Large diameter double sided submerged arc welded pipes
- 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、Structure of Welded Steel Tube:
Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.
2、Main Features of the Welded Steel Tube:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Welded Steel Tube Specification：
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 | ||
1) Material: 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
2) Specification range: OD: 406.4MM-1422MM (16”-56”)
Thickness: 8MM-50.8MM depends on OD
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.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Welded Steel Tube:
①How is the quality of your products?
We have many years business experience in this area, and we have professional engineer and manager team and sure we can provide you high quality production and professional service.
②How about price?
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?
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.
6、 Welded Steel Tube Images：
- Q: What are the advantages of using pre-fabricated steel pipes?
- There are several advantages of using pre-fabricated steel pipes in various applications. Firstly, pre-fabricated steel pipes offer a high level of durability and strength. Steel is known for its robustness and resistance to external forces, making it an ideal material for constructing pipes that need to withstand high pressure or heavy loads. This durability ensures that pre-fabricated steel pipes have a longer lifespan compared to other materials, reducing the need for frequent replacements and maintenance. Secondly, pre-fabricated steel pipes provide excellent corrosion resistance. Steel pipes are often coated with protective layers, such as galvanization or epoxy, which prevent rusting and corrosion. This corrosion resistance is particularly crucial when the pipes are used in industries or environments where they may come into contact with moisture, chemicals, or other corrosive substances. By utilizing pre-fabricated steel pipes, the risk of leaks, deterioration, or failure due to corrosion is significantly reduced. Another advantage of pre-fabricated steel pipes is their versatility and ease of installation. These pipes are manufactured to precise specifications before being delivered to the site, allowing for quick and efficient installation. Their modular nature means that they can be easily assembled, disassembled, and reconfigured as needed, making them suitable for a wide range of applications, from industrial settings to residential construction. Moreover, pre-fabricated steel pipes can be easily integrated with other building components, such as fittings, valves, and connectors, ensuring a seamless connection and reducing installation time and costs. Furthermore, pre-fabricated steel pipes are more environmentally friendly compared to other materials. Steel is a highly recyclable material, and using pre-fabricated pipes reduces the consumption of natural resources and energy required for their production. Additionally, the long lifespan of steel pipes reduces waste generation and the need for frequent replacements, further contributing to sustainability efforts. Lastly, pre-fabricated steel pipes offer cost advantages. While the initial cost of steel pipes may be higher than some other materials, their durability and low maintenance requirements result in long-term cost savings. The reduced need for repairs, replacements, and maintenance, as well as the ease of installation, translates into lower overall project costs and reduced downtime. In summary, the advantages of using pre-fabricated steel pipes include durability, corrosion resistance, versatility, ease of installation, environmental friendliness, and cost-effectiveness. These benefits make pre-fabricated steel pipes a preferred choice for various industries and applications.
- Q: What is the difference between black steel pipes and galvanized steel pipes?
- The main difference between black steel pipes and galvanized steel pipes lies in their coating. Black steel pipes are uncoated and have a dark, iron oxide layer on their surface, while galvanized steel pipes are coated with a layer of zinc to protect against corrosion. This zinc coating gives galvanized pipes a shiny, silver appearance and makes them more resistant to rust and other environmental factors.
- Q: What is the difference between carbon steel and cast iron pipes?
- Carbon steel and cast iron pipes are both widely used in various industries for different applications. The main difference between these two types of pipes lies in their composition and properties. 1. Composition: Carbon steel pipes are primarily made of iron and carbon, with trace amounts of other elements such as manganese, phosphorus, and sulfur. On the other hand, cast iron pipes are made by melting iron and adding a small amount of carbon, usually between 2-4%. 2. Strength and Durability: Carbon steel pipes are generally stronger and more durable than cast iron pipes. Carbon steel has a higher tensile strength, which means it can withstand higher pressures and is less likely to be damaged or deformed. Cast iron, although strong, is more brittle and prone to cracking. 3. Corrosion Resistance: Carbon steel pipes require additional coatings or treatments to protect them from corrosion. Without proper protection, carbon steel pipes can be susceptible to rust and corrosion, especially when exposed to moisture or aggressive substances. On the other hand, cast iron pipes have inherent corrosion resistance due to the formation of a protective layer of iron oxide (rust) on their surface. 4. Weight and Installation: Cast iron pipes are typically heavier than carbon steel pipes, making them more challenging to handle and install. Carbon steel pipes are comparatively lighter, allowing for easier transportation and installation. 5. Noise and Vibration: Cast iron pipes have superior sound-deadening properties, making them quieter when fluids flow through them. On the contrary, carbon steel pipes tend to transmit more noise and vibrations. 6. Cost: Cast iron pipes are generally more expensive than carbon steel pipes due to the additional manufacturing processes and the higher cost of raw materials. In summary, the main differences between carbon steel and cast iron pipes lie in their composition, strength, corrosion resistance, weight, noise transmission, and cost. The choice between the two depends on the specific application, budget, and environmental factors.
- Q: How are steel pipes used in natural gas processing plants?
- Steel pipes are used extensively in natural gas processing plants for various purposes, including the transportation of natural gas, the transfer of various fluids, and the construction of pipelines and infrastructure. These pipes are highly durable, resistant to corrosion, and can withstand high pressure, making them ideal for safely transporting natural gas and other substances throughout the facility.
- Q: How to distinguish between steel pipe and spiral pipe material?
- The alloy tube can be divided into: low alloy pipe, alloy pipe structure, high alloy tube, high strength tube. Bearing tube, heat resistant acid resistant stainless pipe, precision alloy (such as cutting alloy) pipe, high temperature alloy tube, etc..
- Q: Can steel pipes be used for underground geothermal systems?
- Indeed, underground geothermal systems can utilize steel pipes. Given their robustness and longevity, steel pipes are frequently employed in geothermal systems. They can endure the elevated temperatures and pressures inherent in the extraction and distribution of geothermal energy. Moreover, steel pipes exhibit excellent resistance to corrosion, a crucial attribute when contending with the subterranean milieu and the diverse array of minerals and chemicals present in the soil. Furthermore, steel pipes possess versatility, enabling straightforward underground installation and connection, rendering them a fitting selection for geothermal systems.
- Q: Are steel pipes suitable for underground installations in areas with high moisture content?
- Steel pipes are generally suitable for underground installations in areas with high moisture content. However, there are certain factors to consider when using steel pipes in such conditions. Corrosion is a major concern when steel pipes are exposed to moisture for extended periods. To mitigate this risk, it is important to use steel pipes that are specifically designed for underground installations and are coated with protective materials such as epoxy or polyethylene. These coatings act as a barrier between the steel and the surrounding moisture, preventing corrosion and extending the lifespan of the pipes. Additionally, proper installation techniques, including adequate pipe bedding and backfilling, should be followed to ensure the pipes are properly supported and protected from external forces. Regular inspection and maintenance are also recommended to identify any signs of corrosion or damage and address them promptly. Overall, with the right precautions and maintenance, steel pipes can be a suitable choice for underground installations in areas with high moisture content.
- Q: What is the difference between steel pipes and fiberglass pipes?
- The main difference between steel pipes and fiberglass pipes lies in their composition and properties. Steel pipes are made of metal and are known for their strength, durability, and resistance to high temperatures and pressure. They are commonly used in industrial settings and for transporting liquids and gases. On the other hand, fiberglass pipes are made of glass fibers embedded in a resin matrix, providing them with excellent corrosion resistance, lightweight properties, and insulation capabilities. Fiberglass pipes are often used in applications where corrosion is a concern, such as in chemical processing plants or wastewater treatment facilities.
- Q: What is PE coated steel pipe? Seek explanation
- PE pipe is a kind of thermoplastic resin with high crystallinity and non polarity.
- Q: What are the factors to consider when selecting steel pipes?
- When selecting steel pipes, there are several factors that need to be considered. These factors include the intended application, the required dimensions and specifications, the level of corrosion resistance needed, the operating temperature and pressure, the cost, and the availability of the specific type of steel pipe. It is important to carefully evaluate these factors to ensure that the selected steel pipes are suitable for the intended use and meet all the necessary requirements.
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Large diameter double sided submerged arc welded pipes
- 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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