Hot dip galvanized welded steel pipe for construction machinery
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 15000 m.t./month
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Specification
1、 Hot dip galvanized welded steel pipe for construction machinery
:
The surface of galvanized steel pipe welded steel pipe of hot dip galvanized layer or. Galvanized can increase the corrosion resistance of the steel tube, prolong service life. Galvanized pipe is widely used, in addition to water, gas, oil and other general low pressure fluid pipelines. It is also used in the petroleum industry, especially for offshore oil field of oil well pipe and oil pipe, chemical, coking equipment of oil heater, condensation cooler, coal run oil exchanger tube, and trestle pile, the mine tunnel support frame tube.
2、Main Features of Hot dip galvanized welded steel pipe for construction machinery
:• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 Hot dip galvanized welded steel pipe for construction machinery Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 1 - 33 mm |
Section Shape | Round |
Outer Diameter | 21 - 610mm |
Place of Origin | Tianjin, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:Q195 Q235 Q345 X42 X52
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface: galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Hot dip galvanized welded steel pipe for construction machinery
...①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
6、 Hot dip galvanized welded steel pipe for water gas Images：
- Q: Can steel pipes be used for swimming pool installations?
- Indeed, swimming pool installations can make use of steel pipes. Renowned for their robustness and power, steel pipes emerge as an apt alternative for both subterranean and aboveground swimming pool plumbing systems. These pipes possess the capacity to endure elevated water pressure and resist the deteriorating impact of pool chemicals. Moreover, steel pipes exhibit resilience against harsh weather conditions and can be effortlessly installed and maintained. Nevertheless, it remains crucial to guarantee appropriate treatment and coating of the steel pipes to avert rust and corrosion.
- Q: How are steel pipes used in the construction of offshore platforms?
- Steel pipes are extensively used in the construction of offshore platforms due to their durability, strength, and corrosion resistance. These pipes form the structural framework of the platform, providing support and stability. They are utilized for various purposes such as transporting fluids, including oil and gas, and for the installation of risers, which connect the platform to subsea equipment. Additionally, steel pipes are employed in the construction of pipelines and flowlines, facilitating the transportation of hydrocarbons from the platform to onshore facilities.
- Q: What are the different methods of pressure testing steel pipes?
- There are several methods of pressure testing steel pipes, including hydrostatic testing, pneumatic testing, and ultrasonic testing.
- Q: What is the electrical conductivity of steel pipes?
- Steel pipes have a high electrical conductivity due to the metallic nature of steel. The electrical conductivity of steel pipes can vary depending on the specific composition and properties of the steel used. Generally, steel has a conductivity ranging from 6.99 × 10^6 to 9.64 × 10^6 siemens per meter (S/m) at room temperature. This conductivity allows steel pipes to efficiently conduct electricity and be used in various applications such as electrical transmission and grounding systems.
- Q: Can steel pipes be used for wastewater treatment systems?
- Yes, steel pipes can be used for wastewater treatment systems. Steel pipes are commonly used in wastewater treatment systems due to their durability, corrosion resistance, and ability to withstand high pressures and temperatures. Additionally, steel pipes can be easily welded and have a long lifespan, making them a suitable choice for transporting and distributing wastewater within treatment facilities.
- Q: How are steel pipes protected against fire hazards?
- Steel pipes can be protected against fire hazards through various methods such as applying fire-resistant coatings, installing fire-rated insulation, and implementing fireproofing measures such as fire sprinkler systems. Additionally, proper fire safety protocols, including regular inspections and maintenance, can contribute to preventing and minimizing fire hazards in steel pipes.
- Q: Can steel pipes be used for hydroelectric power plants?
- Hydroelectric power plants can indeed utilize steel pipes. These power plants frequently employ steel pipes for a variety of purposes. The primary application of steel pipes in these plants is within the penstock, which serves as the conduit for water movement from the reservoir to the turbine. Given the high pressure experienced within the penstock, steel pipes possess the requisite strength and durability to handle both the water flow and pressure. The use of steel pipes in hydroelectric power plants is favored due to their exceptional tensile strength, resistance to corrosion, and long-lasting nature. They can withstand the demanding conditions of high pressure and water flow, thereby ensuring an efficient transfer of water from the reservoir to the turbine. Moreover, the fabrication and installation of steel pipes are straightforward and convenient. These pipes can be tailored to fit the specific requirements of a given project, and they can be joined together using welding or bolts to achieve the desired length and shape. Furthermore, when compared to alternative materials like concrete or fiberglass, steel pipes offer cost-effective advantages. They provide a reliable and economically efficient solution for water conveyance within hydroelectric power plants, thereby contributing to the overall efficiency and effectiveness of the power generation process. In conclusion, steel pipes are commonly employed in hydroelectric power plants as they possess the necessary strength, durability, and cost-effectiveness required for the efficient transfer of water from the reservoir to the turbine. They are an ideal choice for this purpose and are widely regarded as a suitable material for hydroelectric power plants.
- 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: Can steel pipes be used for power plant construction?
- Yes, steel pipes can be used for power plant construction. Steel pipes are commonly used in power plants for various applications such as steam piping, water piping, and air/gas piping. They are preferred due to their strength, durability, and ability to withstand high temperatures and pressures. Steel pipes also have excellent corrosion resistance properties, which is crucial in power plant environments where different fluids and gases are transported. Additionally, steel pipes can be easily welded, allowing for efficient installation and maintenance. Overall, steel pipes are a reliable and cost-effective choice for power plant construction.
- Q: How are steel pipes made?
- Steel pipes are made through a process called pipe manufacturing, which involves several steps. First, raw materials such as iron ore, coal, and limestone are melted in a blast furnace to produce molten iron. The molten iron is then mixed with recycled steel and processed in a basic oxygen furnace or electric arc furnace to refine its composition and remove impurities. Once the desired steel grade is achieved, it is cast into billets, which are heated and pierced to form a hollow cylindrical shape. These pierced billets are then elongated and shaped into pipes through a process called hot rolling or cold drawing. Finally, the pipes undergo various finishing operations, such as straightening, cutting, and inspection, before being ready for use in various applications.
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Hot dip galvanized welded steel pipe for construction machinery
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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