Hot Rolled API 5L Seamless Tube

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: -

Supply Capability:: 20000ton m.t./month

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Product Descriptions :Hot Rolled API 5L Seamless Tube

The Hot Rolled Seamless Tube is manufactured through automatic continuous tube rolling mills.Precisely temperature (recrystallization temperature) controlling is required during different rolling processes,like initial rolling stage,finish rolling stage and curling stage,to achieve microstructure and mechanical structure of steel plates,Thus,they can be deformed to a large extend
Our mill could produce hot rolled seamless tube in ASTM,EN,GB,BS,DIN,GOST,JIS standard,it is our great honor to pass API,CE,ISO,CCS certificate,it proves that our goods are meet the high quality,this make us has obtained a great huge number of customers from abroad.

1. Executive standards:

ASTM A106,ASTM A53,API 5L,EN10216,EN10217,EN10219,EN10210,BS3601,BS3087,DIN1626,DIN1629,DIN17175,GOST 8732,GOST 8734 and so on
2. Specification range
OD: 1/8"-36"(219mm,325mm,406mm,508mm,457mm,558mm, 609mm,914mm,660mm,711mm,762mm is our advantages)
WT: SCH10-SCHXXS
3.Materials:

A53B,A106B,API5LGR.B,X42,X46,X52,X56,P195TR1,P235TR1,P265TR1,P195TR2,P235TR2,P265TR2,P245,P195GH,

L290,L360,P235GH,P265GH,S275JRH,S275J2H, S355J2H,ST35.8,ST45,ST45.8,ST44.2,ST44.3,ST52.3 and so on
4. Testing: We accept any test as your required
5. Packing of hot rolled seamless tube: Bundles,black painted,capped ends

ANSI B36.10 CARBON STEEL SEAMLESS PIPE
WEIGHT per Kg. / Mtr.
ASTM PIPE SCHEDULE: Wall Thickness in MM, Wt = Weight in Kg. / Mtr.

Nominal	Pipe size	OD mm	Schedule STD		Schedule 40
Mm	Inch		Wall	Wt.	Wall	Wt.
3	1/8	10.3	1.73	0.37	1.73	0.357
6	¼	13.7	2.24	0.63	2.24	0.625
10	3/8	17.1	2.31	0.84	2.31	0.84
15	½	21.3	2.77	1.26	2.77	1.26
20	¾	26.7	2.87	1.69	2.87	1.68
25	1	33.4	3.38	2.5	3.38	2.5
32	1 1/4	42.2	3.56	3.39	3.56	3.38
40	1 1/2	48.3	3.68	4.05	3.68	4.05
50	2	60.3	3.9	5.44	3.9	5.44
65	2 1/2	73	5.2	8.63	5.16	8.63
80	3	88.9	5.5	11.3	5.5	11.3
90	31/2	1.6	5.74	13.57	5.74	13.57
100	4	114.3	6.02	16.07	6.02	16.07
125	5	141.3	6.6	21.77	6.55	21.77
150	6	168.3	7.11	28.26	7.11	28.26
200	8	219.1	8.2	42.5	8.2	42.5
250	10	273	9.27	60.3	9.27	60.3
300	12	323.9	9.53	73.8	10.3	79.7
350	14	355.6	9.53	81.3	11.13	94.3
400	16	406.4	9.53	93.3	12.7	123
450	18	457.2	9.53	105	14.3	156
500	20	508	9.53	177.2	15.1	183
550	22	558.8	9.53	129
600	24	609.6	9.53	141	17.4	255

Q: What is the outer diameter and wall thickness of the welded steel pipe of national standard DN250?: DN (nominal diameter) 250 is generally the industry said 273, welded steel pipe (spiral steel pipe) thickness is generally between 6-8mm, more common.

Q: How are steel pipes used in the manufacturing of heat exchangers?: Steel pipes are commonly used in the manufacturing of heat exchangers due to their high strength and durability. They serve as the primary components for carrying hot or cold fluids within the heat exchanger system. The steel pipes facilitate the efficient transfer of heat between the two fluids by offering excellent thermal conductivity. Additionally, the corrosion-resistant properties of steel ensure the longevity and reliability of the heat exchanger, making it suitable for various industrial applications.

Q: Can steel pipes be used for underground cooling systems?: Yes, steel pipes can be used for underground cooling systems. Steel pipes are commonly used in various applications, including underground cooling systems, due to their durability, strength, and resistance to corrosion. They can effectively handle the high pressure and temperature demands of cooling systems. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance. However, it is important to ensure that the steel pipes are properly coated or insulated to prevent corrosion and maintain efficiency in heat transfer.

Q: What are the different types of steel pipe connections?: There are several types of steel pipe connections, including threaded connections, welded connections, flanged connections, and grooved connections.

Q: What is the role of steel pipes in power plants?: Steel pipes play a crucial role in power plants as they are used for transporting various fluids, such as water, steam, and fuel, throughout the facility. They provide a durable and reliable means of conveying these substances under high pressure and temperature conditions, ensuring efficient energy generation and distribution. Additionally, steel pipes are essential for the cooling systems in power plants, allowing for the safe transfer of heat from the facility to the environment.

Q: How are steel pipes sized and classified?: Steel pipes are sized and classified primarily based on their outer diameter (OD) and wall thickness. The sizing of steel pipes is standardized to ensure compatibility and ease of use in various applications. The most common method of sizing steel pipes is by nominal pipe size (NPS), which is a North American standard that refers to a pipe's OD. NPS sizes range from 1/8 inch to 36 inches, with each size corresponding to a specific OD. For example, a 1/2-inch NPS pipe has an OD of 0.84 inches, while a 12-inch NPS pipe has an OD of 12.75 inches. It is important to note that the OD of a pipe may not necessarily match its actual measurement, as it is based on historical pipe dimensions. Additionally, steel pipes are classified into different schedules, which indicate the wall thickness of the pipe. The most common schedules are SCH 5, SCH 10, SCH 40, SCH 80, and SCH 160, with higher numbers representing thicker walls. These schedules are standardized and help in selecting the appropriate pipe for a given application. Furthermore, steel pipes may be further classified based on their end connections. The most common types include threaded, plain-end, and socket-weld connections. Threaded pipes have screw threads on both ends, allowing for easy assembly and disassembly. Plain-end pipes have no threads and are usually joined using welding techniques. Socket-weld pipes have a socket-like end that allows for welding with a corresponding fitting. In summary, steel pipes are sized and classified based on their outer diameter, wall thickness, and end connections. The nominal pipe size (NPS) indicates the outer diameter, while the schedule number represents the wall thickness. Understanding the sizing and classification of steel pipes is crucial in selecting the appropriate pipe for specific applications in industries such as construction, oil and gas, plumbing, and manufacturing.

Q: Are steel pipes suitable for transporting fluids?: Yes, steel pipes are suitable for transporting fluids. They have high tensile strength, durability, and resistance to corrosion, making them an ideal choice for transporting various fluids, including water, oil, gas, and chemicals, over long distances. Steel pipes are commonly used in industries such as oil and gas, water treatment, and manufacturing due to their ability to withstand high pressure and temperature conditions.

Q: What are the factors to consider when selecting the right steel pipe for a specific application?: When selecting the right steel pipe for a specific application, there are several factors to consider. These include the type of fluid or gas that will flow through the pipe, the temperature and pressure conditions of the application, the size and diameter requirements, the level of corrosion resistance needed, the cost and availability of the steel pipe, and any specific industry standards or regulations that must be followed.

Q: How are steel pipes protected against electromagnetic interference?: Steel pipes can be protected against electromagnetic interference by applying a layer of insulating material around the pipes or by utilizing electromagnetic shielding techniques such as wrapping the pipes with conductive materials. Additionally, grounding the pipes and implementing proper grounding practices can help minimize the impact of electromagnetic interference.

Q: How are steel pipes used in the construction of power transmission lines?: Steel pipes are commonly used in the construction of power transmission lines as they provide a strong and durable structure to support the weight of the lines and withstand environmental conditions. These pipes serve as the main support structure for overhead power lines and are often used to elevate the lines above ground level or across bodies of water. Additionally, steel pipes are used to protect and encase underground power cables, ensuring their safety and longevity.

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