Alloy structural steel seamless steel pipes
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 60 m.t.
- Supply Capability:
- 16000 m.t./month
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1、Structure of Alloy structural steel seamless steel pipe
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.
2、Main Features of Alloy structural steel seamless steel pipe:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Alloy structural steel seamless steel 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 Alloy structural steel seamless steel 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.
②Why 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、Alloy structural steel seamless steel pipe Images：
- Q: What is the difference between internal and external coating for steel pipes?
- Internal coating for steel pipes refers to the application of a protective layer on the inner surface of the pipe to prevent corrosion and increase durability. This coating is designed to withstand the flow of fluids or gases through the pipe, ensuring the integrity of the material and minimizing the risk of contamination. On the other hand, external coating for steel pipes involves applying a protective layer on the outer surface of the pipe to safeguard it from environmental factors such as moisture, chemicals, or mechanical damage. This coating acts as a barrier, shielding the pipe from corrosion and extending its lifespan. In summary, internal coating focuses on protecting the inner surface of the steel pipe, while external coating aims to safeguard the outer surface. Both coatings are crucial for ensuring the longevity and reliability of steel pipes in various applications.
- Q: What are the different methods of coating steel pipes for insulation?
- There are several methods of coating steel pipes for insulation, each with its own advantages and disadvantages. 1. Thermal Insulation Coating: This method involves applying a layer of thermal insulation material, such as mineral wool or foam, onto the steel pipe. The insulation material helps to reduce heat transfer and minimize energy loss. Thermal insulation coatings are relatively easy to apply and can provide excellent insulation properties. However, they may be prone to degradation over time and may require regular maintenance and replacement. 2. Corrosion Protection Coating: Steel pipes are often coated with corrosion protection materials, such as epoxy or polyethylene, to prevent rust and corrosion. These coatings act as a barrier between the steel surface and the surrounding environment, protecting the pipe from moisture, chemicals, and other corrosive elements. Corrosion protection coatings are typically durable and long-lasting, providing effective protection for the steel pipe. However, they may not provide significant thermal insulation properties. 3. Fusion-Bonded Epoxy (FBE) Coating: FBE coating is a popular method for both insulation and corrosion protection. It involves applying a layer of epoxy powder to the steel pipe and then heating it to create a strong, durable bond. FBE coatings provide excellent adhesion and resistance to corrosion, as well as some thermal insulation properties. They are commonly used in oil and gas pipelines and can withstand high temperatures and harsh environments. 4. Polyurethane Foam Coating: Polyurethane foam is often used as an insulation coating for steel pipes. It is applied by spraying or injecting the foam onto the pipe surface, which then expands and hardens to create a protective layer. Polyurethane foam coatings provide excellent thermal insulation properties and can be applied to pipes of various sizes and shapes. However, they may require special equipment and expertise for application and may be susceptible to physical damage or moisture absorption if not properly sealed. 5. Ceramic Coating: Ceramic coatings are another option for insulating steel pipes. These coatings are typically applied using a thermal spray process, which creates a layer of ceramic material on the pipe surface. Ceramic coatings can provide high-temperature insulation, corrosion resistance, and thermal shock protection. They are commonly used in industries such as power generation and aerospace, where extreme temperature conditions are present. However, ceramic coatings can be expensive and may require specialized equipment and expertise for application.
- Q: What are the industries that commonly use steel pipes?
- Some of the industries that commonly use steel pipes include oil and gas, construction, manufacturing, automotive, infrastructure, water treatment, and plumbing.
- Q: What is the difference between internal lining and external coating of steel pipes?
- The difference between internal lining and external coating of steel pipes lies in their respective purposes and locations. Internal lining refers to the material applied inside the steel pipes to protect the inner surface from corrosion, abrasion, or other forms of damage. It acts as a barrier between the transported fluids or substances and the steel pipe, preventing them from coming into direct contact and causing deterioration. The internal lining is typically made of materials like epoxy, polyethylene, or cement mortar, depending on the specific requirements and the nature of the transported substances. It ensures the longevity and integrity of the steel pipe by reducing the chances of internal corrosion and minimizing the risk of contamination. External coating, on the other hand, is applied to the outer surface of the steel pipes. Its main purpose is to provide protection against external factors such as weathering, soil corrosion, and mechanical damage. The external coating acts as a shield, safeguarding the steel pipe from environmental conditions like moisture, UV radiation, chemicals, and physical impact. Common materials used for external coatings include fusion-bonded epoxy, polyethylene, polypropylene, or bitumen. The choice of coating depends on factors like the exposure conditions, temperature, and the type of soil or surroundings the steel pipe will encounter. In summary, while internal lining protects the inner surface of steel pipes from corrosion and damage caused by transported substances, external coating acts as a barrier against external elements and physical stresses. Both internal lining and external coating play vital roles in ensuring the durability and reliability of steel pipes in various applications, such as oil and gas pipelines, water supply systems, or industrial processes.
- Q: Why seamless steel pipe called seamless steel pipe?
- Seamless steel pipe is a hollow section, without the joint round, square, rectangular steel. Seamless steel tubes are made of ingots or billets made by piercing and are then made by hot rolling, cold rolling or cold casting. Seamless steel pipe with a hollow section, as pipe conveying fluid, compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, bike frame and construction using steel scaffolding.
- Q: Why should the weak electricity be pre buried with galvanized steel pipe?
- Galvanized steel pipe mainly because of anti-interference and electrical connectivity, to prevent other strong magnetic strong signal to interfere with weak signal, while in the electrical connection, galvanized steel pipe can be directly connected to the bridge.
- Q: How are steel pipes repaired in case of damage?
- Steel pipes are typically repaired by first identifying the damaged section of the pipe. Then, the damaged area is cut out and replaced with a new section of pipe. This new section is welded or clamped into place to ensure a secure connection. In some cases, epoxy or other sealants may be used to repair smaller cracks or leaks. Overall, the repair process aims to restore the structural integrity and functionality of the steel pipes.
- Q: Are steel pipes recyclable?
- Yes, steel pipes are recyclable. Steel is a highly recyclable material and can be melted down and repurposed into new steel products, including pipes. Recycling steel pipes helps conserve natural resources and reduces the need for new steel production.
- Q: What is the difference between steel pipe and polyethylene pipe?
- The main difference between steel pipe and polyethylene pipe lies in their materials and properties. Steel pipe is made from a durable and strong material, which makes it suitable for high-pressure applications and environments where strength is crucial. On the other hand, polyethylene pipe is made from a plastic material that offers flexibility and resistance to corrosion, making it ideal for underground and aboveground installations. Additionally, steel pipe requires welding or threading for connections, while polyethylene pipe uses fusion or mechanical fittings. Ultimately, the choice between steel pipe and polyethylene pipe depends on the specific requirements of the project and the desired characteristics needed.
- Q: Can steel pipes be used for air conditioning systems?
- Yes, steel pipes can be used for air conditioning systems. Steel pipes are commonly used in air conditioning systems for their durability, strength, and resistance to corrosion. They can effectively transport refrigerant and withstand the high pressure and temperature conditions involved in air conditioning operations.
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Alloy structural steel seamless steel pipes
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 60 m.t.
- Supply Capability:
- 16000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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