• Seamless pipe ASTM A53/ASTM A 106/API 5L System 1
  • Seamless pipe ASTM A53/ASTM A 106/API 5L System 2
Seamless pipe ASTM A53/ASTM A 106/API 5L

Seamless pipe ASTM A53/ASTM A 106/API 5L

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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: What is the difference between nominal and actual pipe size?
Nominal pipe size refers to the designation used to identify the approximate inside diameter of a pipe, while actual pipe size refers to the measured inside diameter of a pipe. The nominal size is a standardized value, whereas the actual size may vary slightly due to manufacturing tolerances.
Q: Can steel pipes be used for the construction of high-rise buildings?
Yes, steel pipes can be used for the construction of high-rise buildings. Steel pipes offer several advantages such as high strength, durability, and resistance to fire and corrosion. They can be used for various structural elements including columns, beams, and bracing systems, providing a reliable and cost-effective solution for constructing tall buildings.
Q: How do steel pipes compare to other materials in terms of cost?
Steel pipes are generally more cost-effective compared to other materials, as they offer a combination of durability, strength, and affordability. While initial costs may vary depending on the specific type and size of the pipe, steel pipes are often more economical in the long run due to their longevity and low maintenance requirements. Additionally, steel pipes are readily available and widely used in various industries, making them a cost-efficient choice for many applications.
Q: What is the difference between steel pipe and fiberglass pipe?
Steel pipe and fiberglass pipe differ in terms of material composition, durability, flexibility, and cost. Steel pipe is made of steel, which provides strength and resilience, making it ideal for high-pressure applications and underground installations. Fiberglass pipe, on the other hand, is composed of reinforced plastic fibers, resulting in a lightweight and corrosion-resistant material suitable for above-ground and corrosive environments. While steel pipe offers higher tensile strength, fiberglass pipe excels in its flexibility, allowing for easier installation and reduced maintenance. Additionally, steel pipe is typically more expensive due to the cost of materials and manufacturing processes, while fiberglass pipe is more cost-effective in terms of initial installation and long-term maintenance.
Q: What are the different types of steel pipe caps?
There exists a variety of steel pipe caps, each serving specific purposes and applications. A few commonly used types are as follows: 1. Threaded Caps: These caps possess internal threads that enable them to be screwed onto threaded pipes, ensuring a secure seal. They find frequent usage in plumbing and gas-related tasks. 2. Socket Weld Caps: These caps are designed for welding onto pipe ends using a socket weld connection. They offer a strong and permanent seal, rendering them suitable for high-pressure and high-temperature tasks. 3. Butt Weld Caps: Butt weld caps, similar to socket weld caps, are meant for welding onto pipe ends. However, they are specifically designed for butt welding, which involves directly welding the cap to the pipe without additional fittings. 4. Domed Caps: These caps have a domed or rounded shape on the upper surface, providing a smooth and visually pleasing finish. They are commonly applied in architectural and decorative tasks, such as handrails or fence posts. 5. Flat Caps: As the name suggests, flat caps possess a flat upper surface. They are often utilized when a simple and low-profile cap is required, such as for safeguarding pipe ends in industrial applications. 6. Blind Caps: Blind caps are employed to permanently seal off pipe ends. They are solid caps without any openings or threads, ensuring complete closure. They are frequently utilized in piping systems where a section of the pipeline is not in use or temporarily needs to be closed off. These examples merely scratch the surface of the various steel pipe caps available. The selection of a cap depends on specific application requirements, including the type of connection, pressure, temperature, and the necessity for structural or decorative finishes. It is crucial to choose the appropriate cap to guarantee a secure and reliable seal for the pipe.
Q: What is the single length of galvanized steel pipe?
Galvanized steel pipe is divided into cold galvanized steel pipe, hot galvanized steel pipe, cold galvanized steel pipe has been banned, and the latter is also advocated by the state for the moment, can be used. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned.
Q: Difference between cold rolled steel pipe and common steel pipe
3, the caliber of cold-rolled steel tube is smaller than that of hot rolled steel tube4, from the price point of view, cold-rolled steel pipe is 1000-2000 tons more expensive than hot-rolled steel pipe
Q: What is ND steel pipe?
ND steel also has the ability to resist chloride ion corrosion. ND steel pipe, the main reference indicators (70 degrees Celsius, 50%H2SO4 solution immersion 24 hours), and carbon steel, Japan imported similar steel, stainless steel corrosion resistance compared to higher than these steel grades. Products by domestic refineries and manufacturing units after the use of widely acclaimed, and achieved good results.
Q: Are steel pipes suitable for underground mining applications?
Yes, steel pipes are suitable for underground mining applications due to their durability, strength, and resistance to corrosion. They can withstand the harsh underground conditions, provide reliable transportation of fluids and materials, and are commonly used for ventilation systems, water supply, and ore extraction in mining operations.
Q: Are steel pipes recyclable?
Yes, steel pipes are highly recyclable. They can be melted down and repurposed into new steel products without losing their quality or strength. Recycling steel pipes not only conserves natural resources but also reduces energy consumption and greenhouse gas emissions associated with steel production.

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