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

Seamless tube 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
Steel 20 (ASTM A106B)	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 used for oil drilling operations?: Yes, steel pipes are commonly used for oil drilling operations due to their strength, durability, and resistance to high pressure and extreme temperatures.

Q: Is steel pipe made of profiles?: According to the shape of the cross-section, the steel is generally divided into profiles, plates, pipes and metal products in four categories.Therefore, the steel pipe belongs to the pipe, not the profile.

Q: Can steel pipes be used for conveying solids?: Yes, steel pipes can be used for conveying solids. Steel pipes are commonly used in industries such as mining, construction, and agriculture to transport various solid materials, including ores, gravel, sand, and grains. The durability and strength of steel make it a suitable material for handling solid substances efficiently and ensuring their safe transportation.

Q: Can steel pipes be used for wastewater treatment systems?: Yes, steel pipes can be used for wastewater treatment systems. Steel pipes are commonly used in wastewater treatment systems due to their durability, corrosion resistance, and ability to handle high pressure and flow rates. Moreover, steel pipes can be easily welded, making them suitable for various configurations and applications within the wastewater treatment process.

Q: How are steel pipes used in the renewable energy sector?: Steel pipes are widely used in the renewable energy sector for various applications. They are commonly used for the construction of wind turbine towers, providing structural support and stability. Steel pipes are also used in the construction of solar power plants, where they are utilized for the installation of solar panels, mounting structures, and support systems. Additionally, steel pipes are employed in geothermal energy projects, helping to extract and transfer hot water or steam from underground reservoirs. Overall, steel pipes play a crucial role in the renewable energy sector by facilitating the efficient generation and transmission of clean energy.

Q: What is the bending strength of steel pipes?: Steel pipes have the ability to withstand bending forces without breaking or permanently deforming, which is known as their bending strength. This strength can vary depending on factors like the type of steel, the grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are highly durable and strong, making them suitable for many different uses. The bending strength of steel pipes is typically measured by the maximum bending moment or stress that the pipe can handle without failing. Engineers and manufacturers determine the bending strength of steel pipes using various testing methods, such as three-point or four-point bending tests. These tests involve applying a known force or moment to the pipe and measuring its deflection or stress response. The bending strength of steel pipes can also be affected by mechanical properties like yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which are crucial for its bending strength. It's important to note that the bending strength can vary depending on the specific application and the load conditions. For instance, pipes used in structural or load-bearing applications may require higher bending strength than pipes used for plumbing or conveyance purposes. In conclusion, the bending strength of steel pipes is determined by factors such as the type of steel, the grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to assess the bending strength of steel pipes, ensuring they are suitable for different uses and load conditions.

Q: How do you calculate the flow velocity in a steel pipe?: The flow velocity in a steel pipe can be calculated using the equation: velocity = (flow rate) / (cross-sectional area of the pipe).

Q: Can steel pipes be used for underground water supply networks?: Yes, steel pipes can be used for underground water supply networks. Steel pipes are durable, resistant to corrosion, and have high strength, making them suitable for carrying water underground. Additionally, steel pipes can withstand high pressure and temperature variations, ensuring a reliable and long-lasting water supply system.

Q: How are steel pipes used in the manufacturing of geothermal systems?: Steel pipes are used in the manufacturing of geothermal systems for their durability and heat conductivity. They are used to transport fluids, such as water or steam, between the geothermal source and the heat pump or power generator. Steel pipes can withstand high temperatures and pressures, making them ideal for the harsh environment of geothermal systems. Additionally, their corrosion resistance ensures the longevity and efficiency of the system.

Q: What are the different methods of lining steel pipes?: There are several methods of lining steel pipes, each with its own advantages and uses. Some common methods include: 1. Cement Mortar Lining: This involves the application of a layer of cement mortar on the inner surface of the steel pipe. Cement mortar provides excellent corrosion resistance and smoothness to the pipe, reducing friction and improving flow rates. It is commonly used in water supply systems and sewage treatment plants. 2. Polyethylene (PE) Lining: PE lining involves the insertion of a polyethylene tube into the steel pipe. The tube is usually heat fused or mechanically connected to the steel pipe, creating a seamless and corrosion-resistant lining. PE lining is commonly used in gas transmission and distribution pipelines. 3. Epoxy Lining: Epoxy lining involves the application of an epoxy resin to the inner surface of the steel pipe. Epoxy coatings provide excellent resistance to corrosion, abrasion, and chemicals, making them suitable for various applications such as oil and gas pipelines, water treatment, and industrial processes. 4. Trenchless Pipe Lining: This method is used to rehabilitate existing steel pipes without the need for excavation. It involves the insertion of a liner or resin-coated fabric into the existing pipe, which is then inflated and cured to form a new lining. Trenchless pipe lining is commonly used for sewer and water main rehabilitation. 5. Polyurethane (PU) Lining: PU lining involves spraying or pouring a polyurethane coating onto the inner surface of the steel pipe. Polyurethane linings provide excellent resistance to abrasion, impact, and chemicals, making them suitable for applications in mining, slurry pipelines, and wastewater treatment. These are just a few of the many methods available for lining steel pipes. The choice of lining method depends on factors such as the intended application, the environment, and the desired level of corrosion resistance and durability.

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