• High-quality Carbon Seamless Steel Pipe For Boiler ST37 CNBM System 1
  • High-quality Carbon Seamless Steel Pipe For Boiler ST37 CNBM System 2
  • High-quality Carbon Seamless Steel Pipe For Boiler ST37 CNBM System 3
  • High-quality Carbon Seamless Steel Pipe For Boiler ST37 CNBM System 4
High-quality Carbon Seamless Steel Pipe For Boiler ST37 CNBM

High-quality Carbon Seamless Steel Pipe For Boiler ST37 CNBM

Ref Price:
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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
10 pc
Supply Capability:
30 pc/month

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Quick Details

Thickness:

3 - 60 mm

Section Shape:

Round

Outer Diameter:

21.3 - 1220 mm



Secondary Or Not:

Non-secondary

Application:

fluid pipe,boiler pipe, structural pipe, oil/gas/water pipe etc

Technique:

Hot Rolled

Certification:

ISO9001-2000, ISO14000, ISO18000 , API 5L

Surface Treatment:

Painted, Oiled, galvanized or phosphate etc

Special Pipe:

API Pipe

Alloy Or Not:

Is Alloy

Technique::

Hot rolled or cold rolled

Special pipe::

API/ ASME/thickwall/oil/gas/water pipe

Length::

3-12m

Treatment of two ends::

Beveled end , plain end etc

Brand::

Bai Chuan

Third Party Inspection::

BV, SGS etc.

Schedule::

SCH10-SCH160, XS, XXS

Other Material::

10#, 20#, 16Mn, Q345 etc

Material Type::

Carbon steel/ Low alloy steel

Producing standard::

American/Japanese/ German/ Britain/ Chinese standard

Grade:

A53(A,B),A106(B,C),A210,API J55,St37,STPG42,A53-A369,API J55-API P110,ST35-ST52

Standard:

BS EN10296,JIS G3452-2004





1. Out Diameter:

21.3mm-1220mm 

2. Wall Thickness:

3mm-60mm

3. Length:

3m-12m

4. Producing Standard:

  • American ASME B36.10M, ASTM, API 5L, API 5CT

  • Japanese JIS

  • German DIN

  • Chinese GB

  • BS standard

5. Main Material:

(Carbon Steel & Low Alloy steel)

  • ASTM A53, A106, A210, A252, A333 etc;

  • X42, X46, X52, X60, X65, X70 etc;

  • JIS STPG42, G3454, G3456 etc;

  • German St37, St42, St45, St52, DIN1626, DIN17175

  • Chinese 20#, Q345, 16Mn etc.

6. Special specifications:

Available according to customer’s requirements and quantity.

7. End Shape:

Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements.

8. Surface treatment:

Painted, Oiled, galvanized, phosphate etc.

9. Usage:

  • Widely used in the mechanical treatment field, petrochemical industry, transport and construction field

  • Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc;

  • The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc

  • Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc

10. Certificates:

ISO9001-2000, ISO14000, ISO18000, API 5L certificate

11. Third party inspection:

Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products.

12. Pictures:

our producing flow chart, our factory, production line, inspecting equipments, our products are listed below for your reference.


Q: What are the different methods of pipe coating for steel pipes?
Steel pipes can be coated using various methods, each with its own benefits and uses. One widely used technique is fusion bonded epoxy (FBE) coating. This involves heating the steel pipe and applying a thermosetting powder that melts and sticks to the surface, resulting in a robust and long-lasting coating. FBE coating is excellent for preventing corrosion and is commonly employed in the oil and gas industry. Another method is liquid epoxy coating, where a liquid epoxy resin is applied to the steel pipe's surface. Once it cures, it forms a protective barrier. Liquid epoxy coating is suitable for smaller pipes and provides good resistance to chemicals. Polyethylene (PE) coating is a popular option, especially for pipes that will be buried underground. It involves wrapping the steel pipe with a layer of polyethylene, which offers exceptional resistance against water, chemicals, and abrasion. Polyurethane (PU) coating is another choice, known for its high chemical resistance and flexibility. It is often used in offshore applications and extreme temperature environments. Other pipe coating methods include coal tar enamel (CTE) coating, which provides excellent water and chemical resistance, and concrete weight coating, which adds weight to the pipe for stability in underwater or subsea applications. To summarize, the available methods for coating steel pipes include fusion bonded epoxy (FBE), liquid epoxy, polyethylene (PE), polyurethane (PU), coal tar enamel (CTE), and concrete weight coating. The selection of a coating method depends on specific requirements, such as corrosion protection, chemical resistance, or stability.
Q: How do you calculate the pipe deflection for steel pipes?
To calculate the pipe deflection for steel pipes, you need to consider several factors. The deflection of a pipe is the bending or displacement that occurs when a load is applied to it. Here are the steps to calculate the pipe deflection: 1. Determine the properties of the steel pipe: You need to know the material properties of the steel pipe, including its Young's modulus (E) and its moment of inertia (I). Young's modulus represents the stiffness of the material, while the moment of inertia measures its resistance to bending. 2. Identify the load applied: Determine the type and magnitude of the load that will be applied to the pipe. This could include factors such as internal pressure, external loads, or thermal expansion. 3. Use the appropriate formula: Depending on the type of load and the support conditions of the pipe, you will need to use the appropriate formula to calculate the deflection. For example, if the pipe is simply supported (fixed at both ends), you can use the formula δ = (5 * w * L^4) / (384 * E * I), where δ represents the deflection, w is the load per unit length, L is the length of the pipe, and E and I are the material properties mentioned earlier. 4. Input the values and calculate: Plug in the values of the load, pipe length, and material properties into the formula. By doing so, you can calculate the deflection of the steel pipe. It is important to note that the calculation of pipe deflection is a complex process that requires expertise in structural engineering. Therefore, it is advisable to consult a professional engineer or use specialized software for accurate and reliable results.
Q: How are steel pipes used in the defense sector?
Steel pipes are used in the defense sector for various purposes such as constructing military infrastructure, including bunkers, underground facilities, and missile silos. They are also utilized in the manufacturing of military vehicles, weapons systems, and equipment. Steel pipes provide strength, durability, and resistance to extreme conditions, making them ideal for applications in the defense sector.
Q: How are steel pipes used in the construction of pipelines?
Steel pipes are commonly used in the construction of pipelines due to their durability, strength, and resistance to corrosion. These pipes are welded together to form a continuous line, allowing fluids or gases to be transported over long distances. The steel pipes are essential for ensuring a reliable and efficient flow of materials, such as oil, gas, or water, in various industries, including oil and gas, water supply, and infrastructure development.
Q: What is the difference between steel pipes and PEX pipes?
Steel pipes are made from steel, a durable and strong material, while PEX pipes are made from cross-linked polyethylene, a flexible and lightweight material. Steel pipes are typically used for high-pressure applications, such as plumbing systems in commercial buildings, while PEX pipes are commonly used in residential plumbing due to their ease of installation, resistance to freezing and bursting, and lower cost. Additionally, steel pipes require threading and soldering for connections, while PEX pipes use push-fit or crimp fittings, making them easier to work with.
Q: Can steel pipes be used for transporting slurry?
Yes, steel pipes can be used for transporting slurry. Steel pipes are commonly used in various industries, including mining, construction, and oil and gas, for transporting different types of fluids, including slurry. Slurry is a mixture of solid particles suspended in a liquid, usually water, and steel pipes have the required strength and durability to handle the abrasive nature of slurry. Additionally, steel pipes have excellent resistance to corrosion, which is crucial when dealing with slurry that may contain corrosive elements. The smooth inner surface of steel pipes also helps to minimize friction and ensure efficient flow of the slurry. Overall, steel pipes are a reliable and commonly used choice for transporting slurry due to their strength, durability, corrosion resistance, and smooth inner surface.
Q: Are steel pipes suitable for use in acidic environments?
Yes, steel pipes are generally suitable for use in acidic environments. However, the specific grade of steel and the concentration of the acid should be considered to ensure proper corrosion resistance. Coating or lining the pipes with materials such as epoxy or rubber can also enhance their resistance to acidic conditions.
Q: How are steel pipes insulated to prevent condensation?
Steel pipes are typically insulated using materials such as foam or fiberglass wraps, which act as a barrier between the cold pipe surface and the surrounding air. This insulation prevents the formation of condensation by reducing heat transfer and maintaining the pipe temperature above the dew point of the air.
Q: What are the different grades of steel used in pipes?
There are several different grades of steel used in pipes, including carbon steel, alloy steel, and stainless steel. Carbon steel pipes are commonly used for general-purpose applications, while alloy steel pipes are often used in high-temperature and high-pressure environments. Stainless steel pipes are known for their corrosion resistance and are frequently used in industries such as chemical, food processing, and pharmaceuticals.
Q: What are the different types of steel pipe elbows?
There are several different types of steel pipe elbows, including 45-degree elbows, 90-degree elbows, and 180-degree elbows. These elbows are used to change the direction of the flow in a piping system and are available in various sizes and materials to suit different applications and requirements.

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