Seamless Steel Pipes SCH40 / SCH80 / STD
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 m.t./month
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1、Structure of Seamless Steel Pipes:
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Seamless Steel Pipes:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless Pipe 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 :
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on each pipe before delivered out.
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.
Any question, pls feel free to contact us !
6、Seamless Pipe Images：
- Q:Can steel pipes be used for underground oil and gas pipelines?
- Yes, steel pipes can be used for underground oil and gas pipelines. Steel is a widely used material in the oil and gas industry due to its strength, durability, and resistance to corrosion. Steel pipes are capable of withstanding the high pressure and extreme conditions often encountered in underground pipelines, making them a reliable choice for transporting oil and gas.
- Q:How are steel pipes protected against lightning strikes?
- Steel pipes are protected against lightning strikes by installing lightning rods or grounding systems near the pipes. These systems provide a path of least resistance for lightning to follow, diverting the electrical current away from the pipes and minimizing the risk of damage or explosions.
- Q:What are the common defects found in steel pipes?
- Some common defects found in steel pipes include corrosion, cracks, dents, and leaks. Other defects may include misalignment or misshapen sections, improper welding, and brittleness.
- Q:How do you calculate the pipe friction loss coefficient for steel pipes?
- The pipe friction loss coefficient for steel pipes can be calculated using the Darcy-Weisbach equation, which takes into account the pipe diameter, length, roughness, and fluid velocity. The coefficient can be determined by dividing the friction factor (obtained from Moody's chart or using empirical equations) by the Reynolds number (calculated using the fluid properties and pipe dimensions).
- Q:What are the different joining methods for steel pipes?
- The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.
- Q:How are steel pipes coated to prevent corrosion?
- Steel pipes are coated to prevent corrosion through a process called galvanization, where a layer of zinc is applied to the surface of the pipes. This zinc coating acts as a protective barrier, preventing the steel from coming into direct contact with moisture and other corrosive elements in the environment.
- Q:How are steel pipes used in power plants?
- Power plants rely heavily on the extensive use of steel pipes for a variety of purposes. When it comes to transporting fluids and gases, steel pipes are the go-to choice. They effectively carry water, steam, and fuel (like oil or gas) throughout the power plant. The reason steel pipes are so widely used for this purpose is because of their exceptional strength and durability. They can withstand the high pressures and temperatures found in power plants without faltering. Another crucial role steel pipes play in power plants is in the boilers. They are an integral part of the boiler system, responsible for the transportation of hot gases and steam. These pipes are specifically designed to endure extreme heat and pressure, ensuring the safe and efficient operation of the boiler. Moreover, steel pipes are utilized in the cooling systems of power plants. They facilitate the circulation of water to cool down essential equipment such as turbines and condensers. These pipes are built to withstand corrosion caused by the cooling water, all while maintaining the required flow rate and pressure. Additionally, steel pipes find their place in the construction of power plant structures. They are extensively used for fabricating support structures like frames, platforms, and walkways. Steel pipes possess excellent structural integrity and can bear heavy loads, making them the perfect choice for these applications. In conclusion, steel pipes fulfill a crucial role in power plants by efficiently transporting fluids and gases, serving as an essential component of the boiler system, facilitating cooling processes, and providing structural support. Their strength, durability, and resistance to extreme conditions make them indispensable in the operation of power plants.
- Q:What is the pressure rating of steel pipes?
- The pressure rating of steel pipes can vary depending on factors such as the size, wall thickness, and specific grade of the steel used. However, steel pipes are commonly available in pressure ratings ranging from a few hundred PSI (pounds per square inch) to several thousand PSI, making them suitable for a wide range of applications.
- Q:What are the factors that affect the pressure rating of steel pipes?
- The pressure rating of steel pipes can be influenced by various factors. These factors include the strength of the material used, the thickness of the pipe wall, the diameter of the pipe, the temperature at which it operates, its resistance to corrosion, compliance with manufacturing standards, and the impact of external loads. The strength of the steel plays a crucial role in determining the pressure rating. Steel with higher strength can handle higher pressure levels, while weaker grades may have lower ratings. Thicker walls provide more resistance against internal forces, allowing pipes to handle higher pressures. The diameter of the pipe also affects its pressure rating. Larger pipes generally have higher ratings due to their larger cross-sectional area. High temperatures can weaken steel, reducing its strength and pressure rating. Therefore, maximum operating temperature should be considered. Corrosion can weaken the pipe material over time, leading to a decrease in pressure rating. Factors such as fluid type, pH levels, and environmental conditions can impact corrosion resistance. Compliance with industry standards is crucial in determining pressure ratings. These standards ensure proper manufacturing techniques and materials are used. External loads such as soil settlement or traffic can affect pressure ratings. Proper design, installation, support, and protection are necessary to maintain the pressure rating. Considering all these factors and consulting industry guidelines is important for determining appropriate pressure ratings for steel pipes in different applications.
- Q:What is the maximum pressure that steel pipes can handle?
- The maximum pressure that steel pipes can handle depends on various factors such as the grade and thickness of the steel, the diameter of the pipe, and the intended application. However, steel pipes are known for their high strength and durability, allowing them to withstand high pressure conditions. In general, steel pipes can handle pressures ranging from a few hundred PSI (pounds per square inch) to several thousand PSI, depending on the specific specifications and design considerations. It is crucial to consult engineering standards, industry guidelines, and relevant experts to determine the appropriate maximum pressure for a specific steel pipe.
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Seamless Steel Pipes SCH40 / SCH80 / STD
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 1000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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