• Seamless steel pipe ASTM A106/API 5L/ASTM A53 20# System 1
  • Seamless steel pipe ASTM A106/API 5L/ASTM A53 20# System 2
Seamless steel pipe ASTM A106/API 5L/ASTM A53 20#

Seamless steel pipe ASTM A106/API 5L/ASTM A53 20#

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
5000 m.t./month

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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%

12. Chemical composition:

 

Models of Steel Pipes

Chemical Component

 

Steel 20

 (ASTM A106B)

C

Si

Mn

P

S

Cu

Ni

Cr

0.17~0.24

0.17~0.37

0.35~0.65

0.035max

0.035max

0.25max

0.25max

0.25max

Steel45 (ASTM 1045)

0.42~0.50

0.17~0.37

0.50~0.80

0.035max

0.035max

0.25max

0.25max

0.25max

16Mn(Q345B)

0.12~0.20

0.20~0.55

1.20~1.60

0.035max

0.035max

0.25max

0.25max

0.25max

45Mn2 ( ASTM1345)

0.42~0.49

0.17~0.37

1.40~1.80

0.035max

0.035max

0.3max

0.3max

0.30max

 

 


Q:Can steel pipes be coated for aesthetic purposes?
Yes, steel pipes can be coated for aesthetic purposes. Coatings such as paint, powder coating, or galvanizing can be applied to steel pipes to enhance their visual appearance and protect them from corrosion. These coatings can provide a variety of colors and finishes to suit different aesthetic requirements.
Q:What are the different standards for steel pipes?
There are several different standards for steel pipes that are used to ensure quality and compatibility in various applications. Some of the most commonly used standards include: 1. ASTM (American Society for Testing and Materials): ASTM standards are widely used in the United States and provide specifications for various types of steel pipes, including seamless and welded pipes. These standards cover dimensions, mechanical properties, and general requirements for steel pipes. 2. API (American Petroleum Institute): API standards are specifically designed for oil and gas industry applications. These standards provide guidelines for the manufacturing, testing, and inspection of steel pipes used in the oil and gas exploration, production, and transportation sectors. 3. DIN (Deutsches Institut für Normung): DIN standards are widely used in Europe and provide specifications for various steel pipe types, including seamless, welded, and cast iron pipes. These standards cover dimensions, materials, and technical delivery conditions for steel pipes used in various industries. 4. BS (British Standards): BS standards are widely used in the United Kingdom and cover specifications for steel pipes used in construction, engineering, and other applications. These standards provide guidelines for dimensions, materials, and manufacturing processes for steel pipes. 5. JIS (Japanese Industrial Standards): JIS standards are widely used in Japan and cover specifications for various steel pipe types, including seamless, welded, and cast iron pipes. These standards provide guidelines for dimensions, materials, and technical delivery conditions for steel pipes used in various industries. 6. ISO (International Organization for Standardization): ISO standards are recognized globally and provide specifications for steel pipes used in various industries. These standards cover dimensions, materials, testing, and quality control requirements for steel pipes. It is important to note that different industries and applications may have specific requirements, and therefore, it is essential to refer to the relevant standard for each specific use case. Adhering to these standards ensures the safety, reliability, and compatibility of steel pipes in their respective applications.
Q:What are the quality control measures for steel pipe production?
Quality control measures for steel pipe production typically include the inspection of raw materials, monitoring of manufacturing processes, and testing of finished products. These measures ensure that the steel pipes meet the required specifications and standards. Additionally, quality control may involve conducting visual inspections, dimensional checks, non-destructive testing, and mechanical testing to ensure the strength, durability, and overall quality of the pipes.
Q:How do you measure the thickness of steel pipes?
One common method to measure the thickness of steel pipes is to use a specialized tool called a pipe thickness gauge. This device consists of a small, handheld instrument with a probe that is inserted into the pipe. By applying pressure to the probe, the gauge can accurately determine the thickness of the pipe's wall. Additionally, ultrasonic testing can also be employed to measure the thickness by sending sound waves through the pipe and analyzing the reflections.
Q:What is the creep resistance of steel pipes?
The ability of steel pipes to withstand deformation or elongation over time when exposed to high temperatures and constant stress is referred to as their creep resistance. Steel pipes are highly regarded for their exceptional resistance to creep because of the inherent strength and stability of the material. The creep resistance of steel pipes can vary depending on factors like the composition of the alloy, heat treatment, and the conditions in which they are used. Creep is a phenomenon that occurs at elevated temperatures, causing materials to slowly deform under constant stress. In the case of steel pipes, this can be a concern in applications where they are subjected to high temperatures for extended periods, such as in power plants, industrial furnaces, or steam pipelines. The ability to resist creep deformation is crucial to maintain the structural integrity and longevity of the pipes. Steel pipes are often designed and manufactured using alloys with high creep resistance properties, such as chromium-molybdenum (Cr-Mo) steels or nickel-based alloys. These alloys possess excellent mechanical strength, thermal stability, and resistance to oxidation and corrosion, all of which contribute to their superior creep resistance. Moreover, heat treatment processes like quenching and tempering can significantly enhance the creep resistance of steel pipes. These treatments involve controlled heating and cooling cycles to optimize the microstructure of the steel, thereby increasing its resistance to deformation and improving its overall performance at high temperatures. It is important to note that the creep resistance of steel pipes is typically specified by industry standards and codes, such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. These standards define the allowable stress levels and design criteria for different steel pipe applications, ensuring that they meet the necessary safety and performance standards. In summary, steel pipes are renowned for their excellent creep resistance due to their inherent strength, stability, and ability to withstand high temperatures. The specific creep resistance of steel pipes may vary depending on factors such as alloy composition, heat treatment, and operating conditions. Proper design and adherence to industry standards are essential to ensure the desired creep resistance and overall performance of steel pipes in various applications.
Q:How are steel pipes used in the telecommunications sector?
Steel pipes are commonly used in the telecommunications sector for various purposes. Firstly, steel pipes are used as conduit for underground cable installations. These pipes provide protection and support to the fiber optic cables that carry data and voice signals across long distances. The sturdy nature of steel pipes ensures that the cables remain safe from external factors such as moisture, rodents, and accidental damage. Additionally, steel pipes are used in the construction of telecommunication towers and masts. These structures require a strong and durable material to support the weight of antennas, transmitters, and other equipment. Steel pipes, with their high tensile strength and resistance to harsh weather conditions, are ideal for this purpose. Moreover, steel pipes are used for the installation of overhead communication lines. These lines are often suspended between poles or towers, and steel pipes are used as supports or brackets to hold the cables in place. The corrosion-resistant properties of steel make it a reliable choice for outdoor installations that are exposed to the elements. In summary, steel pipes play a crucial role in the telecommunications sector by providing protection, support, and durability to cable installations, tower constructions, and overhead communication lines. Their strength and resistance to environmental factors make them an essential component in building and maintaining reliable telecommunications networks.
Q:What is lined pipe?
Is the coating of the inside of the pipe, such as pipe conveying sulfuric acid will corrode, corrosion, but soft plastic pipe, buried in the ground to wall thicker, then you can use the liner and characteristics of hard for using steel pipe laying, sheathed in the steel pipe into the thin plastic tube, it can transport the sulfuric acid,
Q:What is the diameter of the steel tube DN20?
Pipe installation without conversion, because in the same standard in the same diameter connecting dimensions of the same nominal pressure level of the same, and the same material have the same diameter, the nominal diameter of the purpose is to facilitate connectivity
Q:What are the different methods of pipe insulation for steel pipes?
There are several methods of pipe insulation for steel pipes, including foam insulation, fiberglass insulation, mineral wool insulation, and reflective insulation. Foam insulation is a popular choice as it provides excellent thermal insulation and is easy to install. Fiberglass insulation is another common option that offers good thermal and acoustic insulation properties. Mineral wool insulation is known for its fire resistance and is often used in high-temperature applications. Reflective insulation, on the other hand, utilizes a reflective surface to reduce heat transfer and is commonly used in hot climates.
Q:What type of steel pipe for security windows?
25 parties, 70 parties in general! Good point of about 90; 25/38 general 90, a good point of about 120! The model is usually 202. If 304 is used, it is usually multiplied by 2! Plastic steel window material is hard plastic! Inside a single glass lined steel prices have 75/90/120/150/ different brand price this is the price of the window! Aluminum alloy is generally 100/120/150/175/190 area, different prices different

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