By utilizing the Darcy-Weisbach equation and the Moody diagram, one can accurately calculate the pressure loss coefficient for steel pipes. This calculation is crucial for the design and analysis of fluid flow systems.

Q:What is the role of steel pipes in the construction of bridges and tunnels?: The construction of bridges and tunnels heavily relies on steel pipes, which are widely used for various purposes due to their strength, durability, and versatility. When it comes to bridge construction, steel pipes are commonly utilized to fabricate the structural framework of the bridge. They act as the primary load-bearing members, providing support and stability to the entire structure. Steel pipes are particularly favored in bridge construction because of their high tensile strength, enabling them to withstand heavy loads, including the weight of vehicles and the dynamic forces generated by traffic. Steel pipes are also essential in the construction of bridge piers and abutments, which serve as the foundation and support for the bridge structure. To create sturdy foundations that can withstand the forces exerted by the bridge's weight and external factors such as wind, water currents, and seismic activity, steel pipes are often driven deep into the ground. Similarly, in tunnel construction, steel pipes play a critical role. They are extensively used for tunnel lining, which involves the installation of structural elements along the tunnel walls and roof to ensure stability and prevent soil or rock collapse. Steel pipes are commonly used as reinforcement elements, ensuring the structural integrity of the tunnel and protecting it from external pressures. Furthermore, steel pipes are utilized for underground utility systems in both bridges and tunnels. They act as conduits for various utilities, including water supply, electrical cables, gas pipelines, and communication lines. Steel pipes are ideal for these applications because of their corrosion resistance, ability to withstand high pressures, and long lifespan. In conclusion, steel pipes are crucial in the construction of bridges and tunnels as they provide strength, stability, and durability to these structures. They play a vital role in ensuring the safety and functionality of these critical infrastructure projects, allowing for efficient transportation and the seamless provision of utilities.

Q:How are steel pipes used in the aerospace manufacturing industry?: Steel pipes are used in the aerospace manufacturing industry for a variety of applications, including fuel and hydraulic systems, structural components, and engine parts. They provide durability, strength, and corrosion resistance, ensuring the safety and reliability of aircraft.

Q:How do you calculate the thermal expansion of steel pipes?: In order to determine the thermal expansion of steel pipes, it is necessary to utilize the coefficient of thermal expansion (CTE) specific to steel. The CTE represents the extent to which a material expands or contracts in response to temperature fluctuations. Typically, the average value of CTE for steel is around 12 x 10^-6 per degree Celsius (12 μm/m°C). To calculate the thermal expansion of a steel pipe, one must possess knowledge of the pipe's initial length (L0), the temperature change (ΔT), and the CTE for steel. The formula for calculating thermal expansion is as follows: ΔL = L0 * CTE * ΔT In this equation: ΔL denotes the alteration in length of the steel pipe L0 represents the initial length of the steel pipe CTE signifies the coefficient of thermal expansion for steel ΔT indicates the change in temperature For instance, suppose there is a steel pipe with an initial length of 2 meters (L0), and the temperature rises by 50 degrees Celsius (ΔT). The CTE for steel is 12 x 10^-6 per degree Celsius. ΔL = 2m * 12 x 10^-6/°C * 50°C ΔL = 0.00024m/m°C * 50°C ΔL = 0.012m Thus, when the temperature increases by 50 degrees Celsius, the steel pipe will expand by 0.012 meters or 12 millimeters. It is important to bear in mind that this calculation assumes linear expansion, which is applicable for minor temperature variations. However, for larger temperature differences or more intricate pipe systems, a more comprehensive analysis may be necessary to consider factors such as the material properties, geometry, and thermal boundary conditions of the pipes.

Q:What is the difference between hot-dip galvanizing and electroplating for steel pipes?: Hot-dip galvanizing and electroplating are two common methods used to provide corrosion protection for steel pipes, but there are key differences between the two processes. Hot-dip galvanizing involves immersing the steel pipes into a bath of molten zinc, which forms a metallurgical bond with the steel. This results in a thick and durable zinc coating that provides excellent corrosion resistance. The process of hot-dip galvanizing creates a uniform coating that covers the entire surface of the steel pipe, including both the external and internal surfaces. This makes hot-dip galvanizing particularly effective for protecting both the inside and outside of the pipes. On the other hand, electroplating is a process that involves the deposition of a thin layer of metal onto the surface of the steel pipes using an electric current. In the case of electroplating for steel pipes, typically a layer of zinc is applied. Unlike hot-dip galvanizing, electroplating does not provide a metallurgical bond between the zinc and the steel. Instead, it creates a mechanical bond, which is not as strong or durable as the bond formed through hot-dip galvanizing. The electroplated zinc layer is thinner compared to hot-dip galvanizing, which means it may not provide the same level of corrosion protection. Another difference between hot-dip galvanizing and electroplating is the application process. Hot-dip galvanizing requires immersing the steel pipes into a bath of molten zinc, which can be a time-consuming process. Electroplating, on the other hand, involves applying the zinc coating through an electrolytic cell, which can be faster and more efficient. In summary, the main difference between hot-dip galvanizing and electroplating for steel pipes lies in the thickness and durability of the coating, as well as the bonding mechanism between the zinc and the steel. Hot-dip galvanizing provides a thicker and more durable coating with a metallurgical bond, making it more effective for long-term corrosion protection. Electroplating, on the other hand, creates a thinner coating with a mechanical bond, which may be suitable for applications requiring a less robust level of corrosion resistance.

Q:How are steel pipes used in the construction of oil-fired power plants?: Steel pipes are commonly used in the construction of oil-fired power plants for various purposes. They are primarily utilized for the transportation of oil and other fluids within the plant, including fuel oil, lubricants, and cooling water. Steel pipes are also used for the installation of high-pressure steam and water lines, as well as for the construction of exhaust systems, ventilation ducts, and other structural components. Overall, steel pipes play a crucial role in ensuring the efficient and reliable operation of oil-fired power plants.

Q:Are steel pipes suitable for structural applications?: Yes, steel pipes are suitable for structural applications due to their high strength, durability, and versatility. They are commonly used in various construction projects such as buildings, bridges, and infrastructure due to their ability to bear heavy loads, resist corrosion, and withstand extreme weather conditions.

As the largest strip-steel production base in china, we can get the advantage of having the lowest goods transport cost. Our company covers an area of 80000 square meter, and transportation here is very convenient. We are mainly engaged in the manufacture and management of high frequency straight seam welded pipe. We now have 11 welded pipe production lines, with daily output of2800-3000 tons of welded pipe ranging from DN15--DN200 (1/2--8 inch),and the designed annual production capacity of 800,000 tons.

1. Manufacturer Overview
Location	Hebei,China
Year Established	2005
Annual Output Value	Above 100 Million RMB
Main Markets	Main land;Middle East;Southeast Asia
Company Certifications	ISO9001

2. Manufacturer Certificates
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
a)Trade Capacity
Nearest Port	Tianjin；Qingdao
Export Percentage	41% - 50%
No.of Employees in Trade Department
Language Spoken:	English；Chinese；Korean
b)Factory Information
Factory Size:	120mu
No. of Production Lines	11
Contract Manufacturing	OEM Service Offered；Design Service Offered
Product Price Range	High Average