Large diameter longitudinal submerged arc welded pipe API
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
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Product Description:
1. Specification of large diameter longitudinal submerged arc welded pipe:
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)Grade:API 5L GR.B, X40, X42, X52, X56, X60, X65, X70.ST37/37-2,ST33,ST35.8,ST35.4.GB 9711.1/SY5037/GB3092
3)Standard:ASTM A53,ASTM A671 ,ASTM A672 .ASTM A252 API 5L (PSL-1,PSL-2) ,API 5L 2B ,2H,2W.DIN1626,DIN17175,DIN1629.JISG 3452,JISG3457/3456,JISG3461.GB 9711.1/SY5037/GB3092
2.Size of large diameter longitudinal submerged arc welded pipe:
OD: 406.4MM-1422MM (16”-56”)
Thickness: 8MM-50.8MM depends on OD
3.Data Sheet for large diameter longitudinal submerged arc welded pipe:
Standard: APISPEC 5L
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 | ||
4. Packing & Delivery
Packing Detail: bundles with anti-rust painting and with plastic caps
Delivery Term: 30 days after receving payment or L/C
5. Products picture for large diameter longitudinal submerged arc welded pipe:
6. FAQ of large diameter longitudinal submerged arc welded pipe:
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, 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.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.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
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
- Q:Is there a weld on the outer wall of seamless steel tube?
- Seamless steel pipe's inner wall, outer wall, section, cross section can not see the weld seam. Because seamless steel pipe is a molding product, no late roll pressure, welding and other processes. No section, inner wall, outer wall or section, as long as there is weld, it is not seamless steel tube. The inner wall can not see the outer wall of welding seam, but it can be seen that the weld products are fake or polished goods. Some products can not be seen without friction and have weld seams on the outside wall. They are seamless treated steel tubes and are polished goods. The price is much different from the real seamless steel tube. Some bad wounding, confusing concepts, earn illegal profits.
- 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, cement mortar linings, and polyethylene linings. Each type of coating offers different benefits and is chosen based on factors such as the intended application, corrosion resistance requirements, and cost-effectiveness.
- Q:Can steel pipes be used for water treatment plants?
- Yes, steel pipes can be and are commonly used in water treatment plants. Steel pipes have several advantages such as high strength, durability, and resistance to corrosion, making them suitable for conveying and transporting water in water treatment processes.
- Q:Can steel pipes be used for telecommunications cables?
- No, steel pipes cannot be used for telecommunications cables. Telecommunications cables typically require materials with high electrical conductivity and insulation properties, such as copper or fiber optics. Steel pipes are not suitable for transmitting signals and would interfere with the transmission of data.
- Q:What are the common maintenance practices for steel pipes?
- Steel pipes require regular inspections, cleaning, and corrosion prevention as part of their maintenance. It is crucial to conduct inspections frequently to detect any signs of damage or wear. These inspections can involve visual assessments and non-destructive testing methods like ultrasonic or magnetic particle inspection. Scheduling inspections ensures early detection of issues, allowing for prompt resolution. Cleaning is also a vital maintenance practice for steel pipes. It involves the removal of dirt, debris, and scale that may accumulate on both the inside and outside of the pipes. Regular cleaning prevents blockages, enhances flow efficiency, and reduces the risk of corrosion. Corrosion prevention plays a significant role in maintaining steel pipes. Different methods, such as applying protective coatings, utilizing cathodic protection systems, or implementing corrosion inhibitors, can be employed to safeguard the pipes. These measures extend the pipes' lifespan and preserve their structural integrity over time. Additional maintenance practices may include repairing or replacing damaged sections of the pipes, maintaining proper insulation to prevent heat loss or gain, and monitoring the pipes for any signs of leakage or pressure drops. In summary, regular inspections, cleaning, and corrosion prevention are vital maintenance practices for steel pipes. Implementing these practices prolongs the pipes' lifespan and allows for the identification and resolution of potential issues before they cause significant damage or disruptions.
- Q:How are steel pipes used in the manufacturing of boilers and heat exchangers?
- Boilers and heat exchangers rely on steel pipes as an essential component due to their exceptional properties and capabilities. These pipes are specifically designed to endure high temperatures, pressures, and corrosive environments, making them highly suitable for these purposes. When constructing boilers, steel pipes are employed to form the main body or shell. This shell contains the water or steam that is heated to generate heat or produce steam for diverse industrial processes. The steel pipes used in boilers are typically seamless or welded, possessing precise dimensions and exceptional strength to ensure structural integrity and prevent any potential leaks. Heat exchangers, on the other hand, are devices used for transferring heat between two fluids, often with varying temperatures. Steel pipes are utilized in heat exchangers as the primary medium for heat transfer. The pipes are commonly arranged in a pattern, allowing the hot fluid to pass through one set of pipes while the cold fluid passes through another set. This arrangement facilitates efficient heat transfer between the two fluids. The use of steel pipes in boilers and heat exchangers provides numerous advantages. Firstly, steel pipes exhibit excellent thermal conductivity, enabling efficient heat transfer between the fluid and the surrounding environment. Secondly, steel pipes possess high tensile strength and can withstand high pressures, ensuring the safety and reliability of the equipment. Thirdly, steel pipes are highly resistant to corrosion, which is crucial in environments where the processed fluids are corrosive or contain impurities. Furthermore, steel pipes can be easily fabricated and customized to meet the specific requirements of boilers and heat exchangers. They can be manufactured in various sizes, lengths, and thicknesses to accommodate diverse applications. Additionally, steel pipes can be coated or lined with materials such as ceramic or epoxy to provide additional protection against corrosion or abrasion. In conclusion, steel pipes play a crucial role in the manufacturing of boilers and heat exchangers. Their exceptional properties, including high strength, thermal conductivity, and corrosion resistance, make them the optimal choice for these applications. The use of steel pipes ensures the efficient operation, safety, and longevity of boilers and heat exchangers in various industrial processes.
- Q:Are steel pipes resistant to earthquakes?
- Steel pipes are generally more resistant to earthquakes compared to other materials due to their strength and flexibility. However, their ability to withstand seismic events depends on various factors such as the design, installation, and support systems in place. Overall, steel pipes can provide a higher level of earthquake resistance, but proper engineering and construction practices are crucial to ensure their effectiveness.
- Q:How do you calculate the flow rate through a steel pipe?
- The flow rate through a steel pipe can be calculated using the formula Q = A * v, where Q is the flow rate, A is the cross-sectional area of the pipe, and v is the velocity of the fluid flowing through the pipe.
- Q:What is the difference between steel pipes and PVC pipes?
- The main difference between steel pipes and PVC pipes lies in their material composition. Steel pipes are made of a durable and strong metal alloy, while PVC pipes are made of a lightweight and flexible plastic called polyvinyl chloride. Steel pipes are typically used for heavy-duty applications that require high strength and resistance to extreme temperatures and pressure, such as in industrial settings or for transporting liquids or gases over long distances. On the other hand, PVC pipes are commonly used for residential and commercial plumbing systems due to their affordability, ease of installation, and resistance to corrosion. Additionally, PVC pipes are not suitable for high-pressure applications and have a lower heat tolerance compared to steel pipes.
- Q:How do steel pipes compare to other materials in terms of cost?
- Steel pipes are generally more cost-effective compared to other materials, as they offer a combination of durability, strength, and affordability. While initial costs may vary depending on the specific type and size of the pipe, steel pipes are often more economical in the long run due to their longevity and low maintenance requirements. Additionally, steel pipes are readily available and widely used in various industries, making them a cost-efficient choice for many applications.
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Large diameter longitudinal submerged arc welded pipe API
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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