• GB3087 Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler System 1
  • GB3087 Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler System 2
  • GB3087 Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler System 3
GB3087 Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler

GB3087 Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler

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Loading Port:
TianJin Port
Payment Terms:
TT or LC
Min Order Qty:
50 MT m.t.
Supply Capability:
5000 Tons Per Month m.t./month

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Seamless steel tubes and pipes for low and medium pressure boiler

 Standard of Seamless steel tubes and pipes for low and medium pressure boiler: Chinese GB3087

 

Application of Seamless steel tubes and pipes for low and medium pressure boiler:For manufacturing ,heating-pipeliners ,containers,steaming pipeliners of low/medium pressure boilers(P<5.88Mpa,T<450℃)

 

Main steel pipe grade of Seamless steel tubes and pipes for low and medium pressure boiler: 10、20(Other grade is also negotiable.)

 

Chemical Compositon & Mechanical Propertise :

Standard

Grade

Chemical Compositon

C

Mn

Si

Cr

Ni

Cu

P.S

GB3087

10

0.07~0.14

0.35~0.65

0.17~0.37

≤ 0.15

≤ 0.30

≤ 0.20

≤ 0.030

20

0.17~0.24

0.35~0.65

0.17~0.37

≤ 0.25

≤ 0.25

≤ 0.20

≤ 0.030

Mechanical Propertise

Tensile Strength(Mpa)

Yield Strength(Mpa)

Elongation(%)

10

335~475

≥ 195

≥ 24

20

410~550

≥ 245

≥ 20

 

GB3087 Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler

 

GB3087 Seamless Steel Tubes and Pipes for Low and Medium Pressure Boiler

Q: How are steel pipes used in wastewater treatment?
Steel pipes are an essential component in the wastewater treatment process. They are used to transport and distribute wastewater from various sources to the treatment facilities. Steel pipes are chosen for this purpose due to their durability, strength, and resistance to corrosion. In wastewater treatment plants, steel pipes are commonly used for multiple applications. Firstly, they are used for the intake of raw wastewater. These pipes are typically large in diameter to accommodate the high flow rate of incoming wastewater. Steel pipes are ideal for this purpose as they can withstand the pressure and turbulence of the wastewater flow. Once inside the treatment facility, steel pipes are used to transport the wastewater to different treatment processes. They connect various units such as screens, grit chambers, sedimentation tanks, and biological reactors. Steel pipes are preferred in these applications due to their ability to handle the corrosive elements present in wastewater, such as chemicals, acids, and gases. Additionally, their durability ensures a long service life, reducing maintenance and replacement costs. Steel pipes are also utilized in the wastewater treatment process for the distribution of treated water. After the wastewater is treated, it undergoes disinfection and other processes to remove harmful contaminants. The treated water is then distributed through steel pipes to be reused for irrigation, industrial processes, or discharged back into water bodies. Furthermore, steel pipes are employed in the construction of wastewater treatment infrastructure. They are used in the installation of underground sewer lines, pumping stations, and manholes. Steel pipes provide the necessary strength and stability to withstand the weight of the soil and other external forces. In summary, steel pipes play a vital role in wastewater treatment by transporting and distributing wastewater, connecting different treatment units, and distributing treated water. Their durability, resistance to corrosion, and ability to handle high-pressure flows make them an ideal choice for this demanding application.
Q: How are steel pipes coated for aesthetic purposes?
Steel pipes can be coated for aesthetic purposes in several ways. One common method is through the application of a powder coating. Powder coating involves spraying a dry powder onto the surface of the steel pipe and then heating it to create a durable and attractive finish. This process allows for a wide range of color options and provides a smooth, even coating. Another method used for aesthetic coating is electroplating. Electroplating involves immersing the steel pipe in a solution containing metal ions, such as chrome or zinc, and passing an electric current through it. This causes the metal ions to bond with the surface of the pipe, creating a thin, decorative layer. Electroplating can produce a variety of finishes, including shiny, reflective surfaces or more matte, textured appearances. Painting is also a common method for coating steel pipes for aesthetic purposes. This involves applying a liquid paint or enamel to the surface of the pipe. By choosing different colors, textures, and finishes, painting allows for a wide range of aesthetic possibilities. However, it is important to ensure that the paint used is specifically formulated to adhere to metal surfaces and withstand the environmental conditions the pipe will be exposed to. In addition to these methods, steel pipes can also be coated using techniques such as hot-dip galvanizing or metal cladding. These processes involve the application of a layer of another metal, such as zinc or aluminum, to the surface of the steel pipe. This not only enhances the appearance of the pipe but also provides protection against corrosion, extending its lifespan. Overall, there are multiple methods available for coating steel pipes for aesthetic purposes. Each method offers its own advantages and can be chosen based on the desired appearance, durability, and environmental conditions. It is important to consider factors such as color, texture, finish, and protective properties when selecting the coating method to ensure the desired aesthetic result is achieved.
Q: What are the common methods for repairing steel pipes?
Depending on the nature and extent of the damage, there are several common methods available for repairing steel pipes. One method frequently used is welding. This technique involves melting the damaged area and fusing it with a new piece of steel. Welding is typically employed for small cracks or holes in the pipe. Different welding techniques, such as shielded metal arc welding (SMAW), gas metal arc welding (GMAW), or tungsten inert gas (TIG) welding, can be utilized. Another option is pipe wrapping or bandaging. This method entails wrapping a layer of adhesive tape or resin-soaked fiberglass around the damaged section of the pipe. It is suitable for addressing small leaks or corrosion spots and serves as a temporary solution until a more permanent fix can be implemented. If the damage is extensive or the pipe suffers severe corrosion, pipe lining or relining may be necessary. This involves inserting a new pipe liner inside the existing one, effectively creating a new pipe within the old one. Various materials, such as epoxy, polyethylene, or cured-in-place pipe (CIPP), can be used for this method. Pipe lining is commonly employed for larger diameter pipes or when replacement is not feasible. In some instances, minor leaks or cracks can be repaired using pipe clamps or sleeves. These devices are designed to be clamped around the damaged section and can provide either a temporary or permanent solution, depending on the severity of the damage. Ultimately, the choice of repair method depends on factors such as the extent of the damage, accessibility of the damaged area, budget constraints, and the required long-term durability. It is advisable to consult with a professional pipe repair specialist to assess the specific situation and determine the most suitable method for repairing steel pipes.
Q: How to perform nondestructive inspection of steel tubes
The detection principle is based on the ferromagnetic material is magnetized in a magnetic field, discontinuity materials and products (defects) produce leakage magnetic field, magnetic powder adsorption (or detecting) and appear (or on the instrument display). Therefore, this method can only be used for the inspection of the surface or near surface defects of ferromagnetic materials or products.
Q: What are the different types of gaskets used with steel pipes?
There are several types of gaskets commonly used with steel pipes, including spiral wound, ring joint, and flat gaskets. Spiral wound gaskets are made by winding a metal strip and a filler material together, providing excellent sealing properties. Ring joint gaskets are typically used in high-pressure applications and have a metallic ring shape to ensure a tight seal. Flat gaskets, on the other hand, are simple, flat pieces of material, often made from rubber or graphite, and are used for low-pressure applications.
Q: How do you calculate the pipe flow rate for steel pipes?
In order to calculate the flow rate of steel pipes, one must take into account various factors. Initially, the inside diameter of the pipe, which is commonly represented as D, needs to be determined. Subsequently, the length of the pipe, denoted as L, should be measured. Furthermore, one must be aware of the pressure drop, ΔP, across the pipe and the density of the fluid, ρ. Once all this information is obtained, either the Darcy-Weisbach equation or the Hazen-Williams equation can be utilized to calculate the flow rate. The Darcy-Weisbach equation is typically employed for pipes with turbulent flow, whereas the Hazen-Williams equation is commonly used for pipes with laminar flow. For the Darcy-Weisbach equation, the formula is as follows: Q = (π/4) * D^2 * √(2ΔP/ρ) Here, Q denotes the flow rate in cubic meters per second, D represents the inside diameter of the pipe in meters, ΔP signifies the pressure drop across the pipe in pascals, and ρ stands for the fluid density in kilograms per cubic meter. On the other hand, for the Hazen-Williams equation, the formula is as follows: Q = C * (D^2.63) * (ΔP^0.54) * (L^0.63) In this case, Q represents the flow rate in cubic meters per second, D denotes the inside diameter of the pipe in meters, ΔP signifies the pressure drop across the pipe in pascals, L represents the length of the pipe in meters, and C represents the Hazen-Williams coefficient, which relies on the roughness of the pipe. To ensure an accurate calculation of the pipe flow rate, it is imperative to maintain consistent units of measurement throughout the calculation. Additionally, precise measurements of the inside diameter, length, pressure drop, and fluid density are crucial in obtaining reliable results.
Q: Can steel pipes be used for drinking water supply?
Yes, steel pipes can be used for drinking water supply. Steel pipes are commonly used in water distribution systems due to their strength, durability, and ability to withstand high pressures. However, it is important to note that the steel used in these pipes must be specifically designed and approved for potable water applications to ensure that it does not contaminate the water with any harmful substances. Additionally, proper maintenance and regular inspections are necessary to prevent the formation of rust or corrosion, which can affect the quality of the water.
Q: Can steel pipes be used for industrial ventilation systems?
Yes, steel pipes can be used for industrial ventilation systems. They are commonly used due to their durability, resistance to corrosion, and ability to withstand high temperatures. Steel pipes are also strong and can handle the pressure required for efficient airflow in industrial environments.
Q: How are steel pipes inspected for quality?
Steel pipes are inspected for quality through various methods such as visual inspection, non-destructive testing techniques like ultrasonic testing, magnetic particle inspection, and radiographic testing. These inspections help identify any defects, cracks, or imperfections in the pipes, ensuring they meet the required quality standards. Additionally, mechanical tests such as tensile strength and hardness tests may also be conducted to assess the structural integrity of the steel pipes.
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.
Our product range covers include seamless steel pipes for high temperature, heat-exchanger condenser and boiler, cold drawn or cold-rolled precision pipe, fin tubes, special shaped pipes, API series oil well pipes, ASME/DIN/JIS/EN series seamless tubes. Based on strict quality control and scientific management system, the cooperation has successfully obtained International Quality System certificate of ISO9001:2000(12809Q10292ROM), monogram certificates of API 5L (5L-0596) & API 5CT (5CT-0872) and BV certificate (MAT77113-2009)for ship building usage production.

1. Manufacturer Overview

Location Jiangsu, China
Year Established 1992
Annual Output Value 60,000Tons
Main Markets Europe and the United States;Canada; India;Bulgaria; South Korea;etc.
Company Certifications API 5L;API 5CT;GB/T19001-2008 idt ISO9001:2008

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a) Trade Capacity
Nearest Port Yan Cheng
Export Percentage 50% - 60%
No.of Employees in Trade Department 400-500 People
Language Spoken: English; Chinese; Spanish
b) Factory Information
Factory Size: Above 110,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered; Design Service Offered
Product Price Range Average

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