ERW STEEL BLACK PIPE
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1)Outside Diameter: 10.3mm--914.4mm
2)Wall Thickness: 0.5~59.54mm
3)Length: Random 1~12m or fixed 6
4)Material quality: ASTM A106 / A53/A210, API 5L,API 5CT,DIN, EN, GB/T8162 / 8163, etc
5)Packing:Hexangular packing in bundles
6)Export: Europe, North America, the Middle East, Africa, Asia and other countries and regions, well received by consumers!
Product Name: | ERW pipe | |
Size | OD | 1/8” -24” (10.3mm-914.4mm) |
Wall Thickness | 0.5mm-59.54mm SCH30,SCH40,STD,XS,SCH80,SCH,XXS | |
Length | 1m-12m | |
Steel material | Q195,Q215,Q235,Q345,STL400,ST37-2,16Mn,X42,X52,X80,E235, Grade B, SS330,SPHC, S185,SS400,S235JR,ST52,STK500 | |
Standard | BS1387-1985,ASTM A53,ASTM A106,GB/T3091-93-2008,EN10129,JIS. | |
Usage | Used For irrigation,Structure, Accessorize And Construction | |
Ends | 1) Plain 2) Beveled 3) Threaded with Coupling & cap | |
Surface Treatment | 1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) With Oiled | |
Technique | Electronic Resistance Welded (ERW ) Electronic Fusion Welded (EFW) Double Submerged Arc Welded (DSAW) | |
Welded Line Type | Longitudinal | |
Inspection | With Hydraulic Test, Eddy Current , Infrared Test | |
Package | In Bundle with water-proof package | |
Delivery | 1) Container 2) Bulk carrier | |
Port of Shipment | Xingang Port,Tianjin, China | |
Date of Delivery | 15 days after contract | |
Payment | L/C at sight or 30% T/T | |
Others | Fitting as coupler and flange also can be supplied. | |
- Q: What are the different methods of pressure testing steel pipes?
- There are several different methods of pressure testing steel pipes, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and pressurizing it to a specified level to check for leaks or weaknesses. Pneumatic testing is similar but uses compressed air or gas instead of water. Ultrasonic testing involves using high-frequency sound waves to detect any defects or flaws in the pipe. Each method has its own advantages and is chosen based on the specific requirements and industry standards.
- Q: How are steel pipes graded?
- The quality and suitability of steel pipes are determined by grading them based on several factors. The grading system typically takes into account parameters such as the chemical composition, mechanical properties, manufacturing method, and testing standards. 1. When it comes to the chemical composition, steel pipes are graded according to the elements present in their composition. This includes the quantities of carbon, manganese, phosphorus, sulfur, and other alloying elements. The pipe's strength, corrosion resistance, and other properties are greatly influenced by its chemical composition. 2. The mechanical properties of steel pipes play a crucial role in determining their strength, flexibility, and resistance to pressure and temperature. These properties encompass tensile strength, yield strength, elongation, hardness, and impact toughness. Pipes with higher mechanical properties are generally given higher grades. 3. The manufacturing method used for steel pipes can vary, with options such as seamless, welded, or ERW (Electric Resistance Welding). The manufacturing method has an impact on the pipe's integrity, dimensional accuracy, and overall quality. For example, seamless pipes are considered to be of higher quality due to their uniformity and lack of weld seams. 4. Steel pipes are graded based on their adherence to specific testing standards. These standards ensure that the pipes meet the required quality criteria and are suitable for their intended applications. Common testing standards include ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and EN (European Norms). Taking these factors into consideration, steel pipes are often assigned alphanumeric codes or specifications for grading. For instance, pipes used in the oil and gas industry may be graded as API 5L (American Petroleum Institute), while pipes used for structural purposes may be graded as ASTM A500 (American Society for Testing and Materials). In conclusion, the grading of steel pipes is determined by their chemical composition, mechanical properties, manufacturing method, and adherence to testing standards. These grades assist customers and manufacturers in selecting the appropriate pipes for specific applications, ensuring safety, durability, and efficiency across various industries.
- Q: How are steel pipes used in the construction of railways?
- Steel pipes are used in the construction of railways for various purposes, including the installation of track support structures, drainage systems, and signaling equipment. They provide strength and durability, ensuring the stability and longevity of railway tracks, while also facilitating the efficient flow of water and the installation of crucial communication and signaling components.
- Q: What are the common uses of steel pipes in construction?
- Steel pipes are commonly used in construction for various purposes such as carrying water, gas, and sewage, as well as for structural support in building frameworks, bridges, and underground piping systems. They are also used in the transportation of fluids and materials, making them essential in industries like oil and gas, manufacturing, and infrastructure development.
- Q: How are steel pipes protected against corrosion?
- Steel pipes are protected against corrosion through various methods such as applying protective coatings, galvanizing, cathodic protection, and using corrosion inhibitors.
- Q: What are the different methods of joining steel pipes together?
- There are several methods of joining steel pipes together, each with its own advantages and disadvantages. 1. Welding: This is the most common and widely used method of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding provides a strong and durable joint, but it requires skilled labor and specialized equipment. 2. Threaded connections: Steel pipes can also be joined by threading the ends and using threaded fittings to connect them. This method is relatively easy and quick, but it may not be as strong as welding and can be prone to leakage if not properly sealed. 3. Flanged connections: Flanges are used to connect pipes by bolting them together. This method allows for easy disassembly and reassembly, making it suitable for applications that require frequent maintenance or repair. Flanged connections are also highly resistant to leakage. 4. Compression fittings: Compression fittings are used to join steel pipes by compressing a ring or ferrule onto the pipe, creating a tight seal. This method is simple and does not require heat or welding, making it ideal for applications where heat or sparks are not permissible. 5. Grooved connections: Grooved connections involve cutting grooves into the pipe ends and using mechanical couplings to secure them together. This method is fast, reliable, and allows for easy assembly and disassembly. Grooved connections are commonly used in fire protection systems. 6. Brazing: Similar to welding, brazing involves heating the pipe ends and adding a filler material to join them together. This method is often used for smaller diameter pipes and provides a strong joint. However, it requires the use of a high-temperature torch and skilled labor. Each of these methods has its own advantages and is suitable for different applications. The choice of joining method depends on factors such as the required strength, ease of installation, maintenance requirements, and the type of pipe being used.
- Q: Can steel pipes be used for offshore applications?
- Steel pipes are suitable for offshore applications. They are commonly employed in offshore industries due to their durability, strength, and resistance to corrosion. In offshore settings, such as oil and gas exploration, drilling, production, and fluid and gas transportation, steel pipes are frequently necessary. These pipes are specifically designed to endure harsh and corrosive conditions found offshore, which include exposure to saltwater, extreme temperatures, and high pressure. Moreover, steel pipes can be manufactured to meet specific requirements for offshore projects, guaranteeing safety and dependability in terms of size, thickness, and material grade. In summary, steel pipes are a dependable and extensively utilized option for offshore applications.
- Q: How are steel pipes used in offshore wind farms?
- Steel pipes are used in offshore wind farms for a variety of purposes. They are commonly used as foundation structures to support wind turbine towers, providing stability and strength in the harsh marine environment. Steel pipes are also used for subsea cables and pipelines, allowing for the transportation of electricity and other resources. Additionally, they play a crucial role in the installation of offshore wind turbines, serving as installation aids and providing access for maintenance and repair activities. Overall, steel pipes are essential components in the construction, operation, and maintenance of offshore wind farms.
- Q: Can steel pipes be used for fencing?
- Yes, steel pipes can be used for fencing. They are a popular choice for fencing due to their strength, durability, and ability to withstand harsh weather conditions. Steel pipes provide a sturdy and secure barrier, making them suitable for various fencing applications such as residential, commercial, and industrial settings.
- Q: Are steel pipes suitable for food processing facilities?
- Yes, steel pipes are suitable for food processing facilities. Steel is a durable and hygienic material that is resistant to corrosion, making it ideal for transporting food products and maintaining their quality and safety. Additionally, steel pipes are easy to clean and disinfect, further ensuring sanitation standards in food processing facilities.
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ERW STEEL BLACK PIPE
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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