Galvanized welded steel tubes with different zinc content
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 18000 m.t./month
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Specification
1、Structure of Galvanized welded steel tubes with different zinc content :
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 Galvanized welded steel tubes with different zinc content pe:
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 Galvanized welded steel tubes with different zinc content 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 Galvanized welded steel tubes with different zinc content :
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、 Galvanized welded steel tubes with different zinc content Images：
- Q: How are steel pipes used in tunnel construction?
- Steel pipes are commonly used in tunnel construction for various purposes. They are used to provide structural support by acting as reinforcements or casings for the tunnel walls. Steel pipes also serve as conduits for utilities such as water, gas, and electricity within the tunnel. Additionally, they can be used for ventilation and drainage systems, ensuring a safe and functional environment inside the tunnel. Overall, steel pipes play a crucial role in the construction and functionality of tunnels.
- Q: How do you calculate the pipe volume flow rate for steel pipes?
- In order to determine the volume flow rate of steel pipes, one must take into account the diameter of the pipe and the velocity of the fluid. The formula utilized in this calculation is Q = A * V, where Q represents the volume flow rate, A denotes the cross-sectional area of the pipe, and V represents the fluid velocity. To initiate the process, the cross-sectional area of the pipe must be determined. In the case of a circular pipe, the formula A = π * r² can be employed, where A signifies the area and r denotes the radius of the pipe. If the diameter of the pipe is provided, dividing it by 2 will yield the radius. Subsequently, the fluid velocity must be established. This can be accomplished by directly measuring the velocity using a flowmeter or by calculating it based on the properties of the fluid and the pressure drop across the pipe using the Bernoulli equation or other suitable equations. Once the cross-sectional area and fluid velocity have been determined, they can be multiplied together to ascertain the volume flow rate. It is important to maintain consistent units throughout the calculation. For instance, if the area is expressed in square meters and the velocity is in meters per second, the resulting volume flow rate will be in cubic meters per second. It is worth noting that this calculation assumes the fluid to be incompressible and flowing steadily through the pipe. If there are alterations in the fluid properties or flow conditions, additional considerations may need to be taken into account in order to accurately calculate the volume flow rate.
- Q: What are the different methods of pipe inspection for steel pipes?
- There are several methods of pipe inspection that can be used for steel pipes. Some of the commonly used methods are as follows: 1. Visual Inspection: This is the most basic form of pipe inspection where a trained inspector visually examines the exterior and interior of the pipe to identify any visible defects or abnormalities. This method is often used as a preliminary inspection before more advanced techniques are employed. 2. Magnetic Particle Inspection (MPI): MPI involves applying a magnetic field to the steel pipe and then applying iron particles to the surface. Any surface cracks or defects in the pipe will cause a leakage of magnetic flux, which can be detected by the inspector. This method is particularly effective in identifying surface defects in ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that uses high-frequency sound waves to detect internal defects or anomalies in steel pipes. A transducer is used to send ultrasonic waves into the pipe, and the reflections or echoes of the sound waves are analyzed to determine the presence of defects such as corrosion, cracks, or wall thickness variations. 4. Radiographic Testing (RT): In this method, X-rays or gamma rays are used to create an image of the internal structure of the steel pipe. The X-rays or gamma rays pass through the pipe, and the resulting image can reveal any defects, such as cracks, corrosion, or weld discontinuities. This method is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that uses electromagnetic induction to detect surface and near-surface defects in steel pipes. A coil carrying an alternating current is passed over the pipe's surface, and any changes in the electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET is a method that detects and analyzes the high-frequency acoustic signals emitted by materials when they undergo deformation or damage. In the case of steel pipes, AET can be used to monitor and identify defects such as cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These are just a few of the commonly used methods of pipe inspection for steel pipes. The choice of method depends on various factors such as the type of defect being looked for, the accessibility of the pipe, the desired level of sensitivity, and the cost and time constraints. It is often recommended to use a combination of inspection techniques to ensure a thorough assessment of the steel pipes.
- Q: How are steel pipes used in LNG terminals?
- Steel pipes are used in LNG terminals to transport liquefied natural gas from storage tanks to processing facilities or to ships for export. These pipes are highly durable and can withstand the extreme cold temperatures of LNG, ensuring safe and efficient transportation of this valuable energy resource.
- Q: What are the different methods of pipe threading for steel pipes?
- There are several methods of pipe threading for steel pipes, including manual threading, machine threading, and roll grooving. Manual threading involves using a hand-held die and a pipe vise to create threads on the pipe. Machine threading uses power-driven threading machines that can quickly and accurately create threads on steel pipes. Roll grooving, on the other hand, involves using a specialized machine that forms a groove on the pipe, eliminating the need for threading and allowing for easy installation of pipe couplings or fittings. Each method has its advantages and is chosen based on factors such as pipe size, project requirements, and efficiency.
- Q: Can steel pipes be recycled and used for other purposes?
- Yes, steel pipes can be recycled and used for other purposes. Steel is a highly recyclable material, and steel pipes are no exception. Recycling steel pipes helps to conserve natural resources and reduce the demand for new steel production. When steel pipes are recycled, they are typically sent to a recycling facility where they are sorted, cleaned, and processed. The pipes are then crushed into smaller pieces or melted down to be reshaped into new steel products. Recycled steel pipes can be used for a variety of purposes. They can be used in construction projects, such as for building bridges, roads, or buildings. They can also be used in the manufacturing of new steel products, such as automotive parts, appliances, or furniture. Additionally, recycled steel pipes can be used in the energy sector, for example, in the production of wind turbines or oil and gas pipelines. Using recycled steel pipes not only helps to reduce waste and conserve resources but also has environmental benefits. The recycling process requires less energy and produces fewer greenhouse gas emissions compared to the production of new steel. Therefore, recycling steel pipes is a sustainable option that contributes to a circular economy and helps to protect the environment.
- Q: Are steel pipes suitable for pharmaceutical manufacturing facilities?
- Yes, steel pipes are suitable for pharmaceutical manufacturing facilities. Steel pipes are commonly used in pharmaceutical manufacturing due to their excellent corrosion resistance and durability. They can withstand high pressure and temperature conditions, making them ideal for various applications such as transporting fluids, gases, and chemicals within the facility. Additionally, steel pipes can be easily cleaned and sanitized, ensuring the integrity and safety of pharmaceutical products. Furthermore, steel pipes are cost-effective and have a long service life, making them a reliable choice for pharmaceutical manufacturing facilities.
- Q: How are steel pipes used in the construction of water supply systems?
- Steel pipes are commonly used in the construction of water supply systems due to their durability, strength, and resistance to corrosion. These pipes are used to transport water from the source to various points of distribution, such as buildings, homes, and industries. Steel pipes are often buried underground or installed above ground, depending on the specific requirements of the project. Additionally, steel pipes can withstand high pressure and are suitable for carrying large volumes of water, making them a reliable choice for water supply systems.
- Q: Why should the weak electricity be pre buried with galvanized steel pipe?
- Galvanized steel is widely used in construction, machinery, coal, chemical industry, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.
- Q: What are the common methods for cleaning the inner surface of steel pipes?
- There are several common methods for cleaning the inner surface of steel pipes. Some of the most widely used methods include: 1. Mechanical Cleaning: This method involves the use of mechanical tools such as wire brushes, scrapers, or abrasive pads to physically remove debris, rust, or scale from the inner surface of the steel pipe. This method is effective for removing loose or loosely adhered contaminants. 2. Chemical Cleaning: Chemical cleaning involves the use of acidic or alkaline solutions to dissolve or loosen stubborn deposits, rust, or scale on the inner surface of steel pipes. The solution is usually circulated through the pipe for a specific period of time, allowing the chemical to react and break down the contaminants. This method is often used when mechanical cleaning is not sufficient. 3. High-Pressure Water Jetting: In this method, high-pressure water is directed through a nozzle into the steel pipe, effectively removing debris, rust, or scale from the inner surface. The force of the water jet helps dislodge and flush out the contaminants. This method is particularly efficient for cleaning pipes with complex geometries or hard-to-reach areas. 4. Shot Blasting: Shot blasting involves the use of high-speed abrasive particles propelled against the inner surface of the steel pipe to remove rust, scale, or other contaminants. This method is commonly used for larger pipes or pipes with heavy deposits. It provides a thorough and uniform cleaning by removing the surface layer of the steel along with the contaminants. 5. Ultrasonic Cleaning: Ultrasonic cleaning uses high-frequency sound waves to create microscopic bubbles in a cleaning solution. These bubbles implode upon contact with the inner surface of the steel pipe, effectively loosening and removing contaminants. This method is particularly effective for cleaning small-diameter pipes or pipes with intricate details. It is important to note that the selection of the cleaning method depends on various factors such as the type and extent of contamination, pipe size and geometry, and the desired level of cleanliness. Additionally, proper safety measures should always be taken when performing any cleaning method to ensure the protection of workers and the integrity of the steel pipes.
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Galvanized welded steel tubes with different zinc content
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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