Galvanized welded steel pipe for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 12000 m.t./month
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Item specifice
1、Structure of Galvanized welded steel pipe for building :
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 pipe for building :
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 Galvanized welded steel pipe for building 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 pipe for building :
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 pipe for building Images：
- Q:How are steel pipes used in the transportation of fluids?
- Steel pipes are commonly used in the transportation of fluids due to their durability and strength. They are used to carry various types of liquids and gases, such as water, oil, natural gas, and chemicals. Steel pipes are able to withstand high pressure and temperature, making them ideal for long-distance transportation of fluids. They are widely used in industries like oil and gas, water supply, and sewage systems, providing a reliable and efficient means of fluid transportation.
- Q:How do you calculate the pipe pressure drop for steel pipes?
- To calculate the pressure drop in steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe diameter, length, roughness, and the fluid flow rate. By plugging these variables into the equation, you can determine the pressure drop experienced by the fluid as it flows through the steel pipe.
- Q:What are the different types of steel pipe hangers?
- In various industries and applications, steel pipe hangers are widely used to support and secure pipes, ensuring proper alignment and preventing sagging or movement. Let's explore some of the different types of hangers available: 1. Clevis Hangers: These hangers consist of a U-shaped metal bracket called a clevis, which is connected to the supporting structure using a threaded rod. Clevis hangers allow for vertical adjustment and are commonly used in suspended piping systems. 2. Split Ring Hangers: Circular metal rings that are split on one side, split ring hangers can be easily opened and closed around the pipe to provide a secure hold. They are often used for suspending horizontal pipes. 3. Beam Clamps: Beam clamps are designed to attach to structural beams or channels, offering a secure mounting point for pipe hangers. They come in various designs, such as top flange, bottom flange, and side mount, to accommodate different installation needs. 4. Swivel Hangers: Used for supporting pipes that undergo thermal expansion or contraction, swivel hangers allow horizontal movement while still providing support and preventing excessive stress on connections. 5. Riser Clamps: Riser clamps are used to support vertical pipes or risers. Typically consisting of a metal band that wraps around the pipe and a threaded rod connecting it to the supporting structure. 6. Pipe Roller Supports: Pipe roller supports are utilized when pipes need to move horizontally due to expansion or contraction. These hangers consist of a series of rollers that allow the pipe to move freely while still providing support. 7. Pipe Saddles: Pipe saddles are U-shaped brackets that wrap around the pipe, providing support on both sides. They are often used to secure pipes to walls or other structures. These examples showcase the variety of steel pipe hangers available. Selecting the appropriate hanger for each application is crucial, taking into account factors such as pipe size, weight, location, and required movement allowance. This ensures proper support and functionality of the piping system.
- Q:Can steel pipes be used for chemical refineries?
- Yes, steel pipes can be used for chemical refineries. Steel pipes are commonly used in chemical refineries due to their high strength, durability, and resistance to corrosion. The harsh environment of a chemical refinery, which involves exposure to corrosive chemicals and extreme temperatures, requires materials that can withstand these conditions. Steel pipes are able to handle these challenges and are often chosen for their ability to transport various fluids and gases safely and efficiently. Additionally, steel pipes can be welded, which allows for easy installation and maintenance in complex refinery systems. Overall, steel pipes are a suitable choice for chemical refineries due to their robustness, corrosion resistance, and compatibility with the demanding conditions of this industry.
- Q:Can steel pipes be used for desalination plants?
- Yes, steel pipes can be used for desalination plants. Steel pipes are commonly used in desalination plants to transport and distribute water, as they are durable, resistant to corrosion, and can handle high-pressure systems.
- Q:How are steel pipes protected against soil movement or settlement?
- Various methods can be employed to safeguard steel pipes against soil movement or settlement. One prevalent approach involves the utilization of protective coatings on the pipes, which act as a barrier between the steel and the soil. By preventing direct contact and reducing the chance of corrosion, these coatings offer effective protection. Epoxy, polyethylene, and zinc are among the coatings commonly employed for this purpose. Another method entails the implementation of cathodic protection. This technique involves the installation of sacrificial anodes along the pipeline. These anodes corrode instead of the steel pipes, thus shielding them from potential harm caused by soil movement or settlement. Furthermore, ensuring proper design and installation techniques is crucial for protecting steel pipes in these scenarios. Engineers must take into account factors such as soil composition, slope stability, and the likelihood of ground movement when designing the pipeline route. Additionally, employing appropriate trenching and bedding techniques guarantees adequate support and protection against settlement. Regular inspection and maintenance play a crucial role in protecting steel pipes against soil movement or settlement. By monitoring the condition of the pipeline, including the protective coatings and cathodic protection systems, potential issues can be identified promptly, allowing for timely repairs or replacements. In conclusion, a combination of protective coatings, cathodic protection, proper design and installation techniques, and regular maintenance effectively safeguards steel pipes from soil movement or settlement.
- Q:What are the different types of valves used with steel pipes?
- There are several types of valves used with steel pipes, including ball valves, gate valves, globe valves, check valves, and butterfly valves.
- Q:How are steel pipes tested for leakage?
- Steel pipes are tested for leakage using various methods, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water or another liquid and subjecting it to high pressure to check for any leaks. Pneumatic testing, on the other hand, involves pressurizing the pipe with air or gas to detect any leakage. Ultrasonic testing utilizes sound waves to identify any defects or leaks in the pipe by measuring the time it takes for the sound waves to bounce back. These testing methods ensure that steel pipes meet the required standards and are free from any leakage.
- Q:What are the factors to consider when designing a steel pipe system?
- When designing a steel pipe system, several factors need to be considered to ensure its functionality, durability, and efficiency. These factors include: 1. Pressure and temperature requirements: Determining the maximum pressure and temperature that the steel pipe system will be exposed to is crucial. This information is essential for selecting the appropriate pipe material, thickness, and jointing method to withstand the system's operating conditions. 2. Pipe material: Choosing the right material for the steel pipe system is important. Factors such as corrosion resistance, strength, and cost should be considered. Common materials for steel pipes include carbon steel, stainless steel, and alloy steel. 3. Pipe size and thickness: Calculating the adequate pipe size and wall thickness is essential to ensure the required flow rate and pressure drop within the system. The pipe size affects the system's efficiency and must be chosen based on the anticipated flow rates and pressure losses. 4. Support and anchoring: Proper support and anchoring are critical to prevent sagging, movement, and stress on the steel pipe system. The design should consider the weight of the pipes, the fluid being transported, and any external forces that may act on the system. 5. Expansion and contraction: Steel pipes expand and contract with temperature variations, causing stress on the system. Expansion joints or loops should be incorporated to allow for thermal growth and contraction, preventing damage and distortion. 6. Fluid compatibility: Understanding the properties of the fluid being transported, such as corrosiveness, viscosity, and potential for sedimentation or scaling, is important in selecting the appropriate pipe material and protective coatings or linings. 7. Accessibility and maintenance: Consideration should be given to the accessibility of the system for installation, inspection, and maintenance purposes. Proper access points, valves, and fittings should be included in the design to allow for easy maintenance and repairs. 8. Environmental factors: The steel pipe system may be exposed to various environmental conditions, such as extreme temperatures, humidity, or corrosive substances. These factors should be considered when selecting the pipe material, protective coatings, and insulation. 9. Regulatory compliance: Compliance with applicable industry standards, codes, and regulations is essential. The design should adhere to safety guidelines and applicable building codes to ensure the pipe system's integrity and longevity. 10. Cost consideration: Finally, the overall cost of the steel pipe system, including material, installation, maintenance, and energy consumption, should be taken into account. Balancing cost-effectiveness with performance requirements is crucial in achieving an efficient and economical design. By considering these factors, engineers and designers can create a steel pipe system that is suitable for its intended purpose, ensuring its longevity, reliability, and safety.
- Q:What are the different types of steel pipe coatings for offshore applications?
- There are several types of steel pipe coatings commonly used for offshore applications. These include fusion-bonded epoxy (FBE) coatings, three-layer polyethylene (3LPE) coatings, three-layer polypropylene (3LPP) coatings, and concrete weight coatings. Each of these coatings offer different levels of protection against corrosion and abrasion in offshore environments, and the choice of coating depends on factors such as the specific offshore application, the surrounding environment, and the durability requirements.
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Galvanized welded steel pipe for building
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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