High quality galvanized welded steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 18000 m.t./month
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Specification
1、Structure of High quality galvanized welded steel pipe
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 High quality galvanized welded steel pipe
:
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 High quality galvanized welded steel pipe 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 High quality galvanized welded steel pipe
:
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、 High quality galvanized welded steel pipe Images：
- Q: How do you inspect steel pipes for defects?
- The inspection of steel pipes for defects requires a methodical approach that combines visual examination, non-destructive testing (NDT) techniques, and specialized equipment. The following are the typical steps undertaken to inspect steel pipes for defects: 1. Visual Examination: Commence by visually inspecting the external surface of the pipe, searching for any visible indications of defects, including cracks, dents, or corrosion. Particular attention should be given to welds, joints, and areas prone to stress or damage. 2. Ultrasonic Testing (UT): Ultrasonic testing is commonly employed to identify internal defects in steel pipes. This technique involves transmitting ultrasonic waves into the pipe and then interpreting the echoes received. Any irregularities in the internal structure, such as cracks or voids, can be identified and analyzed. 3. Magnetic Particle Inspection (MPI): MPI is a widely utilized technique for detecting defects on or near the surface, such as cracks, seams, or other discontinuities. This method involves applying a magnetic field to the pipe and subsequently applying ferromagnetic particles (usually iron-based) to the surface. These particles accumulate and form visible indications at areas where magnetic flux leakage is caused by defects. 4. Eddy Current Testing (ECT): Eddy current testing is suitable for detecting surface and near-surface defects in conductive materials like steel. This technique involves inducing an alternating current into the pipe and monitoring changes in the electrical currents induced by any present defects. These changes are then analyzed to identify and evaluate the defects. 5. Radiographic Testing (RT): Radiographic testing is conducted by exposing the steel pipe to X-rays or gamma rays and capturing radiographic images of the pipe. This technique allows for the detection of internal defects, such as cracks, porosity, inclusions, or variations in wall thickness. The radiographic images are subsequently examined for any indications of defects. 6. Dye Penetrant Inspection (DPI): DPI is a method used to identify defects on the surface of steel pipes. It involves applying a liquid dye to the surface, which penetrates into any surface cracks or flaws. After sufficient time for the dye to seep in and react, excess dye is removed, and a developer is applied to draw out the dye from the defects, rendering them visible. 7. Pressure Testing: Pressure testing entails pressurizing the steel pipe to a predetermined level and monitoring for any pressure drops or leaks. This test ensures that the pipe can withstand the required pressure without any structural defects. It is worth noting that the choice of inspection technique depends on various factors, such as the type of defect being sought, the size and characteristics of the pipe, and the specific industry standards and regulations. Inspection professionals with expertise in NDT methods and equipment are typically employed to ensure precise and dependable results.
- Q: Can steel pipes be used for the construction of offshore platforms?
- Yes, steel pipes can be used for the construction of offshore platforms. Steel pipes are commonly used in offshore platforms due to their durability, strength, and resistance to corrosion. They can be utilized for various purposes such as structural support, transportation of fluids, and installation of equipment. Additionally, steel pipes are readily available, cost-effective, and can withstand the harsh marine environment, making them a suitable choice for offshore platform construction.
- Q: Can steel pipes be used for conveying steam?
- Yes, steel pipes can be used for conveying steam. Steel pipes are commonly used in steam systems due to their high strength and durability, as well as their ability to withstand high temperature and pressure conditions. However, it is important to ensure that the steel pipes are properly insulated and the system is adequately designed to prevent any potential issues such as corrosion or thermal expansion.
- Q: Can steel pipes be used for scaffolding?
- Yes, steel pipes can be used for scaffolding. Steel pipes are commonly used in scaffolding due to their strength, durability, and ability to support heavy loads. They provide a stable and secure structure for workers to access elevated areas during construction or maintenance projects.
- Q: What does "spiral welded steel pipe" DN325*10 mean?
- Spiral welded steel pipe with nominal diameter of 325mm and wall thickness of 10mm
- Q: What is the role of steel pipes in power plants?
- Steel pipes play a crucial role in power plants as they are used for transporting various fluids, such as water, steam, and fuel, throughout the facility. These pipes are designed to withstand high temperatures, pressure, and corrosive environments, ensuring a safe and efficient operation of power generation equipment. They facilitate the circulation of cooling water, carry steam to drive turbines, and transport fuel to boilers, helping to generate electricity in power plants.
- Q: How are steel pipes used in the renewable energy sector?
- Steel pipes are commonly used in the renewable energy sector for various purposes. They are used in the construction of wind turbine towers, providing support and stability to the turbines. Steel pipes are also used in the transportation of natural gas, which is considered a cleaner alternative to fossil fuels. Moreover, steel pipes are used in the construction of solar power plants, where they are utilized for the distribution of water and other fluids necessary for the cooling systems. Overall, steel pipes play a crucial role in the renewable energy sector, contributing to the development and efficiency of sustainable energy sources.
- Q: What are the different types of coatings used for external protection of steel pipes?
- There are several types of coatings used for external protection of steel pipes, including but not limited to: epoxy coatings, polyurethane coatings, fusion bonded epoxy (FBE) coatings, coal tar coatings, and zinc coatings. Each coating offers unique properties and benefits, such as corrosion resistance, abrasion resistance, and UV protection, to ensure the longevity and durability of the steel pipes in various environmental conditions.
- Q: Can steel pipes be used for electrical conduit systems?
- Yes, steel pipes can be used for electrical conduit systems. Steel pipes are a popular choice for electrical conduit systems due to their durability and strength. They are capable of providing protection to electrical wires and cables from physical damage, moisture, and other environmental factors. Steel pipes also have high resistance to fire, making them suitable for installations in buildings where fire safety is a concern. However, it is important to note that steel pipes may require proper grounding to prevent electrical shocks and should comply with local building and electrical codes.
- Q: How are steel pipes used in the chemical processing industry?
- Steel pipes are commonly used in the chemical processing industry for various purposes such as transporting chemicals, gases, and liquids, as well as for structural support and containment. They are highly durable, corrosion-resistant, and can withstand high temperatures and pressures, making them ideal for handling and conveying hazardous substances safely.
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High quality galvanized welded steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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