• seamless steel pipes from CNBM China to you System 1
  • seamless steel pipes from CNBM China to you System 2
  • seamless steel pipes from CNBM China to you System 3
seamless steel pipes from CNBM China to you

seamless steel pipes from CNBM China to you

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
25 watt
Supply Capability:
8000 watt/month

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1Structure of Seamless Pipe: 

Seamless pipe possesses a hollow section and without seam around the strip steel. It is made with solid bar or steel ingot by perforating machine. As the facture process does not include any welding, seamless pipes are considered to be stronger and more durable. Generally speaking, seamless pipe has better pressure resistance and security than other classifications, and was usually more easily available than welded pipe.

 

2‍‍Main Features of the Seamless Pipe:

High working accuracy

High strength

Small inertia resistance

Strong therming dissipine ability

Good appearance

Reasonble price

 

3Seamless 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) Executive 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 Seamless Pipe:  

How is the quality of your products?
    Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.

How about the price?
    Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”, if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.

Why should you choose us?
    Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.

 

6‍‍Seamless Pipe Images ‍‍

 

Q: What is the primary purpose of steel pipes?
The primary purpose of steel pipes is to transport fluids and gases, such as water, oil, and natural gas, over long distances efficiently and safely. They are commonly used in various industries including construction, oil and gas, and infrastructure development.
Q: How do you determine the weight per foot of a steel pipe?
To determine the weight per foot of a steel pipe, you need to consider two main factors: the thickness and the diameter of the pipe. First, you need to measure the outer diameter (OD) and the wall thickness (WT) of the pipe using a caliper or a measuring tape. Once you have these measurements, you can calculate the inner diameter (ID) by subtracting twice the wall thickness from the outer diameter (ID = OD - 2 * WT). Next, use the formula for the cross-sectional area of a pipe (A = π * (OD^2 - ID^2) / 4) to calculate the cross-sectional area. Finally, multiply the cross-sectional area by the density of the steel, which is typically around 490 pounds per cubic foot, to determine the weight per foot of the steel pipe. Weight per foot (WPF) = A * 490 It's important to note that this calculation provides an estimate of the weight per foot, as manufacturing tolerances and slight variations in the density of the steel may affect the actual weight. Therefore, it is recommended to use this calculation as a guide and consult the manufacturer's specifications for more precise information.
Q: Can steel pipes be used for gas distribution?
Yes, steel pipes can be used for gas distribution. Steel pipes are commonly used in gas distribution systems due to their durability, strength, and resistance to corrosion. They can handle high-pressure gas transmission and are suitable for both underground and aboveground installations. However, certain safety regulations and standards must be followed to ensure the proper installation and maintenance of steel pipes for gas distribution.
Q: How are steel pipes measured and specified?
Steel pipes are measured and specified using several key parameters. The most common ones include the outer diameter (OD), wall thickness, and length of the pipe. The outer diameter refers to the measurement of the pipe's outside surface from one end to the other. It is typically expressed in millimeters (mm) or inches (in), and it plays a critical role in determining the pipe's strength and carrying capacity. Different applications require different OD sizes, which can range from a few millimeters to several feet. The wall thickness of a steel pipe refers to the distance between its outer and inner surfaces. It is measured in millimeters or inches and is crucial for determining the pipe's durability and resistance to pressure. Thicker walls can handle higher pressure, making them suitable for applications that require transporting liquids or gases under high pressure. The length of steel pipes is generally specified in meters or feet. Standard pipe lengths are often 6 or 12 meters (20 or 40 feet), but custom lengths can be requested based on project requirements. It is important to note that longer pipes may require additional support to prevent sagging or structural issues. Apart from these primary measurements, steel pipes may also be specified based on other factors such as material grade, manufacturing standard, and surface finish. Material grade refers to the quality and composition of the steel used in the pipe, which determines its strength and corrosion resistance. Manufacturing standards, such as ASTM or API, ensure that the pipes meet specific quality and performance criteria. Surface finish specifications may include factors like galvanized coating, which provides protection against corrosion or other specific requirements based on the intended application. Overall, the measurement and specification of steel pipes involve considering the outer diameter, wall thickness, length, material grade, manufacturing standard, and surface finish. These parameters are crucial in determining the suitability of the pipe for various applications and ensuring its performance and durability in different environments.
Q: How are steel pipes used in the oil and gas industry?
Steel pipes are widely used in the oil and gas industry for various purposes. They are primarily used for transporting and distributing oil and gas from extraction sites to refineries and end consumers. Steel pipes are also used in drilling operations, where they are utilized as casing and tubing to extract oil and gas from wells. Additionally, steel pipes are employed in the construction of storage tanks, pipelines, and other infrastructure required for the production, processing, and transportation of oil and gas. Overall, steel pipes play a crucial role in ensuring the efficient and safe operation of the oil and gas industry.
Q: What are the different types of steel pipe tees?
Various plumbing and piping applications commonly utilize different types of steel pipe tees. These tees serve various purposes and offer specific functionalities. 1. Equal tee: This tee consists of three branches of the same size, ensuring an equal flow of fluid or gas through each branch. 2. Unequal tee: As suggested by its name, an unequal tee features branches of varying sizes. This allows for merging or diversion of flows with different volumes or pressures. 3. Reducing tee: This tee is deployed when the branch size is smaller than the main pipe size. It enables a reduction in size while maintaining the flow in the main line. 4. Barred tee: In situations involving the insertion or removal of a pipeline-cleaning and inspection device known as a pig, a barred tee is employed. It possesses a bar welded across one or two branches to create a bypass for the pig. 5. Lateral tee: A lateral tee has a branch angle of either 45 degrees or 90 degrees, facilitating the perpendicular alignment of the branch line with the main line. It finds extensive use in fire sprinkler systems and scenarios necessitating a change in direction. 6. Compression tee: This tee is suitable for gas or hydraulic systems, where branches are connected using compression fittings rather than welding or threading. 7. Butt-weld tee: High-pressure and high-temperature applications employ butt-weld tees. These tees are welded to the main pipe using butt-welding techniques, ensuring a robust and leak-proof connection. These represent some of the most prevalent types of steel pipe tees employed across diverse industries. The selection of the appropriate tee depends on specific project requirements, such as pipe size, flow rates, and transported materials.
Q: How do steel pipes handle expansion and contraction?
Steel pipes handle expansion and contraction by allowing the material to expand and contract freely due to their inherent flexibility and elasticity. This prevents the pipes from experiencing excessive stress or damage, ensuring their durability and structural integrity.
Q: How do you protect steel pipes from fire?
One way to protect steel pipes from fire is by applying a fire-resistant coating or insulation. This can help prevent the pipes from reaching the critical temperature where structural integrity is compromised. Additionally, installing fire rated enclosures or barriers around the pipes can provide an extra layer of protection. Regular inspections and maintenance are also crucial to ensure any potential fire hazards are identified and addressed promptly.
Q: What are the different methods of cutting steel pipes?
The different methods of cutting steel pipes include using a hacksaw, pipe cutter, angle grinder with a cutting disc, reciprocating saw, plasma cutter, or oxy-fuel torch.
Q: What are the factors to consider when selecting steel pipes?
When selecting steel pipes, some of the key factors to consider include the intended use or application, the required strength and durability, the size and dimensions of the pipes, the corrosion resistance properties, the cost and availability, and any specific industry or regulatory requirements.

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