2017 seamless steel tubes and pipes fort coupling stock of casing and boiler
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 6000 m.t./month
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Product Description:
1、Structure of Welded Black ERW Steel Pipe:
ERW steel pipe is electric resistance welding, the abbreviation for ERW for transporting oil and natural gas vapor liquid objects, can meet the requirements of high and low pressure, the transport in the world with pipe sector accounted for a pivotal position.
2、Main Features of Welded Black ERW Steel Pipe:
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
• Small inertia resistance
• Strong heat dissipation ability
3、 Welded Black ERW Steel Pipe Images：
Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
4、Welded Black ERW Steel Pipe Specification：
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Standard | GB, DIN, ASTM |
Grade | B、Q235 |
Thickness | 1 - 33 mm |
Section Shape | Round |
Outer Diameter | 21 - 610 mm |
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:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
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:black lacquered,varnish coating or galvanized.
5.Ends:Beveled or square cut,plastic capped,painted.
6.Packing:bundles wrapped with strong steel strip,seaworthy packing.
- Q: What are the different types of hangers used for supporting steel pipes?
- Supporting steel pipes requires the use of various hangers, each with its own distinctive design and purpose. Some commonly used types include: 1. Clevis Hangers: These hangers consist of a U-shaped loop that attaches to a support structure using a threaded rod. The pipe is then secured in place with a bolt. Clevis hangers are ideal for vertical pipe runs and provide excellent stability and support. 2. Split Ring Hangers: Designed with a split ring that wraps around the pipe, these hangers can be easily installed and adjusted. They are suitable for different pipe sizes and applications. 3. Pipe Clamps: Simple and versatile, pipe clamps consist of a metal clamp that wraps around the pipe and is secured to a support structure using screws or bolts. They come in various designs to accommodate different pipe sizes and ensure stability. 4. Beam Clamps: These hangers are specifically designed for overhead support beams or structures. They feature a clamp that wraps around the beam and attaches to the pipe using a threaded rod or bolt. Beam clamps are commonly used in industrial and commercial settings for horizontal pipe runs. 5. Roller Hangers: When pipe movement is necessary due to thermal expansion or contraction, roller hangers are used. They allow the pipe to move freely while still providing support, making them suitable for long pipe runs or areas with significant temperature variations. 6. Spring Hangers: Designed to support pipes and absorb vibrations or shocks, spring hangers consist of a spring element attached to a support structure and a rod or rod assembly that supports the pipe. They are often used to reduce noise or prevent damage caused by vibrations. These examples represent just a few of the hangers available for supporting steel pipes. The selection of a hanger depends on factors such as pipe size, weight, location, and specific installation requirements. It is recommended to consult with a professional or engineer to ensure the appropriate hangers are chosen for each specific application.
- Q: How do you calculate the pipe volume for steel pipes?
- To calculate the volume of a steel pipe, you need to know its length and the inner diameter of the pipe. The formula to calculate the volume of a cylindrical shape, like a pipe, is V = πr^2h, where V is the volume, π is a mathematical constant approximately equal to 3.14159, r is the radius of the pipe (which is half of the inner diameter), and h is the length of the pipe. Firstly, measure the inner diameter of the pipe using a measuring tape or a caliper. Divide this value by 2 to obtain the radius. Next, measure the length of the pipe in either inches, feet, or meters. Ensure that you use the same unit of measurement for both the radius and length. Once you have the radius and length, plug them into the formula V = πr^2h. For example, let's say the inner diameter of the steel pipe is 10 inches and the length is 50 feet. First, divide the inner diameter by 2 to find the radius: 10 / 2 = 5 inches. Next, convert the length to inches: 50 feet * 12 inches/foot = 600 inches. Now, plug the values into the formula: V = 3.14159 * 5^2 * 600. Calculating the volume: V = 3.14159 * 25 * 600 = 47,123.85 cubic inches. Therefore, the volume of the steel pipe is approximately 47,123.85 cubic inches.
- Q: What is the minimum temperature that steel pipes can handle?
- The minimum temperature that steel pipes can handle depends on the specific grade and composition of the steel. Generally, steel pipes can handle extremely low temperatures without experiencing any significant issues. In fact, many types of steel are specifically designed to withstand extremely cold temperatures, making them suitable for various applications in industries such as oil and gas, construction, and cryogenics. However, it is important to note that at extremely low temperatures, steel may become more brittle, which can affect its mechanical properties. Therefore, it is essential to carefully select the appropriate grade of steel and consider any specific requirements or limitations for the intended application when determining the minimum temperature that steel pipes can handle.
- Q: How are steel pipes threaded?
- Steel pipes are typically threaded using a threading machine or a hand-held die. The process involves cutting grooves on the outer surface of the pipe to create a spiral pattern, allowing the pipe to be easily connected to fittings or other pipes.
- Q: What are the advantages of using steel pipes in construction projects?
- Using steel pipes in construction projects offers numerous benefits. Firstly, the strength and durability of steel pipes are remarkable. With a high tensile strength, they can withstand heavy loads and pressures without any deformation or breakage. This makes them ideal for projects that require structural integrity, such as building construction, bridge building, and infrastructure development. Secondly, steel pipes exhibit exceptional resistance to corrosion. They are typically coated with protective layers, like galvanized zinc or epoxy, which prevent rusting and extend their lifespan. Consequently, steel pipes are suitable for both aboveground and underground applications, including water and sewage systems, oil and gas pipelines, and industrial processing plants. Furthermore, steel pipes offer great versatility in terms of shape and size. They can be manufactured in various diameters and thicknesses, allowing for customization to meet specific project requirements. This flexibility in design makes steel pipes suitable for a wide range of applications in construction, including plumbing, HVAC systems, and structural supports. Moreover, steel pipes are relatively easy to install and maintain. They can be welded, threaded, or bolted together, providing a secure and leak-proof connection. This ease of installation reduces construction time and labor costs. Additionally, steel pipes require minimal maintenance, as they are resistant to cracking, chipping, and warping. This makes them a cost-effective choice over the long term. Lastly, steel pipes are environmentally friendly. They are 100% recyclable, meaning they can be reused and repurposed without compromising their structural integrity. By recycling steel pipes, the demand for new raw materials is reduced, and waste generation is minimized. Therefore, steel pipes are a sustainable option for construction projects. In summary, the advantages of using steel pipes in construction projects encompass their strength, corrosion resistance, versatility, ease of installation and maintenance, and environmental sustainability. These attributes make steel pipes a reliable and cost-effective choice for a wide range of applications in the construction industry.
- Q: Can steel pipes be used for gas lines?
- Yes, steel pipes can be used for gas lines. Steel pipes are commonly used for gas lines due to their high strength and durability, making them suitable for transporting natural gas or propane safely and efficiently.
- Q: What are the typical lengths of steel pipes?
- The typical lengths of steel pipes vary depending on their intended use and application. However, common lengths for steel pipes range from 18 to 24 feet (5.5 to 7.3 meters).
- Q: What are the different types of coatings used for internal lining of steel pipes?
- There are several types of coatings commonly used for the internal lining of steel pipes, including epoxy coatings, polyurethane coatings, and cement mortar linings. These coatings are applied to protect the steel pipes from corrosion, improve the flow of fluids, and enhance the longevity and durability of the pipes.
- Q: What are the disadvantages of using steel pipes?
- One major disadvantage of using steel pipes is their susceptibility to corrosion. Over time, exposure to moisture and certain chemicals can cause the steel to rust, leading to structural weakness and potential leaks. Another drawback is the high cost of steel pipes compared to alternative materials such as plastic or copper. Additionally, steel pipes are relatively heavy and can be challenging to handle and transport.
- Q: What are the different grades of steel used in manufacturing pipes?
- The different grades of steel used in manufacturing pipes are typically categorized based on their chemical composition and mechanical properties. Some common grades include carbon steel, stainless steel, alloy steel, and duplex steel. Each grade has its own unique characteristics and is chosen based on the specific requirements of the application, such as corrosion resistance, strength, and temperature resistance.
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2017 seamless steel tubes and pipes fort coupling stock of casing and boiler
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 6000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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