• Seamless Steel Pipeline API 5L-0685  Made in China from CNBM System 1
  • Seamless Steel Pipeline API 5L-0685  Made in China from CNBM System 2
Seamless Steel Pipeline API 5L-0685  Made in China from CNBM

Seamless Steel Pipeline API 5L-0685 Made in China from CNBM

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1Structure of API 5L-0685 Seamless Steel Pipeline Made in China from CNBM: 

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. 

 

2‍‍Main Features of API 5L-0685 Seamless Steel Pipeline Made in China from CNBM:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price  

 

3API 5L-0685 Seamless Steel Pipeline Made in China from CNBM 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. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of API 5L-0685 Seamless Steel Pipeline Made in China from CNBM:  

How 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.

How 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.

Why 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.Images

Seamless Steel Pipeline API 5L-0685  Made in China from CNBM

Q: How are steel pipes threaded for connection?
Steel pipes are threaded for connection using a threading machine or a die. The pipe is clamped securely into the machine, and a rotating die is then used to cut threads into the pipe's surface. This process creates the necessary grooves and ridges that allow the pipes to be securely connected together.
Q: How are steel pipes used in the manufacturing of wastewater treatment systems?
Steel pipes are used in the manufacturing of wastewater treatment systems for various purposes such as carrying and transporting wastewater, providing structural support to the system, and facilitating the flow of water and chemicals throughout the treatment process.
Q: What time what time for gas pipeline steel pipe PE pipe
PE pipe is suitable for medium voltage and low voltage 0.4MPa below the pressure pipe wall thickness. According to the different pressure is not the same, so the steel tube can be used for high pressure.
Q: How are steel pipes coated to prevent corrosion?
To prevent corrosion, steel pipes can be coated using different methods and materials. One common approach is to apply a protective layer of paint or epoxy on the pipe's surface. This coating acts as a barrier between the steel and the external environment, preventing direct contact with moisture and corrosive substances. Another technique involves galvanization, where the steel pipes are coated with a layer of zinc. Zinc is highly resistant to corrosion and acts as a sacrificial anode. In case of any damage to the coating, the zinc corrodes instead of the steel, ensuring the steel remains intact and free from corrosion. Polyethylene or polypropylene materials can also be fused onto the steel surface, creating a strong bond that provides excellent resistance against corrosion. This method, known as fusion bonding, is commonly used in offshore and underground pipelines. Moreover, a layer of corrosion-resistant alloy can be applied to the steel pipe. This alloy is typically a combination of metals such as nickel, chromium, and molybdenum, which offer superior protection against corrosion in harsh environments. The choice of coating method depends on factors like operating conditions, the presence of corrosive substances, and the expected lifespan of the steel pipes. By effectively applying these coatings, steel pipes can be safeguarded against corrosion, extending their durability and ensuring the integrity of the infrastructure they are used in.
Q: What are the different end types for steel pipes?
There are several different end types for steel pipes, each serving a specific purpose. Some common end types include: 1. Plain End: This is the most basic type of end for steel pipes, where the pipe has no threading or any other special end treatment. Plain ends are typically used for non-threaded applications or when the pipe is intended to be welded. 2. Threaded End: Threaded ends have male threads on one or both ends of the pipe, allowing for easy connection with other threaded fittings or pipes. This type of end is commonly used in plumbing and gas applications where the pipe needs to be easily assembled or disassembled. 3. Beveled End: Beveled ends are cut at an angle, typically 30 or 45 degrees, to facilitate welding. The bevel creates a smooth transition between the pipe and the weld joint, ensuring a strong and secure connection. Beveled ends are commonly used in construction, oil and gas, and pipeline industries. 4. Coupling End: Coupling ends have female threads on both ends of the pipe, enabling two pipes to be joined together using a coupling or a fitting. This type of end is often used in plumbing systems or for connecting sections of pipes that need to be easily disassembled. 5. Flanged End: Flanged ends have a flared or raised lip on one or both ends of the pipe, allowing for easy attachment to other flanged components, such as valves or pumps. Flanged ends are commonly used in industrial applications where the pipe needs to be securely connected to other equipment. 6. Socket Weld End: Socket weld ends have a socket or recess on one or both ends of the pipe, allowing for easy connection with socket weld fittings. This type of end provides a strong and reliable joint, commonly used in high-pressure applications, such as petrochemical or power plants. These are just a few examples of the different end types for steel pipes. The choice of end type depends on the specific application requirements, such as the need for easy assembly, disassembly, or compatibility with other fittings.
Q: What is the fatigue strength of steel pipes?
The ability of steel pipes to withstand repeated cyclic loading without failing is referred to as their fatigue strength. This characteristic is of utmost importance for pipes that experience dynamic or fluctuating loads, such as those used in the oil and gas industry, transportation infrastructure, or industrial applications. Several factors can affect the fatigue strength of steel pipes, including the grade of steel, dimensions of the pipe, manufacturing process, surface conditions, and environmental factors. Generally, steel pipes with higher tensile strength and toughness exhibit better resistance to fatigue. Fatigue strength is typically determined by subjecting the pipes to cyclic loading until failure occurs, through a process known as fatigue testing. The results of these tests are then used to establish a fatigue curve or S-N curve, which illustrates the relationship between the applied stress amplitude and the number of cycles required for failure. To quantify the fatigue strength, it is common to express it as the stress amplitude required to cause failure after a specific number of cycles, such as the stress amplitude at 10 million cycles (S-N10^7). However, it is important to consider other factors such as mean stress, surface finish, and loading frequency, which can also influence fatigue strength and may require consideration in specific applications. Ultimately, the fatigue strength of steel pipes is a crucial factor in engineering design and maintenance, as it ensures the long-term integrity and reliability of the pipes under cyclic loading conditions.
Q: How do you prevent corrosion in steel pipes?
One effective way to prevent corrosion in steel pipes is by applying a protective coating, such as paint or epoxy, to the surface of the pipes. This barrier creates a physical barrier between the pipe and the surrounding environment, preventing moisture and corrosive agents from coming into direct contact with the steel. Additionally, regular inspection and maintenance of the pipes, including cleaning and repairing any damaged coating, can help identify and address potential issues before they lead to corrosion.
Q: Can steel pipes be used for underground drainage in acidic soils?
Yes, steel pipes can be used for underground drainage in acidic soils. However, it is important to consider the type of steel used and the corrosion resistance properties to ensure longevity and prevent potential damage from the acidic environment. Additionally, protective coatings or linings can be applied to the steel pipes to enhance their resistance to corrosion in acidic soils.
Q: Are steel pipes suitable for conveying fluids?
Steel pipes are well-suited for the transportation of fluids. They have been extensively utilized across various industries for numerous years due to their robustness, strength, and resistance to corrosion. These characteristics render steel pipes an optimal choice for the conveyance of fluids like water, oil, gas, and hazardous substances. Moreover, the sleek interior surface of steel pipes facilitates smooth flow and prevents blockages, thus making them appropriate for applications that necessitate uninterrupted and seamless fluid movement. Additionally, steel pipes can endure high-pressure and high-temperature conditions, enabling their use in both high and low-pressure fluid transmission systems. In summary, steel pipes are a dependable and efficient alternative for fluid conveyance in a wide array of industries, including oil and gas, water treatment, chemical processing, and many others.
Q: Can steel pipes be used for underground water wells?
Yes, steel pipes can be used for underground water wells. Steel pipes are commonly used for drilling water wells due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated and protected to prevent any contamination of the underground water source.

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