• Seamless Steel Tubes And Pipes For Low And Medium Pressure Boiler System 1
  • Seamless Steel Tubes And Pipes For Low And Medium Pressure Boiler System 2
  • Seamless Steel Tubes And Pipes For Low And Medium Pressure Boiler System 3
Seamless Steel Tubes And Pipes For Low And Medium Pressure Boiler

Seamless Steel Tubes And Pipes For Low And Medium Pressure Boiler

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Loading Port:
China Main 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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Specifications of Seamless Steel Tubes And Pipes For Low And Medium Pressure Boiler:

 

Standard: Chinese GB3087

 

Main steel pipe grade : 1020Other 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 StrengthMpa

Yield Strength(Mpa)

Elongation%

10

335~475

≥ 195

≥ 24

20

410~550

≥ 245

≥ 20

Usage/Applications:

For manufacturingheating-pipelinerscontainerssteaming pipeliners of low/medium pressure boilers(P<5.88Mpa,T<450℃)

Packaging & Delivery:

Each bundles pipes will be bundled with 6-8 pcs steel strips and with shipping marks and 2 nylon strips 

40-50 days delivery on china port upon receiving orinigal LC or prepayment.

 

Q: How are steel pipes protected against chemical corrosion?
Steel pipes are protected against chemical corrosion through various methods such as coating them with corrosion-resistant materials like epoxy or polyethylene. Additionally, cathodic protection techniques like applying sacrificial anodes or using impressed current systems can also be employed to prevent chemical corrosion on steel pipes.
Q: Can steel pipes be used for conveying sewage sludge?
Indeed, sewage sludge can be conveyed using steel pipes. Steel pipes possess several properties that render them suitable for this purpose. Firstly, their strength and durability enable them to endure the pressure and weight of sewage sludge without collapsing or fracturing. This is of utmost importance as sewage sludge can be quite heavy and may contain solids that could exert stress on the pipes. Secondly, steel pipes exhibit resistance to corrosion, which is crucial when conveying sewage sludge that frequently contains corrosive components. By utilizing corrosion-resistant steel pipes, one can ensure a prolonged lifespan and minimize the risk of leaks or damage. Moreover, steel pipes can be manufactured in various sizes and diameters, granting flexibility in the design of sewage systems to meet specific requirements. Nonetheless, it is vital to emphasize the necessity of proper maintenance and regular cleaning to prevent sludge buildup and maintain the pipes' efficiency.
Q: What are the factors to consider when selecting pipe materials for high-temperature applications?
When selecting pipe materials for high-temperature applications, it is important to consider factors such as the maximum operating temperature, corrosion resistance, thermal expansion properties, mechanical strength, and cost. The chosen material should be able to withstand the anticipated temperature without deformation or degradation, resist corrosion from the process fluid or environment, have a low coefficient of thermal expansion to minimize stress on the pipe, possess sufficient mechanical strength to handle the pressure and load, and be cost-effective for the specific application.
Q: How are steel pipes coated to prevent internal corrosion?
Steel pipes are coated to prevent internal corrosion through a process called internal coating. This involves applying a protective layer of epoxy or polyethylene coating on the inner surface of the pipes. This coating acts as a barrier between the steel surface and the fluid being transported, preventing the corrosive elements from coming into direct contact with the steel and reducing the risk of internal corrosion.
Q: Can steel pipes be used for conveying hydraulic fluids?
Yes, steel pipes can be used for conveying hydraulic fluids. Steel pipes are commonly used in hydraulic systems due to their high strength, durability, and resistance to high-pressure environments. They can effectively transport hydraulic fluids without leakage or significant loss in pressure.
Q: Galvanized steel pipe in addition to good rust resistance, what are the advantages?
Because the zinc has been plated outside the steel tube, the time for oiling or painting outside is omitted, and the construction is more convenient;
Q: Can steel pipes be used for underground chemical injection?
Underground chemical injection can utilize steel pipes. These pipes are widely employed across industries due to their durability, strength, and resistance to corrosion. For underground chemical injection purposes, steel pipes bring various advantages. They can endure high pressure and temperature, making them suitable for the transportation and injection of chemicals into the ground. Furthermore, steel pipes exhibit superb chemical resistance, guaranteeing that they will not interact with the injected chemicals and compromise the system's integrity. Nevertheless, it is crucial to select the appropriate grade of steel pipe that is compatible with the specific chemicals being injected to ensure optimal performance and longevity. Regular maintenance and inspections are also necessary to identify any potential corrosion or damage to the pipes, thus ensuring the safe and efficient operation of the chemical injection system.
Q: How are steel pipes used in construction?
Steel pipes are commonly used in construction for various purposes such as structural support, plumbing, and transportation of fluids and gases. They are used in building frameworks, bridges, and underground infrastructure, providing strength, durability, and flexibility. Steel pipes are often employed in plumbing systems for water supply and drainage. Additionally, they serve as conduits for conveying gas, oil, and other substances. Their versatility and strength make steel pipes an essential component in modern construction projects.
Q: Are steel pipes resistant to UV degradation?
No, steel pipes are not resistant to UV degradation.
Q: How do you calculate the weight of a steel pipe?
To calculate the weight of a steel pipe, you would need to know the dimensions of the pipe, specifically the outer diameter (OD), wall thickness, and length. Firstly, you need to determine the cross-sectional area of the pipe. This can be done by subtracting the inner diameter (ID) from the outer diameter (OD) and dividing the result by 2 to get the radius. Then, you can use the formula A = πr^2 to calculate the area. Next, multiply the cross-sectional area by the length of the pipe to get the volume. The formula for volume is V = A * L, where A is the cross-sectional area and L is the length. Finally, to calculate the weight of the steel pipe, you need to multiply the volume by the density of steel. The density of steel is typically around 7850 kilograms per cubic meter (kg/m^3) or 0.2836 pounds per cubic inch (lb/in^3). The formula for weight is W = V * ρ, where V is the volume and ρ is the density of steel. It's important to note that if you are working with different units, you will need to convert them to match the units of the density. For example, if the length is in feet and the density is in pounds per cubic inch, you would need to convert the length to inches before performing the calculations. Remember to double-check your measurements and calculations to ensure accuracy.
After more than a decade’s construction and development, we have taken a leading position in seamless steel tube industry in China. In the year 2007, it awarded Famous-brand product Certificate. Besides, we have been named as excellent supplier of Qualified Products by our customers for several times.

1. Manufacturer Overview

Location Wuxi, China
Year Established 1991
Annual Output Value 300,000Tons
Main Markets Europe; Southeast Asia; etc.
Company Certifications API 5L;API 5CT;API Q1;ISO/TS29001

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a) Trade Capacity
Nearest Port Wuxi; Shanghai
Export Percentage 41% - 50%
No.of Employees in Trade Department 3900-4000 People
Language Spoken: English; Chinese; Spanish
b) Factory Information
Factory Size: Above 450,000 square meters
No. of Production Lines Above 10
Contract Manufacturing OEM Service Offered;Design Service Offered
Product Price Range Average

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