Seamless steel pipe ASTM A106/API 5L/ASTM A53 grade B high quality

Seamless steel pipe ASTM A106/API 5L/ASTM A53 grade B high quality

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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: What are the safety regulations for working with steel pipes?: The safety regulations for working with steel pipes typically include wearing appropriate personal protective equipment (PPE), such as gloves, safety glasses, and steel-toed boots, to prevent injuries. Workers should also receive training on proper handling and lifting techniques to avoid strains and sprains. Additionally, the use of proper tools and equipment, such as pipe cutters and clamps, is essential for safe operations. It is important to follow procedures for securing pipes to prevent them from rolling or falling. Finally, workers should be aware of potential hazards, such as sharp edges and hot surfaces, and practice good housekeeping to minimize slips, trips, and falls.

Q: How are steel pipes used in the aerospace industry?: Steel pipes are commonly used in the aerospace industry for various applications such as fuel lines, hydraulic systems, and structural components. These pipes provide strength, durability, and resistance to high pressure and extreme temperatures, making them ideal for delivering fluids and gases, supporting critical systems, and ensuring the structural integrity of aircraft and spacecraft.

Q: What is the role of steel pipes in the transportation of liquefied natural gas (LNG)?: Steel pipes play a vital role in the transportation of liquefied natural gas (LNG) due to their unique properties and characteristics. LNG is a form of natural gas that has been cooled to a liquid state for ease of transportation and storage. The transportation of LNG requires specific infrastructure, and steel pipes are an essential component of this infrastructure. Firstly, steel pipes are used in the construction of LNG terminals and liquefaction plants. These facilities are responsible for converting natural gas into its liquid form and storing it before transportation. The extreme cold temperatures required to maintain LNG in its liquid state necessitate the use of materials that can withstand these conditions, and steel pipes are well-suited for this purpose. Steel pipes have excellent strength and durability, making them capable of handling the low temperatures and high pressures involved in the liquefaction and storage processes. Secondly, steel pipes are used in the transportation of LNG from the liquefaction plants to the storage tanks or shipping vessels. LNG is typically transported over long distances, either through pipelines or via specialized LNG carriers. Steel pipes are used in the construction of underground or above-ground pipelines, providing a reliable and safe means of transporting the LNG. The pipes must be able to maintain the low temperatures of the LNG while withstanding the pressures and stresses associated with the transportation process. Steel pipes offer the necessary strength, corrosion resistance, and thermal properties to ensure the safe and efficient transportation of LNG. Lastly, steel pipes are also used in the construction of storage tanks for LNG. These tanks are designed to maintain the LNG in its liquid state until it is ready for use or further transportation. The tanks are often constructed using a combination of steel plates and steel pipes. Steel pipes are used to connect the various components of the tank, such as the inner and outer shells, reinforcing the structural integrity of the tank and ensuring its ability to withstand the extreme conditions to which it is subjected. In summary, steel pipes play a crucial role in the transportation of liquefied natural gas (LNG) due to their strength, durability, and ability to withstand low temperatures and high pressures. From the construction of LNG terminals and liquefaction plants to the transportation through pipelines or on specialized vessels, steel pipes are a vital component of the infrastructure required for the safe and efficient transportation and storage of LNG.

Q: What does the diameter of a steel pipe project mean?: Suppose we specify a standard that defines the nominal diameter of the same steel tube as G-1, then this G-1 is the same as DN50.I hope it doesn't make you any more confused, huh?. If you still don't understand, keep in mind that the nominal diameter is neither outside nor inside diameter.

Q: What are the common methods for joining steel pipes?: There are several common methods for joining steel pipes, depending on the specific application and requirements. Some of the most commonly used methods include: 1. Welding: This is one of the most common methods of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding can be done using various techniques such as arc welding, MIG welding, TIG welding, or even laser welding. 2. Threaded connections: In this method, the ends of the steel pipes are threaded to create a male and female connection. These threaded ends are then screwed together using pipe threads. Threaded connections are commonly used for smaller diameter pipes and in low-pressure applications. 3. Flanged connections: Flanges are used to join steel pipes in applications that require easy assembly and disassembly or when frequent maintenance is needed. Flanges are flat, circular discs with bolt holes that allow the pipes to be bolted together. The flanges provide a strong and leak-proof connection. 4. Compression fittings: Compression fittings are used to join steel pipes without the need for welding or threading. They consist of a compression nut, a compression ring, and a compression sleeve. The nut is tightened onto the sleeve, compressing it against the pipe, creating a secure connection. 5. Grooved couplings: Grooved couplings are used to join steel pipes by creating a mechanical connection. The pipe ends are grooved, and a gasket is placed between the grooves. The couplings are then tightened, compressing the gasket and creating a tight seal. 6. Soldering or brazing: These methods involve using a filler metal that has a lower melting point than the steel pipes. The filler metal is heated and melted, allowing it to flow between the pipe joints, creating a bond. Soldering is typically used for smaller diameter pipes and low-pressure applications. Each joining method has its advantages and limitations, and the choice of method depends on factors such as the pipe diameter, the application, the working pressure, and the required durability of the joint. It is important to consider these factors and consult industry standards and guidelines when selecting the appropriate method for joining steel pipes.

Q: Can steel pipes be used for drinking water supply?: Yes, steel pipes can be used for drinking water supply. However, it is important to ensure that the pipes are properly coated or lined to prevent corrosion and any potential contamination of the water. Regular maintenance and monitoring are also necessary to ensure the pipes remain in good condition for safe drinking water supply.

Q: What are the different types of steel pipe bends?: There are several types of steel pipe bends, including long radius bends, short radius bends, and induction bends. Long radius bends have a larger radius and are used when a gentle bend is required. Short radius bends have a smaller radius and are used when a more abrupt bend is needed. Induction bends are created using a heating process to achieve specific bend angles and radii.

Q: How are steel pipes used in the food and beverage industry?: Steel pipes are commonly used in the food and beverage industry for various applications including transporting water, steam, gases, and other liquids. They are preferred due to their durability, strength, and resistance to corrosion, ensuring the safety and hygiene of food and beverage products. These pipes are used in processes such as conveying ingredients, transferring liquids and gases during production, and supplying utilities like water and steam for cleaning and sterilization purposes.

Q: What is the difference between steel pipes and fiberglass-reinforced pipes?: The main difference between steel pipes and fiberglass-reinforced pipes lies in their composition and structural characteristics. Steel pipes are made of a durable metal alloy, typically carbon steel, which provides strength and resistance to high pressure and temperature. On the other hand, fiberglass-reinforced pipes are composed of a plastic matrix reinforced with glass fibers, making them lightweight, corrosion-resistant, and suitable for various applications. While steel pipes are commonly used in industrial settings, fiberglass-reinforced pipes are often utilized in sectors requiring corrosion resistance, such as chemical processing, wastewater treatment, and oil and gas industries.

Q: Where is a steel pipe casing usually used?: Classification of casing: rigid casing, flexible waterproof sleeve, steel pipe sleeve and iron sheet bushing, etc..

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