Carbon Seamless Steel Pipe with High Quality and Best Price
- 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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API SPEC 5L● Full series of products provides an easier access for one stop purchase
▲ Line pipe
▲ Tubing and casing
▲ L & M & H boiler tube
▲ Gas cylinder tube & pipe
▲ Mechanical & Structural pipe
▲ Ship-building tube & pipe
▲ Automobile tube & pipe
1、Structure of Seamless Pipe API SPEC 5L:
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.
Standard: API SPEC 5L
● Application: To be used for conveying gas, water, and
petroleum for oil and natural gas industries
2、Main Features of the Seamless Pipe API SPEC 5L:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless PipeAPI SPEC 5LSpecification：
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 API SPEC 5L:
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 API SPEC 5L Images：
- Q:How are steel pipes protected against rust?
- Steel pipes are protected against rust through a variety of methods. One common method is by applying a protective coating to the pipes. This can be done by using a layer of paint, epoxy, or a corrosion-resistant coating such as zinc or galvanized coatings. These coatings act as a barrier between the steel and moisture, preventing the formation of rust. Another method of protecting steel pipes against rust is by using cathodic protection. This involves the use of sacrificial anodes, typically made of zinc or magnesium, which are attached to the steel pipes. These anodes corrode instead of the steel, sacrificing themselves and preventing rust formation on the pipes. In addition to coatings and cathodic protection, steel pipes can also be protected against rust by using corrosion inhibitors. Corrosion inhibitors are chemicals that are added to the water or fluid flowing through the pipes. These chemicals form a protective film on the surface of the steel, inhibiting the corrosion process and preventing rust from forming. Regular maintenance and inspections are also crucial in protecting steel pipes against rust. Any signs of damage or wear on the protective coatings should be addressed promptly to prevent rust from developing. Additionally, ensuring that the pipes are properly cleaned and dried before applying any protective coatings can also help in enhancing their effectiveness. Overall, a combination of protective coatings, cathodic protection, corrosion inhibitors, and regular maintenance is employed to ensure that steel pipes are effectively protected against rust and corrosion, prolonging their lifespan and maintaining their structural integrity.
- Q:What are the common standards for steel pipe manufacturing?
- Steel pipe manufacturing is regulated by various common standards that guarantee the excellence and uniformity of the products. One of the most renowned standards is the American Society for Testing and Materials (ASTM) standard, which encompasses diverse specifications for different kinds of steel pipes. These specifications encompass dimensions, mechanical properties, and testing prerequisites. Another widespread standard is the American National Standards Institute (ANSI) standard, which establishes directives for the manufacturing procedure, material requirements, and performance attributes of steel pipes. ANSI standards are commonly employed in industrial applications and construction undertakings. Furthermore, international standards such as the International Organization for Standardization (ISO) standard exist, providing guidelines for the design, production, and testing of steel pipes. The ISO standard ensures that steel pipes align with global quality and safety standards. Moreover, specific industries may have their own standards for steel pipe manufacturing. For instance, the American Petroleum Institute (API) has devised standards exclusively for oil and gas industry applications. These standards, like API 5L, outline requirements for the manufacturing, testing, and inspection of steel pipes employed in the transportation of oil and gas. Ultimately, these common standards for steel pipe manufacturing play a vital role in guaranteeing the quality, dependability, and safety of the products. They establish a standardized framework that manufacturers can adhere to, enabling customers to have confidence in the performance and durability of the steel pipes they acquire.
- Q:Can steel pipes be used in plumbing systems?
- Yes, steel pipes can be used in plumbing systems. Steel pipes are commonly used for plumbing installations due to their durability, strength, and resistance to corrosion. They are often preferred for larger water supply lines and can handle high pressure and temperature conditions. However, steel pipes require proper insulation to prevent heat loss and are typically more expensive than alternative materials like PVC or copper pipes.
- Q:What is the creep resistance of steel pipes?
- The ability of steel pipes to withstand deformation or elongation over time when exposed to high temperatures and constant stress is referred to as their creep resistance. Steel pipes are highly regarded for their exceptional resistance to creep because of the inherent strength and stability of the material. The creep resistance of steel pipes can vary depending on factors like the composition of the alloy, heat treatment, and the conditions in which they are used. Creep is a phenomenon that occurs at elevated temperatures, causing materials to slowly deform under constant stress. In the case of steel pipes, this can be a concern in applications where they are subjected to high temperatures for extended periods, such as in power plants, industrial furnaces, or steam pipelines. The ability to resist creep deformation is crucial to maintain the structural integrity and longevity of the pipes. Steel pipes are often designed and manufactured using alloys with high creep resistance properties, such as chromium-molybdenum (Cr-Mo) steels or nickel-based alloys. These alloys possess excellent mechanical strength, thermal stability, and resistance to oxidation and corrosion, all of which contribute to their superior creep resistance. Moreover, heat treatment processes like quenching and tempering can significantly enhance the creep resistance of steel pipes. These treatments involve controlled heating and cooling cycles to optimize the microstructure of the steel, thereby increasing its resistance to deformation and improving its overall performance at high temperatures. It is important to note that the creep resistance of steel pipes is typically specified by industry standards and codes, such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. These standards define the allowable stress levels and design criteria for different steel pipe applications, ensuring that they meet the necessary safety and performance standards. In summary, steel pipes are renowned for their excellent creep resistance due to their inherent strength, stability, and ability to withstand high temperatures. The specific creep resistance of steel pipes may vary depending on factors such as alloy composition, heat treatment, and operating conditions. Proper design and adherence to industry standards are essential to ensure the desired creep resistance and overall performance of steel pipes in various applications.
- Q:What are the different sizes of steel pipe nipples?
- The sizes of steel pipe nipples vary depending on their intended use and application. Common sizes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1 1/4", 1 1/2", and 2". However, there are many other sizes available to cater to specific needs and requirements.
- Q:Can steel pipes be used for conveying potable water?
- Yes, steel pipes can be used for conveying potable water. However, it is important to ensure that the steel pipes are coated or lined with suitable materials to prevent corrosion and contamination of the water supply. Regular maintenance and monitoring of the pipes are also necessary to ensure the water remains safe for consumption.
- Q:Are steel pipes suitable for high-temperature applications?
- Yes, steel pipes are suitable for high-temperature applications. Steel has excellent thermal conductivity and can withstand high temperatures without losing its structural integrity. Additionally, steel pipes have high tensile strength and can resist thermal expansion and contraction, making them ideal for transporting hot liquids or gases in industrial processes.
- Q:What are the advantages of using steel pipes in construction projects?
- There are several advantages of using steel pipes in construction projects. Firstly, steel pipes are incredibly strong and durable, making them ideal for carrying heavy loads and withstanding harsh environmental conditions. Secondly, steel pipes have a high resistance to corrosion, which ensures a longer lifespan and reduces maintenance costs. Additionally, steel pipes are lightweight, making them easier to transport and install. Lastly, steel pipes are versatile and can be used for various applications such as water supply, sewage systems, gas pipelines, and structural support.
- Q:How do you calculate the maximum allowable deflection for steel pipes?
- When calculating the maximum allowable deflection for steel pipes, various factors must be taken into account. These factors include the pipe diameter, material properties, support conditions, and desired level of deflection. The maximum allowable deflection is typically determined according to industry standards and codes. One popular method for calculating the maximum allowable deflection is based on the pipe's span-to-diameter ratio, also known as the L/D ratio. The L/D ratio is calculated by dividing the pipe's span (the distance between supports) by its diameter. Numerous industry codes provide guidelines for the maximum allowable deflection based on the L/D ratio. For instance, the American Society of Mechanical Engineers (ASME) B31.1 Power Piping Code suggests that for carbon steel pipes, the maximum allowable deflection should not exceed 3% of the pipe's span when the L/D ratio is 100 or less. However, as the L/D ratio increases, the deflection limit decreases to ensure the pipe's stability and structural integrity. To calculate the maximum allowable deflection using the L/D ratio method, you first need to determine the L/D ratio based on the pipe's span and diameter. Then, you can refer to the applicable code or standard to find the corresponding maximum allowable deflection limit. It's important to note that other factors, such as the pipe material's yield strength, wall thickness, and the type of loading (e.g., dead load, live load), also influence the maximum allowable deflection. Therefore, it is crucial to consult the relevant industry standards, codes, and engineering principles to accurately calculate the maximum allowable deflection for steel pipes.
- Q:How do steel pipes handle pressure surges?
- Steel pipes are designed to handle pressure surges effectively due to their inherent strength and durability. The high tensile strength of steel allows it to withstand significant pressure fluctuations without deforming or bursting. Additionally, the seamless construction of steel pipes ensures a smooth and continuous flow, minimizing the impact of pressure surges. Furthermore, steel pipes can be reinforced with additional support structures, such as braces or anchors, to further enhance their ability to handle pressure surges.
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Carbon Seamless Steel Pipe with High Quality and Best Price
- 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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