• Seamless Steel Tube API5L,GB,ASTM,ASME,DIN System 1
  • Seamless Steel Tube API5L,GB,ASTM,ASME,DIN System 2
  • Seamless Steel Tube API5L,GB,ASTM,ASME,DIN System 3
Seamless Steel Tube API5L,GB,ASTM,ASME,DIN

Seamless Steel Tube API5L,GB,ASTM,ASME,DIN

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
100 m.t.
Supply Capability:
1000 m.t./month

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Product Details:

 

1. Commodity Name: Carbon Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

Length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. Application:

Applicate to gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8. Packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

 

 

 

Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

Seamless Steel Tubes Image

 

 

 

FAQ of Seamless Tube  

How is the quality of your products?
    Our products are manufactured strictly according to national and internaional standard. If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

How about price?
    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”.

Why should you chose us?
   We can  not only give you good quality and price, but also we can 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.

 If you have any question, pls feel free to contact us !


Q: What is the difference between carbon steel pipes and stainless steel pipes?
The main difference between carbon steel pipes and stainless steel pipes lies in their composition. Carbon steel pipes are primarily made of iron and carbon, while stainless steel pipes contain iron, carbon, and a minimum of 10.5% chromium. This chromium content in stainless steel pipes creates a protective layer of chromium oxide on the surface, making them highly resistant to corrosion. On the other hand, carbon steel pipes are more susceptible to corrosion and require additional coatings or treatments to prevent rusting. Additionally, stainless steel pipes offer better heat resistance and can withstand higher temperatures compared to carbon steel pipes.
Q: Are steel pipes suitable for underground oil pipelines?
Steel pipes are indeed appropriate for underground oil pipelines. Steel is frequently employed in oil pipelines because of its considerable strength, durability, and resistance to corrosion. Underground oil pipelines encounter different external influences like soil displacement, humidity, and chemicals, but steel pipes can effectively endure these circumstances. Furthermore, by welding steel pipes, a seamless and uninterrupted pipeline can be formed, minimizing the chances of leaks or ruptures. Furthermore, steel pipes have a long history of successful utilization in the oil sector, offering a dependable and cost-efficient method of transporting oil underground.
Q: What is the purpose of pipe flanges in steel pipes?
The purpose of pipe flanges in steel pipes is to provide a secure and leak-proof connection between two pipes or fittings. Flanges act as a connection point, allowing easy assembly and disassembly of pipes while ensuring a tight seal to prevent any leakage or loss of fluid or gas.
Q: What are the common standards for coating and lining of steel pipes?
The common standards for coating and lining of steel pipes are outlined by various organizations and regulatory bodies to ensure the durability, corrosion resistance, and overall quality of the pipes. Some of the widely recognized and used standards include: 1. American Society for Testing and Materials (ASTM): ASTM has developed numerous standards for coating and lining of steel pipes, such as ASTM A775/A775M for epoxy-coated reinforcing steel, ASTM A1064/A1064M for metallic-coated steel wire, and ASTM A1057/A1057M for fusion-bonded epoxy-coated steel reinforcement. 2. American Water Works Association (AWWA): AWWA has established several standards for coating and lining of steel pipes used in the water industry. Examples include AWWA C210 for liquid epoxy coating systems for the interior and exterior of steel water pipelines, and AWWA C213 for fusion-bonded epoxy coating for the interior and exterior of steel water pipelines. 3. National Association of Corrosion Engineers (NACE): NACE International develops standards and recommended practices for the corrosion control of steel pipes. NACE SP0169 provides guidelines for selection and application of coatings for underground or submerged steel pipelines, while NACE SP0198 offers recommendations for external coatings of steel pipelines. 4. ISO Standards: The International Organization for Standardization (ISO) has developed various standards related to coating and lining of steel pipes. ISO 21809-1 specifies the requirements for external coatings applied to buried or submerged pipelines, while ISO 21809-2 focuses on the internal coating and lining of such pipelines. These standards cover different aspects of the coating and lining process, including surface preparation, application methods, minimum coating thickness, adhesion, and quality control. Adhering to these standards ensures that steel pipes are properly protected against corrosion, abrasion, and other forms of deterioration, leading to longer service life and enhanced performance in various industries such as oil and gas, water supply, and infrastructure.
Q: How are steel pipes insulated for thermal purposes?
Steel pipes are commonly insulated for thermal purposes using a variety of methods. One of the most common methods is to wrap the pipes with insulation material such as fiberglass, mineral wool, or foam. This insulation material acts as a barrier between the pipe and the surrounding environment, preventing heat transfer or loss. To properly insulate steel pipes, the insulation material is typically wrapped tightly around the pipe, ensuring that there are no gaps or openings for heat to escape. The insulation is then secured in place using adhesive tapes or metal bands. In addition to external insulation, pipes can also be internally insulated. This involves placing insulation material inside the pipe, creating a layer of protection against heat loss or gain. Internal insulation is commonly used in applications where the pipe carries hot fluids or gases. Furthermore, some steel pipes are designed with a built-in insulation layer. These pipes, known as pre-insulated pipes, have insulation material already integrated into the pipe structure. The insulation layer is typically made of foam or mineral wool and is covered with a protective outer layer, providing effective thermal insulation. Insulating steel pipes for thermal purposes is crucial in various industries, such as oil and gas, HVAC, and plumbing. Proper insulation helps to maintain the desired temperature of the fluid or gas flowing through the pipes, preventing energy loss and improving overall efficiency.
Q: How do steel pipes handle seismic expansion joints?
Steel pipes handle seismic expansion joints by allowing for movement and flexibility. These pipes are designed to withstand the forces caused by seismic activity, such as earthquakes, by accommodating expansion and contraction without causing damage to the overall structure. The joints in steel pipes are often equipped with specialized components, such as bellows or flexible couplings, that can absorb the movement and prevent excessive stress on the pipeline. This ensures the integrity and safety of the pipeline system during seismic events.
Q: What is the difference between steel pipes and FRP pipes?
Steel pipes and FRP (Fiberglass Reinforced Plastic) pipes differ in their material composition, properties, and applications. While steel pipes are made from steel, FRP pipes are composed of a combination of resin and fiberglass. Steel pipes are known for their high strength and durability, making them suitable for heavy-duty applications such as transporting oil, gas, and water. On the other hand, FRP pipes are lightweight, corrosion-resistant, and have excellent chemical resistance, making them ideal for applications where corrosion is a concern, such as in the chemical industry or in sewage systems. Furthermore, FRP pipes offer better insulation properties and are easier to install due to their lighter weight. Overall, the choice between steel pipes and FRP pipes depends on the specific requirements and conditions of the application.
Q: What are the limitations of using steel pipes?
Using steel pipes in various applications has several limitations. Firstly, the cost of steel pipes compared to materials like plastic or copper can be quite high. This can be a significant drawback for projects with limited budgets. Secondly, steel pipes are susceptible to corrosion. Exposure to moisture and certain chemicals over time can cause rust and deterioration. This can lead to leaks, reduced structural integrity, and the need for expensive repairs or replacement. Another limitation is the weight and rigidity of steel pipes. They are generally heavier and less flexible than other types of pipes, making installation and maneuvering more challenging in certain settings. Additionally, their rigid nature makes them less suitable for applications requiring movement or flexibility. Furthermore, steel pipes can experience thermal expansion and contraction. Extreme temperatures can cause them to expand or contract, potentially stressing joints, fittings, or other components. This can lead to leaks or even pipe failure if not properly addressed. Lastly, steel pipes are not as resistant to certain chemicals or substances as other materials. Some chemicals can corrode or erode the inner lining, compromising integrity and potentially causing contamination or leakage. While steel pipes have advantages, it is important to consider these limitations when selecting the most suitable material for a specific application.
Q: How are steel pipes protected against rust and corrosion?
Steel pipes are protected against rust and corrosion through various methods such as applying protective coatings like zinc or epoxy, using cathodic protection techniques, or by utilizing stainless steel pipes that have inherent resistance to rust and corrosion. Additionally, regular maintenance and inspections help to identify and address any potential corrosion issues early on.
Q: What is the difference between steel pipe and PVC conduit?
Steel pipe is a rigid and durable material commonly used for plumbing and industrial applications. It is made of steel, which provides strength and resistance to high pressure and temperature. On the other hand, PVC conduit is a type of plastic piping that is flexible, lightweight, and non-conductive. It is primarily used for electrical installations, as it offers protection and insulation to the wires. The main difference between steel pipe and PVC conduit lies in their composition, rigidity, and purpose of use.

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