• High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME System 1
  • High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME System 2
  • High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME System 3
High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME

High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME

Ref Price:
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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
22 m.t.
Supply Capability:
333 m.t./month

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Product Description:

1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade:  10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension: 

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD   +1%/-1%

                         WT  +12.5%/-10%

PICTURES:

High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME

High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME

High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME

High manufacturing accuracy Seamless Black Steel Pipes API5L,GB,ASTM,ASME

 

Q:What are the thermal properties of steel pipes?
Steel pipes have excellent thermal properties. They have a high thermal conductivity, which means they can efficiently transfer heat. Additionally, steel pipes have a high melting point, making them suitable for handling high temperatures without any significant deformation or damage.
Q:What kinds of steel pipe are divided into?
According to the weld shape can be divided into longitudinal welded pipe and spiral welded pipeStraight welded pipe: the production process is simple, high production efficiency, low cost, rapid developmentSpiral welded pipe: strength ratio of longitudinal welded pipe is high, with a narrow billet production of large diameter pipe, also can use the blank production of the width of the same diameter of different pipe. But with the same length of straight pipe, weld length of 30~100%, and the production rate is low. Therefore, the smaller diameter pipe most used straight large diameter pipe welding, mostly using spiral welding.Dividedagain general welded pipe, galvanized pipe, blowing pipe, wire tube, pipe metric, roller tube, deep well pump, tube for automobile, transformer tube, welding, welding of thin-walled tube shaped tube and spiral welded pipe.General general pipe: pipe used for conveying the low-pressure fluid. Q195A, Q215A and Q235A made of steel. Also can be used for easy welding of mild steel. The other pipe to conduct water pressure, bending and flattening test, have certain requirements on the surface quality, usually the delivery length is 4-10m, often requires a fixed length (or size) of delivery. The specifications of welded pipe with nominal diameter (mm or inches) nominal diameter and different pipe wall thickness, according to the provisions of general steel and thicker steel two, steel pipe end is divided according to form of threaded and non threaded two.
Q:What is the cost of steel pipes compared to other piping materials?
The cost of steel pipes compared to other piping materials can vary depending on factors such as the size, grade, and specifications of the pipes, as well as market conditions and location. In general, steel pipes tend to be more expensive than some alternative piping materials such as PVC (polyvinyl chloride) or HDPE (high-density polyethylene). However, when compared to other materials like copper or stainless steel, steel pipes can often be more cost-effective. Steel pipes are known for their durability, strength, and resistance to high pressures and temperatures, making them suitable for various applications such as oil and gas pipelines, plumbing systems, and structural supports. Their longevity and reliability can offset the initial higher cost, as they often require less maintenance and have a longer lifespan than other materials. Additionally, steel pipes are readily available in different sizes and grades, making them versatile and adaptable to different project requirements. This availability and versatility can contribute to their cost-effectiveness, as they can be easily sourced and customized to specific needs. It's important to note that prices for steel pipes can fluctuate due to market conditions and factors such as raw material costs, transportation expenses, and labor charges. Therefore, it is advisable to consult with suppliers or industry experts to get accurate pricing information for steel pipes based on specific project specifications and market conditions.
Q:Can steel pipes be used for geothermal applications?
Yes, steel pipes can be used for geothermal applications.
Q:How do you protect steel pipes from rusting?
There are several ways to prevent rusting in steel pipes. One common method involves applying a protective coating to the pipes. This can be done using paint or other coatings specifically designed for metal surfaces. The coating acts as a barrier between the steel and the elements, stopping moisture and oxygen from reaching the metal and causing rust. Another method is to galvanize the steel pipes. This involves coating them with a layer of zinc, which creates a protective barrier against rust. Galvanizing is often used for outdoor applications or in environments with high moisture levels. Regular maintenance is also important for preventing rust. It is necessary to inspect the pipes for corrosion or damage and address any issues immediately. Keeping the pipes clean and dry can also help prevent rust formation. In some cases, sacrificial anodes can provide additional protection. These anodes, made of zinc or magnesium, are attached to the steel pipes. They corrode instead of the steel, sacrificing themselves to protect the pipes from rust. Proper storage and handling of steel pipes are crucial as well. They should be stored in a dry, well-ventilated area, away from moisture and humidity. Care should be taken to avoid scratching or damaging the protective coatings when handling the pipes. By implementing these methods and practices, steel pipes can be effectively safeguarded against rust, ensuring their longevity and durability.
Q:Can steel pipes be coated for additional protection?
Yes, steel pipes can be coated for additional protection. Coatings such as epoxy, polyethylene, or zinc can be applied to steel pipes to enhance their durability, corrosion resistance, and longevity.
Q:Can steel pipes be painted or coated?
Yes, steel pipes can be painted or coated. Painting or coating steel pipes is a common practice to protect them from corrosion, improve their appearance, or to meet specific industry requirements. The process involves cleaning the pipes to remove dirt, grease, and rust, followed by applying a primer and then the desired paint or coating. The choice of paint or coating depends on the intended use of the pipes. For example, epoxy coatings are often used for water or wastewater pipelines, while high-temperature resistant coatings are applied to pipes used in industrial settings. Overall, painting or coating steel pipes can enhance their durability and performance.
Q:What is the average lifespan of a steel pipe?
The average lifespan of a steel pipe can vary depending on various factors such as its quality, usage conditions, maintenance, and exposure to external factors. However, on average, a properly installed and maintained steel pipe can last anywhere from 20 to 100 years or more.
Q:How to make the steel pipe spray paint is not easy to fall off?
First, clean the surface of the object to be sprayed (pay attention to whether or not to paint off, which is the key):Remove rust stains, oil and so on, when spraying, the nozzle and spray the best distance is 20cm, should be two times forming, first thin spray again, dry, and then spray second times, this is more uniform, and not easy to hang
Q:Can steel pipes be used for heat transfer applications?
Yes, steel pipes can be used for heat transfer applications. Steel is a good conductor of heat, which makes it an excellent choice for transferring thermal energy from one place to another. Steel pipes are commonly used in various heat transfer systems such as heating, ventilation, and air conditioning (HVAC) systems, industrial process heating, and steam distribution networks. The high thermal conductivity of steel allows for efficient heat transfer, ensuring that heat is effectively transported and distributed throughout the system. Additionally, steel pipes have good strength and durability, making them suitable for withstanding high temperatures and pressures often encountered in heat transfer applications. Overall, steel pipes are a reliable and widely used solution for heat transfer purposes.

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