LSAW Welded Steel Pipes API SPEC 5L Gr.B X40 X42 X52 X56 X60 X65 X70
- Loading Port:
- Shanghai Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
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1.Specification of LSAW Welded Steel Pipes API SPEC 5L Gr.B X40 X42 X52 X56 X60 X65 X70
1)Application: It is widely applied to line pipe in oil and sewage transportation , and it is used in Low pressure liquid and gassy transportation and it is also good Structure pipe in building and bridge field.
2)Standard: API SPEC 5L
3)Grade:API 5L GR.B, X40, X42, X52, X56, X60, X65, X70
4)Surface: Bare / Varnish coating / FBE, 3PE coating DIN30670 / or by client option
2.Size of Pipes
OD: 406.4MM-1422MM (16”-56”)
Thickness: 8MM-50.8MM depends on OD
3.Packing & Delivery
Package Detail: bundles with anti-rust painting and with plastic caps
Delivery Term: 30 days after receving payment or L/C
4. Data Sheet
Mechanical Properties
Standard | Grade | (MPa) | (MPa) | ||
Yield strength | Tensile Strength | ||||
API SPEC 5L | PSL1 | ||||
B | ≥241 | ≥414 | |||
×42 | ≥290 | ≥414 | |||
×46 | ≥317 | ≥434 | |||
×52 | ≥359 | ≥455 | |||
×56 | ≥386 | ≥490 | |||
×60 | ≥414 | ≥517 | |||
×65 | ≥448 | ≥531 | |||
×70 | ≥483 | ≥565 | |||
PSL2 | |||||
| Min | Max | Min | Max | |
B | 241 | 448 | 441 | 758 | |
×42 | 290 | 496 | 414 | 758 | |
×46 | 317 | 524 | 434 | 758 | |
×52 | 359 | 531 | 455 | 758 | |
×56 | 386 | 544 | 490 | 758 | |
×60 | 414 | 565 | 517 | 758 | |
×65 | 448 | 600 | 531 | 758 | |
×70 | 483 | 621 | 565 | 758 |
Chemical Composition(%)
Standard | Grade | C | Mn | P | S | CEV |
Max | Max | Max | Max | Max | ||
PSL1 |
- | |||||
B | 0.26 | 1.2 | 0.030 | 0.030 | ||
×42 | 0.26 | 1.3 | 0.030 | 0.030 | ||
×46,×52,×56,X60 | 0.26 | 1.4 | 0.030 | 0.030 | ||
X65 | 0.26 | 1.45 | 0.030 | 0.030 | ||
X70 | 0.26 | 1.65 | 0.030 | 0.030 | ||
PSL2 |
0.43 | |||||
B | 0.22 | 1.20 | 0.025 | 0.015 | ||
×42 | 0.22 | 1.30 | 0.025 | 0.015 | ||
×46,×52,×56, X60 | 0.22 | 1.40 | 0.025 | 0.015 | ||
X65 | 0.22 | 1.45 | 0.025 | 0.015 | ||
X70 | 0.22 | 1.65 | 0.025 | 0.015 |
5. Products Showroom
- Q: What are the advantages of using steel pipes over other materials?
- There are several advantages of using steel pipes over other materials. Firstly, steel pipes are incredibly durable and have a high tensile strength, making them resistant to extreme temperatures, pressure, and corrosion. Secondly, steel pipes have excellent structural integrity, allowing for longer spans and fewer supports. Additionally, steel pipes are highly versatile and can be easily welded, threaded, or joined, making installation and maintenance easier. Lastly, steel pipes are cost-effective in the long run as they require minimal maintenance and have a longer lifespan compared to other materials.
- Q: Are steel pipes fire-resistant?
- Yes, steel pipes are fire-resistant. Steel is a non-combustible material, which means it does not burn or contribute to the spread of fire. Steel pipes have high melting points and can withstand extreme temperatures, making them highly resistant to fire. They are commonly used in various applications where fire protection is crucial, such as fire sprinkler systems, fire hydrant systems, and fire-resistant building structures. Additionally, steel pipes are also known for their durability and strength, which further enhances their fire resistance capabilities.
- Q: How do you calculate the pipe volume flow rate for steel pipes?
- To calculate the volume flow rate of steel pipes, you need to consider the pipe's diameter and fluid velocity. The formula used for this calculation is Q = A * V, where Q represents the volume flow rate, A is the cross-sectional area of the pipe, and V is the fluid velocity. To start, you need to determine the cross-sectional area of the pipe. For a circular pipe, you can use the formula A = π * r², where A is the area and r is the radius of the pipe. If the diameter of the pipe is given, you can simply divide it by 2 to obtain the radius. Next, you need to determine the fluid velocity. This can be done by measuring the velocity directly using a flowmeter or by calculating it based on the fluid's properties and the pressure drop across the pipe using the Bernoulli equation or other appropriate equations. Once you have both the cross-sectional area and fluid velocity, you can multiply them together to find the volume flow rate. Make sure the units are consistent throughout the calculation. For example, if the area is in square meters and the velocity is in meters per second, the resulting volume flow rate will be in cubic meters per second. It is worth noting that the calculation assumes the fluid is incompressible and flows steadily through the pipe. If the fluid properties or flow conditions change, additional considerations may be required to accurately calculate the volume flow rate.
- Q: What are the factors to consider when designing a steel pipe system?
- When designing a steel pipe system, several factors need to be considered. Firstly, the intended purpose of the system and the materials that will be transported through it are crucial. This determines the required pipe diameter, thickness, and material type to ensure compatibility and prevent corrosion or leakage. Secondly, the operating conditions, such as temperature, pressure, and flow rate, must be examined to select pipes with suitable strength and resistance properties. Additionally, factors like environmental conditions, including soil characteristics and exposure to chemicals or natural elements, should be evaluated to determine the necessary protective coatings or insulation. Lastly, considerations like installation requirements, regulatory compliance, and maintenance accessibility should be taken into account to design a practical and efficient steel pipe system.
- Q: How are steel pipes coated for aesthetic purposes?
- Steel pipes can be coated for aesthetic purposes in several ways. One common method is through the application of a powder coating. Powder coating involves spraying a dry powder onto the surface of the steel pipe and then heating it to create a durable and attractive finish. This process allows for a wide range of color options and provides a smooth, even coating. Another method used for aesthetic coating is electroplating. Electroplating involves immersing the steel pipe in a solution containing metal ions, such as chrome or zinc, and passing an electric current through it. This causes the metal ions to bond with the surface of the pipe, creating a thin, decorative layer. Electroplating can produce a variety of finishes, including shiny, reflective surfaces or more matte, textured appearances. Painting is also a common method for coating steel pipes for aesthetic purposes. This involves applying a liquid paint or enamel to the surface of the pipe. By choosing different colors, textures, and finishes, painting allows for a wide range of aesthetic possibilities. However, it is important to ensure that the paint used is specifically formulated to adhere to metal surfaces and withstand the environmental conditions the pipe will be exposed to. In addition to these methods, steel pipes can also be coated using techniques such as hot-dip galvanizing or metal cladding. These processes involve the application of a layer of another metal, such as zinc or aluminum, to the surface of the steel pipe. This not only enhances the appearance of the pipe but also provides protection against corrosion, extending its lifespan. Overall, there are multiple methods available for coating steel pipes for aesthetic purposes. Each method offers its own advantages and can be chosen based on the desired appearance, durability, and environmental conditions. It is important to consider factors such as color, texture, finish, and protective properties when selecting the coating method to ensure the desired aesthetic result is achieved.
- Q: What are the different types of steel pipes available?
- In the market, one can find a variety of steel pipes catering to specific needs in different applications. Some commonly used steel pipes include: 1. Carbon Steel Pipes: These pipes, primarily composed of carbon, are the most prevalent type. They are utilized in a wide range of applications such as fluid and gas transportation, structural purposes, and plumbing. 2. Stainless Steel Pipes: These pipes are manufactured using an alloy that contains a substantial amount of chromium, providing excellent resistance to corrosion. Industries like oil and gas, chemical processing, and food processing rely heavily on stainless steel pipes. 3. Alloy Steel Pipes: These pipes, as the name suggests, consist of an alloy containing a combination of various elements like chromium, molybdenum, and nickel. They offer improved strength, durability, and resistance to high temperatures, making them suitable for applications in power plants, refineries, and petrochemical industries. 4. Galvanized Steel Pipes: To safeguard against corrosion, these pipes are coated with a layer of zinc. Due to their exceptional rust resistance and long-lasting durability, galvanized steel pipes find common usage in plumbing systems, water supply lines, and outdoor structures. 5. Seamless Steel Pipes: These pipes are manufactured without any welded seams and are often preferred for applications requiring high pressure, high temperature, or a smooth inner surface. Industries such as oil and gas, automotive, and aerospace frequently utilize seamless steel pipes. 6. Welded Steel Pipes: These pipes are created by welding two steel pieces together. They are available in various shapes and sizes and commonly used in construction, water supply systems, and general engineering applications. 7. ERW (Electric Resistance Welded) Steel Pipes: These pipes are produced by passing a high-frequency electric current through a steel strip and then welding the edges together. ERW steel pipes find wide usage in oil and gas transportation, structural applications, and fencing. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: These pipes are formed by bending and welding a steel plate into a cylindrical shape. LSAW steel pipes are commonly employed in large-scale infrastructure projects such as oil and gas pipelines and bridge construction. To summarize, the market offers a variety of steel pipes, including carbon steel, stainless steel, alloy steel, galvanized steel, seamless steel, welded steel, ERW steel, and LSAW steel pipes. The choice of steel pipe type depends on specific application requirements, such as resistance to corrosion, strength, temperature, and pressure resistance.
- Q: How do you connect steel pipes together?
- Various industries commonly employ several methods to connect steel pipes together. One frequently utilized technique is welding, which involves the heating of the steel pipe ends and their subsequent joining using a welding rod or wire. This method results in a robust and enduring connection that can withstand high pressures and temperatures. Threading, another method, entails cutting threads into the ends of the steel pipes. These threaded ends can then be screwed together using pipe fittings such as couplings or unions. Threading is particularly advantageous for smaller diameter pipes as it allows for easy disassembly and reassembly. Flanges also serve as a means to connect steel pipes. These flat, circular discs with holes can be bolted together, providing a secure connection. Flanges are especially suitable for large diameter pipes or those that require frequent disconnection for maintenance or repairs. Pipe fittings, such as couplings, tees, elbows, or reducers, can also be employed for connecting steel pipes. These fittings, typically composed of steel or other materials, are designed for welding, threading, or utilizing other connection methods like grooving or compression. It is important to consider various factors, such as pipe size, application, required strength, and adherence to industry standards or codes, when selecting the appropriate method for joining steel pipes. Consulting with a qualified professional or referring to industry-specific guidelines is essential in making this decision.
- Q: What connections are there for concrete filled steel tubular column foundations?
- The Liang Duan local widening joint is achieved by the continuous construction of longitudinal steel bars around the steel tube. At the beginning of the creation of additional stirrups should be widened longitudinal reinforced wrap, Liang Duan local widened joints of steel reinforced concrete beam and corbel overlapping transition zone can transmits beam internal force, bending steel bracket in both shear and participation. The node form is used in building engineering in Xiamen. The force transfer path of this joint is clear and reliable, with less welding on site and more convenient for construction. This kind of node passes shear stress through the bracket, and the stress is more concentrated.
- Q: Can steel pipes be used for hydropower generation?
- Yes, steel pipes can be used for hydropower generation. Steel pipes are often used in the construction of hydroelectric power plants to transport water from a higher elevation to lower areas, where the water's kinetic energy is converted into mechanical energy to generate electricity. The durability and strength of steel pipes make them suitable for this purpose, as they can withstand the high pressure and flow rates of water in hydropower systems.
- Q: How are steel pipes inspected for quality?
- Steel pipes are inspected for quality through a rigorous process that involves various techniques and standards. One common method is visual inspection, where trained professionals examine the pipes for any visible defects such as cracks, dents, or surface irregularities. This visual inspection ensures that the pipes meet the required specifications and are free from any visible flaws. Additionally, non-destructive testing (NDT) methods are employed to evaluate the internal and external quality of the steel pipes. One widely used NDT technique is ultrasonic testing, which involves sending ultrasonic waves through the pipes to detect any internal defects or inconsistencies in the material. This method can identify issues like wall thickness variations, inclusions, or weld defects that may compromise the pipe's integrity. Another popular NDT technique is magnetic particle inspection, which uses magnetic fields and iron particles to identify surface cracks or flaws in the steel pipes. This method is particularly effective for detecting defects in ferromagnetic materials and can be performed on both the outside and inside surfaces of the pipes. Furthermore, hydrostatic testing is often conducted to evaluate the pipes' strength and resistance to pressure. In this process, the pipes are filled with water or another suitable fluid and subjected to a specified pressure to check for leaks or structural weaknesses. This test helps ensure that the pipes are capable of withstanding the intended operational conditions without failure. In addition to these techniques, various quality control measures are implemented throughout the manufacturing process, including material traceability, dimensional checks, and chemical composition analysis. These measures help guarantee that the steel pipes meet the required standards and specifications, ensuring their quality and reliability. Overall, the inspection of steel pipes for quality involves a combination of visual inspection, non-destructive testing methods, and quality control measures. These comprehensive procedures help identify any defects, inconsistencies, or weaknesses, ensuring that the pipes meet the necessary quality standards and are fit for their intended purpose.
1. Manufacturer Overview
Location | Wuxi, China |
Year Established | 1980 |
Annual Output Value | Above Three Million To Five Million RMB |
Main Markets | Main land |
Company Certifications | Certificate of Conformity; API 5CT |
2. Manufacturer Certificates
a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability
a) Trade Capacity | |
Nearest Port | Shanghai |
Export Percentage | 30%-40% |
No.of Employees in Trade Department | 1400 People |
Language Spoken: | English; Chinese |
b) Factory Information | |
Factory Size: | 1500 square meters |
No. of Production Lines | Above 14 |
Contract Manufacturing | CNPC;Sinopec Group |
Product Price Range | Average |
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LSAW Welded Steel Pipes API SPEC 5L Gr.B X40 X42 X52 X56 X60 X65 X70
- Loading Port:
- Shanghai Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
OKorder Service Pledge
OKorder Financial Service
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