Galvanized welded square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 8000 m.t./month
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Specification
1、Structure of Galvanized welded round tube and square rectangular tube:
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 round tube and square rectangular tube:
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 Galvanized welded round tube and square rectangular tube 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 round tube and square rectangular tube:
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 round tube and square rectangular tube Images：
- Q: What are the different methods of testing steel pipes?
- There are several methods used for testing steel pipes, including visual inspection, ultrasonic testing, radiographic testing, magnetic particle testing, and hydrostatic testing. Visual inspection involves examining the pipes for any surface defects or abnormalities. Ultrasonic testing uses sound waves to detect flaws or inconsistencies within the pipes. Radiographic testing involves using X-rays or gamma rays to produce images of the pipes and identify any defects. Magnetic particle testing uses magnetic fields and magnetic particles to detect surface or near-surface defects in the pipes. Hydrostatic testing involves pressurizing the pipes with water to ensure they can withstand the specified pressure without leaks or failures.
- Q: What is the weight and strength of steel pipes?
- The weight and strength of steel pipes differ based on their dimensions and the specific steel grade utilized. Typically, the weight of steel pipes is measured in pounds per foot or kilograms per meter. The strength of steel pipes is commonly evaluated in terms of yield strength and ultimate tensile strength. The weight of steel pipes can range from a few pounds per foot for smaller sizes to several hundred pounds per foot for larger diameters and thicker walls. Various factors, including the pipe's outer diameter, wall thickness, and length, impact the weight. For example, a 1-inch diameter steel pipe with a wall thickness of 0.125 inches may weigh approximately 0.67 pounds per foot. Conversely, a 12-inch diameter steel pipe with a wall thickness of 0.5 inches can weigh roughly 142 pounds per foot. The strength of steel pipes is determined by the grade of steel used, which can vary depending on the specific application and requirements. Commonly used steel grades for pipes include ASTM A53 for general purposes, ASTM A106 for high-temperature service, and API 5L for oil and gas transportation. These grades possess different yield strengths and ultimate tensile strengths. Yield strength denotes the amount of stress a steel pipe can endure before it starts to deform plastically. It is usually measured in pounds per square inch (psi) or megapascals (MPa). For instance, ASTM A53 Grade B steel pipe has a minimum yield strength of 35,000 psi (240 MPa), while API 5L Grade X65 steel pipe has a minimum yield strength of 65,000 psi (448 MPa). On the other hand, ultimate tensile strength signifies the maximum stress a steel pipe can withstand before fracturing. It is also measured in psi or MPa. For example, ASTM A106 Grade B steel pipe has an ultimate tensile strength of 60,000 psi (415 MPa), whereas API 5L Grade X65 steel pipe has an ultimate tensile strength of 77,000 psi (531 MPa). In conclusion, the weight and strength of steel pipes can vary based on their dimensions and the grade of steel used. The weight is influenced by factors like the pipe's diameter, wall thickness, and length, while the strength is determined by the steel's yield strength and ultimate tensile strength.
- Q: Can steel pipes be used for oil and gas transportation?
- Yes, steel pipes can be used for oil and gas transportation. Steel pipes are widely utilized in the oil and gas industry due to their strength, durability, and ability to handle high-pressure conditions. They are commonly used for transporting crude oil, natural gas, and their derivatives over long distances. Steel pipes have excellent resistance to corrosion and can withstand extreme temperatures, making them suitable for both onshore and offshore applications. Additionally, steel pipes can be easily welded, allowing for the construction of complex pipeline networks that efficiently transport oil and gas from production fields to refineries and distribution centers.
- Q: What does "DN25 PN16" mean?
- DN is nominal diameter, nominal diameter (or nominal diameter), that is, all kinds of pipe and pipe accessories of universal caliber. The same nominal diameter of the tube and pipe accessories can connect with each other, with interchangeability. It is not a real sense of the pipe diameter or diameter, although its value is closer with the pipe diameter or equivalent; in order to make the tube, pipe connection size uniform, with nominal diameter (also called nominal diameter, nominal diameter).
- Q: What are the different methods of measuring the thickness of steel pipes?
- There are several methods of measuring the thickness of steel pipes, including ultrasonic testing, magnetic particle testing, eddy current testing, and laser scanning.
- Q: Are steel pipes fire resistant?
- Indeed, steel pipes possess fire-resistant properties. Steel, being a non-combustible substance, does not ignite or aid in the propagation of flames. Moreover, steel pipes exhibit a remarkable resistance to high temperatures, allowing them to endure extreme conditions. Consequently, they are ideal for situations demanding fire resistance. Furthermore, steel is a resilient material that maintains its structural integrity and does not deteriorate when subjected to fire. Consequently, steel pipes are frequently selected for fire protection systems, including building sprinkler systems, as well as for industrial purposes when confronted with fire risks.
- Q: Can steel pipes be used for fencing or railing?
- Yes, steel pipes can be used for fencing or railing. Steel pipes are durable, strong, and resistant to weather conditions, making them a suitable choice for fencing or railing applications. They provide stability and security while also offering an aesthetically pleasing appearance. Additionally, steel pipes can be easily customized and installed, making them a popular choice for fencing and railing projects.
- Q: What are the advantages of using steel pipes in the manufacturing industry?
- There are several advantages of using steel pipes in the manufacturing industry. Firstly, steel pipes are known for their high strength and durability, making them ideal for carrying heavy loads and withstanding harsh conditions. Secondly, steel pipes have excellent resistance to corrosion, reducing the risk of leaks and ensuring a longer lifespan. Additionally, steel pipes offer a wide range of sizes and shapes, allowing for flexibility in design and easy customization. Furthermore, steel pipes are cost-effective compared to other materials, as they require minimal maintenance and have a low risk of failure. Lastly, steel pipes are environmentally friendly, as they are fully recyclable and contribute to reducing carbon emissions during manufacturing. Overall, the advantages of using steel pipes in the manufacturing industry make them a reliable and efficient choice for various applications.
- Q: What is the difference between steel pipe and concrete pipe?
- Steel pipe and concrete pipe are commonly used for various applications, but they have significant differences in material composition and properties. To begin with, the primary distinction lies in the materials utilized to manufacture these pipes. Steel pipes consist of steel, an alloy of iron and carbon. Conversely, concrete pipes are composed of a mixture of cement, aggregate (such as sand or gravel), and water. Additionally, steel pipes are renowned for their strength and durability. They can withstand high pressure, making them suitable for transporting fluids or gases under high pressure. Steel pipes also possess high resistance to corrosion, which is advantageous in environments exposed to moisture or chemicals. In contrast, concrete pipes are not as sturdy as steel pipes and are more prone to cracking or damage under high pressure. Nevertheless, they can still handle moderate pressure loads and are often employed in drainage systems or sewage applications. Another noteworthy difference is the installation process. Steel pipes are typically joined together through welding techniques like butt welding or socket welding, creating a seamless and robust connection between the pipes. Conversely, concrete pipes are often installed using rubber or gasketed joints, which are simpler to assemble and disassemble. Cost is another factor where steel and concrete pipes diverge. Steel pipes tend to be more expensive due to the higher cost of steel as a raw material and the additional labor required for welding and fabrication. On the other hand, concrete pipes are generally more cost-effective as the materials used in their production are more readily available and the installation process is simpler. In summary, the main disparities between steel pipes and concrete pipes revolve around their material composition, strength, resistance to corrosion, installation process, and cost. Steel pipes offer superior strength and durability, making them suitable for high-pressure applications and environments prone to corrosion. Concrete pipes, while not as robust, are cost-effective and commonly used in drainage systems or sewage applications.
- Q: Can steel pipes be used for underground gas storage?
- Yes, steel pipes can be used for underground gas storage. Steel pipes are commonly used in underground gas storage facilities due to their strength, durability, and resistance to corrosion. They provide a reliable and secure means of storing and transporting gas underground.
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Galvanized welded square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 8000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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