Professional Welded Steel Tube/Pipes famous company
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Product Description:
1、Structure of Welded Steel Tube ASTM DIN1829:
Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.
2、Main Features of the Seamless Pipe ASTM DIN1829:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Seamless Pipe ASTM DIN1829 Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, 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 |
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、 FAQ of Welded Steel Tube Steel Pipes:
①Quality
Our products are manufactured strictly according to national and internaional standard, and before delivered out we always take a test
on every pipe . If necessary we could provide our quality certifications and all kinds of testing report,.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②Price
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.
Why us?
We can provide both low price and good quality especially we are belong to national company could provide you the best sell-after service .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
Our Advantages:
1) Fast Delivery: lot of high quality steel pipe in stock lot of factory to produce
2) Quality Assured: Strictly acc. To International standard with System ISO certification
3) Good Service: supplied professional technical guide free of charge at anytime;
4) Reasonable Price: to be better support your business;
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
images of products：
Looking forward to doing the corporation with you
Any question, kindly feel free to contact us !
- Q: How are steel pipes used in the power generation industry?
- Steel pipes are extensively used in the power generation industry for various purposes, such as transporting steam, water, and other fluids in power plants. They provide a reliable and durable solution for the high-pressure and high-temperature conditions found in power generation systems. Steel pipes are also used for the construction of boilers, condensers, and heat exchangers, ensuring efficient heat transfer and energy production. Additionally, steel pipes are employed in the exhaust system of power plants to safely and efficiently discharge emissions. Overall, steel pipes play a critical role in the power generation industry by facilitating the transportation of fluids and contributing to the reliable and efficient operation of power plants.
- Q: How do you calculate the pipe thermal expansion for steel pipes?
- To calculate the pipe thermal expansion for steel pipes, you need to consider the coefficient of thermal expansion (CTE) of the material, the temperature change, and the length of the pipe. The CTE is a measure of how much a material expands or contracts with temperature changes. For steel, the average CTE is typically around 12 x 10^-6 per degree Fahrenheit (or 6.5 x 10^-6 per degree Celsius). However, this value can vary depending on the specific grade of steel. Next, determine the temperature change that the pipe will experience. This can be the difference between the operating temperature and the ambient temperature, or the change in temperature due to the fluid or gas flowing through the pipe. Finally, calculate the thermal expansion using the formula: Thermal Expansion = CTE x Length x Temperature Change Where: - CTE is the coefficient of thermal expansion - Length is the length of the pipe - Temperature Change is the difference in temperature For example, if you have a steel pipe with a length of 10 meters (32.8 feet) and a temperature change of 100 degrees Celsius (180 degrees Fahrenheit), and assuming a CTE of 12 x 10^-6 per degree Celsius, the thermal expansion would be: Thermal Expansion = 12 x 10^-6 x 10 x 100 = 0.012 meters (or 12 millimeters) This means the pipe would expand by 12 millimeters due to the temperature change. It's important to note that this calculation provides an estimate of the thermal expansion, but other factors such as pipe supports, restraints, and the specific application should also be considered to ensure the proper design and installation of the steel pipe system.
- Q: What is the flexibility of steel pipes?
- Steel pipes possess exceptional flexibility, rendering them highly versatile and suitable for a wide array of applications. Their flexibility is derived from the inherent properties of steel, such as its high tensile strength and ductility, enabling them to bend and endure various forms of stress without breaking or deforming. The structural integrity of steel pipes remains intact even when bent or shaped into different forms. This facilitates simpler installation and routing around obstacles, making them more adaptable for intricate plumbing or piping systems. Furthermore, the flexibility of steel pipes allows them to withstand external forces like ground movements or temperature fluctuations without sustaining significant damage. Moreover, the flexibility of steel pipes makes them ideal for applications that involve dynamic movement or expansion. In the case of oil and gas pipelines or heating and cooling systems, where temperature variations can lead to expansion and contraction, steel pipes can accommodate these changes without causing leaks or failures. Additionally, the flexibility of steel pipes contributes to their durability and longevity. The ability to endure bending and stress prevents the formation of cracks or fractures that could result in leaks or structural failures. This characteristic establishes steel pipes as a dependable choice for demanding environments, including high-pressure systems or corrosive conditions. To sum up, the flexibility of steel pipes is a crucial attribute that allows for effortless installation, adaptability to diverse conditions, and long-term reliability. Due to their remarkable flexibility, steel pipes are extensively preferred in numerous industries and applications where strength, durability, and versatility are paramount.
- Q: What are the different methods of cleaning steel pipes?
- There are several methods of cleaning steel pipes, including mechanical cleaning, chemical cleaning, and high-pressure water jetting. Mechanical cleaning involves using wire brushes, scrapers, or sandpaper to physically remove debris and rust from the pipe's surface. Chemical cleaning involves using solvents or acids to dissolve contaminants and rust, followed by flushing the pipe with water. High-pressure water jetting uses a stream of water at high pressure to remove dirt, rust, and other deposits from the pipe's interior and exterior surfaces.
- Q: What are the standard specifications for steel pipes?
- The standard specifications for steel pipes vary depending on the intended use and industry requirements. However, some common standard specifications include the pipe's size, wall thickness, material composition (such as carbon steel or stainless steel), and pressure ratings. Other specifications may include the pipe's shape, length, and surface finish. It is essential to consult relevant standards organizations, such as ASTM or ASME, to determine the specific standard specifications for steel pipes in a given application.
- Q: How are steel pipes used in the agriculture industry?
- Steel pipes are widely used in the agriculture industry for various purposes such as irrigation systems, water supply networks, and drainage systems. They are used to transport water for crop irrigation, allowing for efficient and controlled distribution. Steel pipes are also utilized in the construction of farm buildings and structures, providing support and durability. Additionally, they are commonly used in the creation of livestock handling equipment, such as pens and fences. Overall, steel pipes play a crucial role in enhancing productivity and efficiency within the agriculture industry.
- Q: Can steel pipes be used for nuclear power plants?
- Yes, steel pipes can be used for nuclear power plants. Steel pipes are commonly used for various applications in nuclear power plants, such as transporting coolant, steam, and other fluids. They are selected based on their ability to withstand high temperatures, pressures, and corrosive environments. However, specific requirements and regulations related to nuclear safety and radiation protection must be strictly followed during the design, fabrication, and installation of steel pipes in nuclear power plants.
- Q: How are steel pipes tested for pressure and leakage?
- To ensure the safety and reliability of steel pipes, various methods are employed to test them for pressure and leakage. Hydrostatic testing is a commonly used technique, whereby the pipe is filled with water and subjected to a specific pressure for a set period of time. This examination aims to detect any weaknesses or leaks by observing if there is a drop in pressure or visible water leakage. The test carefully monitors and measures the pressure, and if the pipe successfully withstands the required pressure without any signs of leakage, it is deemed to have passed. In addition to hydrostatic testing, other non-destructive methods can also be utilized. Ultrasonic testing, for instance, employs high-frequency sound waves to identify flaws or defects in the pipe material. Similarly, magnetic particle testing involves the application of a magnetic field to the pipe and inspecting it for any magnetic particles that may indicate cracks or imperfections. Furthermore, visual inspection is a crucial component of the pressure and leakage testing of steel pipes. Trained inspectors thoroughly examine both the exterior and interior surfaces of the pipe to detect any visible signs of damage, such as corrosion, cracks, or faulty welds. This visual assessment aids in identifying potential weak points that may lead to leaks or failures under pressure. In summary, a comprehensive evaluation of steel pipes for pressure and leakage involves a combination of hydrostatic testing, non-destructive methods, and visual inspection. These rigorous procedures guarantee that the pipes meet the required standards and are safe for their intended applications.
- Q: What is the difference between steel pipes and fiberglass pipes?
- Steel pipes and fiberglass pipes differ in their material composition and properties. Steel pipes are made of iron and carbon alloy, making them strong and durable. They are suitable for high-pressure applications and can withstand extreme temperatures. In contrast, fiberglass pipes are composed of glass fibers embedded in a resin matrix. They are lightweight, corrosion-resistant, and have excellent thermal insulation properties. Fiberglass pipes are commonly used in industries where corrosion or chemical resistance is required, and they are also more cost-effective for certain applications.
- Q: How are steel pipes used in the petrochemical industry?
- Steel pipes are commonly used in the petrochemical industry for various purposes such as transporting and distributing fluids and gases, as well as providing structural support for equipment. They are particularly preferred due to their high strength, durability, and resistance to corrosion, making them suitable for handling harsh and corrosive substances.
Send your message to us
Professional Welded Steel Tube/Pipes famous company
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
