Seamless black steel pipe API,GB,ASTM,ASME,DIN

Seamless black steel pipe API,GB,ASTM,ASME,DIN

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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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Seamless pipe API,GB,ASTM,ASME,DIN high quality

America Standard A53 Q215 150g Hot Dipped or Pre-galvanized Pipe

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: How are steel pipes coated for protection?: Steel pipes are coated for protection through a process called corrosion protection coating. This typically involves applying a layer of epoxy, polyethylene, or other specialized coatings onto the surface of the steel pipes. The coating acts as a barrier, preventing direct contact between the steel and any corrosive substances in the environment, thereby extending the lifespan of the pipes and enhancing their durability.

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: SC15 what does galvanized steel pipe look like?: Zinc plating: galvanized steel pipe hot galvanized and galvanized two kinds, hot galvanized, zinc coating thickness, with uniform coating, adhesion, long service life and so on. The cost of galvanizing is low, the surface is not very smooth, and the corrosion resistance of itself is much better than that of galvanized pipe. Refer to

Q: Can steel pipes be used for structural applications?: Yes, steel pipes can be used for structural applications. Steel pipes have high strength, durability, and resistance to various environmental conditions, making them suitable for structural purposes. They are commonly used in the construction industry for the fabrication of buildings, bridges, and other structures. Steel pipes have excellent load-bearing capacity and can withstand heavy loads, making them ideal for supporting structures and transferring loads. Additionally, steel pipes can be easily fabricated, welded, and connected, allowing for efficient construction. Overall, steel pipes are a reliable and cost-effective option for structural applications.

Q: Are steel pipes resistant to UV radiation?: Yes, steel pipes are generally resistant to UV radiation. UV radiation is known to cause damage to materials over time, such as fading, discoloration, and degradation. However, steel pipes are typically coated with protective layers, such as paint or galvanization, which help to shield them from UV radiation. These coatings act as a barrier, preventing the direct exposure of steel to UV rays and minimizing the potential for damage. Additionally, the inherent properties of steel, including its strength and durability, make it less susceptible to the effects of UV radiation compared to other materials like plastics or rubber. However, it is important to note that prolonged exposure to intense UV radiation can still have some impact on steel pipes, such as slight discoloration or surface degradation. Regular maintenance and inspection are recommended to ensure the continued performance and longevity of steel pipes in outdoor or UV-exposed environments.

Q: What are the advantages of PVC pipe and galvanized steel pipe?: Galvanized steel pipe is also used, because some areas require the use of strength. Moreover, the iron and steel industry is a pillar industry, there are some unspoken rules in it.

Q: What are the applications of galvanized steel pipes?: Galvanized steel pipes have a wide range of applications in various industries. They are commonly used in plumbing systems to deliver water and gas due to their excellent corrosion resistance. Additionally, they are used in the construction industry for structural purposes, such as scaffolding, fences, and handrails. Galvanized steel pipes are also utilized in the agricultural sector for irrigation systems and as posts for supporting crops. Furthermore, they find usage in oil and gas pipelines, HVAC systems, and automotive manufacturing. Overall, the applications of galvanized steel pipes are diverse, making them an essential material in multiple sectors.

Q: Are steel pipes suitable for use in food processing industries?: Yes, steel pipes are suitable for use in food processing industries. They are highly durable, corrosion-resistant, and can withstand high temperatures and pressure. Additionally, steel pipes are easy to clean, maintain hygiene standards, and do not contaminate the food being processed.

Q: How are steel pipes used in the manufacturing of food and beverage processing plants?: Steel pipes are commonly used in food and beverage processing plants for various purposes such as transporting liquids, gases, and steam. They are used to create a network of pipelines that facilitate the movement of raw materials, ingredients, and finished products throughout the manufacturing process. Steel pipes are chosen for their durability, corrosion resistance, and ability to withstand high pressure and temperature conditions, ensuring the safety and efficiency of food and beverage production.

Q: What are the factors affecting the price of steel pipes?: There are several factors that can affect the price of steel pipes. These factors include: 1. Raw material costs: The price of steel pipes is heavily influenced by the cost of raw materials such as iron ore and coal. Fluctuations in these commodity prices can impact the overall cost of production and subsequently affect the selling price of steel pipes. 2. Supply and demand: Supply and demand dynamics play a significant role in determining the price of steel pipes. When there is a high demand for steel pipes and a limited supply, the prices tend to increase. Conversely, when there is an oversupply of steel pipes and low demand, prices may decrease. 3. Production and manufacturing costs: The cost of producing and manufacturing steel pipes can have a direct impact on their price. Expenses related to labor, energy, transportation, and equipment maintenance can all contribute to the overall cost of production and, in turn, affect the selling price. 4. Market competition: The level of competition in the steel pipe industry can also influence the price of steel pipes. If there are many manufacturers and suppliers competing for market share, prices may be more competitive. On the other hand, if there are fewer competitors, prices may be higher due to limited options. 5. Government policies and regulations: Government policies and regulations can have a significant impact on the price of steel pipes. Import tariffs, trade restrictions, and environmental regulations can all affect the cost of production and subsequently influence prices. 6. Currency exchange rates: Steel pipe prices can also be influenced by currency exchange rates. Fluctuations in exchange rates between countries can impact the cost of importing or exporting steel pipes, which in turn can affect their selling price. 7. Global economic conditions: The overall state of the global economy can impact the price of steel pipes. During periods of economic growth, demand for steel pipes may be higher, leading to increased prices. Conversely, during economic downturns, demand may decrease, resulting in lower prices. It is important to note that these factors can interact with one another and fluctuate over time, making the pricing of steel pipes a complex and dynamic process.

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