Seamless pipe of various materials
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
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1、Structure of Seamless pipe of various materials
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe. Seamless steel pipe has a hollow section, a large number of pipes used for conveying fluid, such as oil, natural gas, gas, water and some solid materials, etc
2、Main Features of Seamless pipe of various materials
• High manufacturing accuracy
• Small inertia resistance
• Good visual effect
• Reasonable price
3、 Seamless pipe of various materials Specification:
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
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 Seamless pipe of various materials
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.
6、 Seamless pipe of various materials Images:
- Q: How do steel pipes handle thermal expansion and contraction?
- The unique properties and design of steel pipes enable them to handle thermal expansion and contraction. When exposed to high temperatures, steel pipes expand as the molecules in the material gain energy and become more active. Conversely, when exposed to low temperatures, steel pipes contract as the molecules lose energy and become less active. To accommodate these changes, steel pipes are manufactured with specific features. One such feature is the inclusion of clearance between pipe joints. This clearance allows for expansion and contraction without causing stress or deformation in the pipe. Additionally, expansion joints or flexible connectors are used within the piping system to absorb thermal movements and prevent damage. Moreover, steel pipes are commonly installed with appropriate anchoring and support systems. These systems are designed to allow the pipes to expand and contract within a certain range without exerting excessive stress or strain on the structure or surrounding components. Anchoring and support systems also help maintain the overall stability and integrity of the piping system. In certain cases, thermal insulation materials are applied to steel pipes to minimize temperature changes and mitigate the effects of expansion and contraction. These insulating materials assist in maintaining a consistent temperature within the pipe, thereby reducing the magnitude of thermal movements. Overall, due to their inherent strength and flexibility, steel pipes are well-equipped to handle thermal expansion and contraction. With proper design, installation, and maintenance, steel pipes can effectively accommodate temperature changes without compromising their structural integrity or functionality.
- Q: Can steel pipes be used for both high-pressure and low-pressure systems?
- Yes, steel pipes can be used for both high-pressure and low-pressure systems. Steel pipes are known for their strength and durability, making them suitable for various applications. They are capable of withstanding high pressures without deformation or leakage, while also being reliable for low-pressure systems.
- Q: What are the common problems or issues faced with steel pipes?
- Common problems or issues faced with steel pipes include corrosion, leakage, cracking, and scaling. Corrosion can occur due to exposure to moisture, chemicals, or environmental factors, leading to reduced structural integrity and potential leaks. Leakage can result from faulty welds, damaged seals, or pipe degradation. Cracking can occur due to excessive stress, temperature fluctuations, or manufacturing defects, compromising the pipe's strength. Scaling or buildup of mineral deposits can also restrict flow and affect performance. Regular inspection, maintenance, and proper coating or lining can help mitigate these issues.
- Q: How are steel pipes sized and classified?
- Steel pipes are sized and classified based on their outer diameter, wall thickness, and length. The sizing is done using standard measurements such as nominal pipe size (NPS) or nominal diameter (DN). Classification is determined by factors such as the pipe's pressure rating, material composition, and intended use. This helps ensure compatibility and proper installation in various applications such as plumbing, construction, and industrial processes.
- Q: What steel pipes are buried for outdoor heating pipes? Seamless or welded tube? Are there any rules for specific countries? Can use the seamed tube?
- Screw on the line, mainly anti-corrosion and insulation, seamless pipe caliber restrictions, so the price is high, with the most affordable screw can meet the requirements, 377 and 273 of the spiral 3920 yuan / ton, straight seam is about 4350
- Q: What is the bending strength of steel pipes?
- The bending strength of steel pipes refers to the ability of a steel pipe to withstand bending forces without breaking or permanently deforming. The bending strength of steel pipes can vary depending on various factors such as the type and grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are known for their high strength and durability, making them suitable for a wide range of applications. The bending strength of steel pipes is typically expressed in terms of the maximum bending moment or the maximum stress that the pipe can withstand without failure. To determine the bending strength of a steel pipe, engineers and manufacturers use various testing methods such as three-point or four-point bending tests. These tests apply a known force or moment to the pipe and measure its deflection or stress response. The bending strength of steel pipes can also be influenced by the pipe's mechanical properties, including yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which play a vital role in its bending strength. It is important to note that the bending strength can vary depending on the specific application and load conditions. For example, pipes used in structural or load-bearing applications may require higher bending strength compared to pipes used for plumbing or conveyance purposes. In summary, the bending strength of steel pipes is determined by various factors such as the type and grade of steel, diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to evaluate the bending strength of steel pipes, ensuring their suitability for different applications and load conditions.
- Q: What are the different methods of welding steel pipes?
- There are several methods of welding steel pipes, including arc welding, TIG (tungsten inert gas) welding, MIG (metal inert gas) welding, and oxy-fuel welding. Each method has its own advantages and applications, depending on factors such as the thickness of the steel, the desired strength of the weld, and the available equipment.
- Q: What is the difference between hot-dipped galvanized and electro-galvanized steel pipes?
- Hot-dipped galvanized steel pipes are coated with a thick layer of zinc by immersing them in a bath of molten zinc, creating a durable and corrosion-resistant coating. On the other hand, electro-galvanized steel pipes are coated with a thinner layer of zinc through an electroplating process, offering a more economical and aesthetically pleasing option.
- Q: What are the different types of corrosion that can affect steel pipes?
- There are several types of corrosion that can affect steel pipes, including general or uniform corrosion, pitting corrosion, galvanic corrosion, crevice corrosion, and stress corrosion cracking.
- Q: How are steel pipes used in the manufacturing of power distribution systems?
- Steel pipes are commonly used in the manufacturing of power distribution systems as they provide a reliable and durable solution for transporting and protecting electrical cables. They are used to create conduits that house the cables, ensuring safe and efficient transmission of electricity throughout the system. Steel pipes also offer resistance to corrosion, fire, and extreme weather conditions, making them a suitable choice for power distribution systems.
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Seamless pipe of various materials
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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