Many varieties of practical welding steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 5000 m.t./month
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LSAW Steel Pipe
1 Size: 219-3200 mm*5-25.4mm
2 Material Q235/Q345/20#/X42-X65/J55 etc
Standard:
EN-10208-1/2, GB9711.1/2 etc.
Steel Grade:
B, X42 up to X70; L245, L290 up to L48
Usage:
Used for Steel Structure
Size:
LSAW from 219.1mm to 3200mm, thickness from 5mm to 25.4mm
Ends: Beveled ends with protector
Surface:
Bare / Varnish coating / FBE, 3PE coating DIN30670 / or by client option
Packing:
Casing, bundled shipping in containers or by break bulk vessel
Process | Longitudinal Submerged- Arc Welded Steel Pipe (DSAW -Double Submerged arc welded) |
Usage | Used for liquid delivery, such as water, gas, and oil; construction and piling |
Standard | API 5L(PSL1,PSL2), ASTM A252,EN10217, EN10219,KS F4602, KS D3583, BS, JIS, IS |
Certificate | ISO 9001:2008, ISO 14001, ISO 18001, API 5L (PSL1, PSL2),EN10217, EN10219 and so on. |
Outside Diameter | 323.9 mm-2134 mm (12"-84") |
Wall Thickness | 6 mm - 80mm |
Length | 6 – 14 m |
Grade | API 5L: GR A, GR B, X42,X46, X56, X60,X65,X70 ASTM A252 GR 1, GR 2, GR 3 EN 10219: S275, S275JR, S355JRH, S355J2H EN 10224, L235,L275,L355 |
Surface | Fusion bond Epoxy coating, Coal Tar Epoxy, 3PE, Varnish Coating, Bitumen Coating, Black Oil coating as per customer’s requirement |
Test | Chemical Component Analysis, Mechanical Properties (Tensile strength, Yield strength, Elongation), Hydrostatic Test, X-ray Test,Size Inspection. |
Mill Test Certificate | Mill Test Certificate:EN 10204/3.1B |
- Q:How are steel pipes used in the oil and gas pipeline transportation?
- Due to their durability, strength, and resistance to corrosion, steel pipes find extensive use in the oil and gas industry for pipeline transportation. Specifically designed to withstand high pressure and transport various fluids, including crude oil, natural gas, and refined petroleum products, these pipes serve three main purposes in the industry: gathering, transmission, and distribution. Gathering pipelines collect oil and gas from production wells and transport them to processing facilities. Steel pipes are chosen for their ability to endure harsh conditions at extraction sites and effectively transport fluids across long distances. Transmission pipelines, on the other hand, transport oil and gas across vast distances, even spanning countries or continents. Steel pipes are perfect for this task, excelling in handling high pressure and ensuring the efficient flow of fluids over extended distances. To safeguard against external elements and minimize damage risks, these pipes are often buried underground or submerged in water. Distribution pipelines deliver oil and gas to end-users, such as homes, businesses, and industrial facilities. Steel pipes are frequently employed in these pipelines due to their capability to handle varying demand and pressure requirements of different consumers. Though smaller in diameter compared to transmission pipelines, they still provide reliable and safe transportation of oil and gas to their final destinations. Besides their strength and durability, steel pipes used in oil and gas pipeline transportation are coated or lined with different materials to enhance corrosion resistance and reduce the risk of leaks. These protective coatings and linings ensure the pipes' longevity and preserve the integrity of the transported fluids. In summary, steel pipes play a vital role in the oil and gas industry by providing a dependable and efficient means of transporting oil and gas from production sites to processing facilities and ultimately to end-users. Their durability, strength, and resistance to corrosion make them an ideal choice for pipeline transportation in this industry.
- Q:How do you transport and store steel pipes?
- Steel pipes are typically transported using trucks, railcars, or ships. They are stored in designated areas or warehouses, either vertically or horizontally depending on their size and weight. It is important to ensure proper packaging, lifting equipment, and securing methods during transport to prevent damage or accidents. Additionally, storing steel pipes in dry, well-ventilated areas away from moisture and corrosive substances helps maintain their quality and longevity.
- Q:What is the purpose of steel pipes?
- The purpose of steel pipes is to efficiently transport fluids, gases, and solids from one location to another, providing a durable and reliable means of conveying materials in various industries such as construction, oil and gas, plumbing, and infrastructure.
- Q:How do you calculate the pipe flow rate for steel pipes?
- To calculate the pipe flow rate for steel pipes, you will need to consider various factors. Firstly, determine the inside diameter of the pipe, typically denoted as D. Next, measure the length of the pipe, denoted as L. Additionally, you will need to know the pressure drop, ΔP, across the pipe and the fluid density, ρ. Once you have this information, you can use the Darcy-Weisbach equation or the Hazen-Williams equation to calculate the flow rate. The Darcy-Weisbach equation is commonly used for pipes with turbulent flow, while the Hazen-Williams equation is often used for pipes with laminar flow. For the Darcy-Weisbach equation, the formula is: Q = (π/4) * D^2 * √(2ΔP/ρ) Where Q is the flow rate in cubic meters per second, D is the inside diameter of the pipe in meters, ΔP is the pressure drop across the pipe in pascals, and ρ is the fluid density in kilograms per cubic meter. For the Hazen-Williams equation, the formula is: Q = C * (D^2.63) * (ΔP^0.54) * (L^0.63) Where Q is the flow rate in cubic meters per second, D is the inside diameter of the pipe in meters, ΔP is the pressure drop across the pipe in pascals, L is the length of the pipe in meters, and C is the Hazen-Williams coefficient which depends on the roughness of the pipe. To accurately calculate the pipe flow rate, it is important to ensure that the units of measurement are consistent throughout the calculation. Additionally, it is crucial to have accurate measurements of the inside diameter, length, pressure drop, and fluid density to obtain reliable results.
- Q:How do you measure the thickness of steel pipes?
- To measure the thickness of steel pipes, you can use various methods depending on the level of accuracy required. One commonly used method is the ultrasonic measurement technique. Ultrasonic measurement involves using an ultrasonic thickness gauge, which emits high-frequency sound waves that travel through the pipe walls and bounce back to the gauge. The time it takes for the sound waves to travel through the pipe and return provides an accurate measurement of the thickness. This method is non-destructive and can be used on both ferrous and non-ferrous materials. Another method is the use of calipers or micrometers. This involves manually measuring the outside diameter (OD) and inside diameter (ID) of the pipe and then subtracting the ID from the OD to obtain the thickness. However, this method is less accurate compared to ultrasonic measurement. In some cases, where precision is not critical, a simple tape measure or ruler can be used to measure the outside diameter of the pipe. The thickness can then be estimated by referring to standard pipe thickness charts or tables. It is important to note that measuring the thickness of steel pipes accurately is crucial for various applications such as construction, manufacturing, and engineering. Therefore, it is recommended to use appropriate measuring tools and techniques to ensure accurate results.
- Q:What are the different types of valves used with steel pipes?
- There are several types of valves used with steel pipes, including ball valves, gate valves, globe valves, check valves, and butterfly valves.
- Q:What are the advantages of using stainless steel pipes?
- There are several advantages of using stainless steel pipes. Firstly, stainless steel is highly resistant to corrosion, making it suitable for various applications where exposure to moisture or harsh environments is a concern. Secondly, stainless steel pipes have excellent strength and durability, allowing them to withstand high pressures and temperature fluctuations. Additionally, stainless steel is hygienic and easy to clean, making it ideal for applications in the food and beverage industry. Lastly, stainless steel pipes are aesthetically pleasing and can be easily integrated into different architectural designs.
- Q:What are the common applications of steel pipes in the oil and gas industry?
- Steel pipes are commonly used in the oil and gas industry for various applications such as drilling, production, transportation, and distribution of oil and gas. They are utilized for casing and tubing in oil wells, conveying fluids in pipelines, and supporting infrastructure for refineries and processing plants. Additionally, steel pipes are crucial for offshore drilling operations and are employed in the construction of platforms and subsea pipelines.
- Q:Can steel pipes be used for high-pressure applications?
- Yes, steel pipes can be used for high-pressure applications. Steel is known for its strength and resilience, making it a suitable material for handling high-pressure fluids or gases. Additionally, steel pipes can withstand extreme temperatures and are resistant to corrosion, further enhancing their suitability for high-pressure applications.
- Q:Can steel pipes be used for sewage disposal systems?
- Yes, steel pipes can be used for sewage disposal systems. Steel pipes are commonly used for underground sewage lines due to their durability and resistance to corrosion. They can efficiently transport sewage from residential, commercial, or industrial areas to sewage treatment plants or disposal sites.
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Many varieties of practical welding steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 5000 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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