The utility of the various high frequency welded pipe ERW

Ref Price:

Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 4000 m.t./month

Inquire Now

Add to My Favorites

OKorder Service Pledge

Quality Product, Order Online Tracking, Timely Delivery

OKorder Financial Service

Credit Rating, Credit Services, Credit Purchasing

You Might Also Like

Line Pipe

Seamless Carbon Steel Tubes

Hot-rolled seamless steel tubes for hydraulic pillar service

API 5L Seamless line Pipe J55

Seamless Steel Alloy Pipe with Factory Price

Square tube and rectangular tube for building structure

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

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

It is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low,high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).

Standard of ERW Welded Pipes: API SPEC 5L, API SPEC 5CT, ASTM A53, GB/T9711.1

Steel Grade of ERW Welded Pipes:API SPEC 5L: B, X42, X46, X52, X56, X60, X65

API SPEC 5CT: J55, K55, N80, L80-1

ASTM A53: A, B, C

GB/T9711.1:L242、L290、L320、L360、L390、L415、L450

Sizes of ERW Welded Pipes:

Standard: GB/9711.1

Mechanical Properties

Remark: Besides below sizes, we also can arrange production based on requirement of customers

OD		WT			WEIGHT
INCH	MM	SCH	MM	INCH	KG/M	LB/INCH
1 1/2”	48.3	STD-40	3.68	0.145	4.09	2.75
1 1/2”	48.3	XS-80	5.08	0.2	5.47	3.68
2”	60.3	STD-40	3.91	0.154	5.49	3.69
2”	60.3	XS-80	5.54	0.218	7.56	5.08
2 1/2”	73	STD-40	5.16	0.203	8.72	5.86
2 1/2”	73	XS-80	7.01	0.276	11.52	7.74
3”	88.9	STD-40	5.49	0.216	11.41	7.67
3”	88.9	XS-80	7.62	0.3	15.43	10.37
3 1/2”	101.6	STD-40	5.74	0.226	13.71	9.21
3 1/2”	101.6	XS-80	8.08	0.318	18.83	12.65
4”	114.3	STD-40	6.02	0.237	16.24	10.91
4”	114.3	XS-80	8.56	0.337	22.55	15.15
5”	141.3	STD-40	6.55	0.258	21.99	14.78
5”	141.3	XS-80	9.53	0.375	31.28	21.02
6”	168.3	STD-40	7.11	0.28	28.55	19.19
6”	168.3	XS-80	10.97	0.432	42.99	28.89
8”	219.1	STD-40	8.18	0.322	42.98	28.88
8”	219.1	XS-80	12.7	0.5	65.3	43.88
10”	273	STD-40	9.27	0.365	60.9	40.92
10”	273	80	15.09	0.594	96.95	65.15
12”	323.8	STD	9.53	0.375	74.61	50.13
12”	323.8	40	10.31	0.406	80.51	54.1
12”	323.8	XS	12.7	0.5	98.42	66.14
12”	323.8	80	17.48	0.688	133.38	89.63
14”	355.6	40	11.13	0.438	95.51	64.18
14”	355.6	XS	12.7	0.5	108.48	72.9
14”	355.6	80	19.05	0.75	159.71	107.32
16”	406.4	XS-40	12.7	0.5	124.55	83.69
18”	457	STD	9.53	0.375	106.23	71.38
18”	457	40	14.27	0.562	157.38	105.75
18”	457	80	23.83	0.938	257.13	172.78
20”	508	40	15.09	0.594	185.28	124.5
20”	508	80	26.19	1.031	314.33	211.22

Q: Are steel pipes affected by magnetic fields?: Yes, steel pipes can be affected by magnetic fields. Steel is a ferromagnetic material, which means it is strongly attracted to magnets and can be magnetized. When exposed to a magnetic field, steel pipes can become magnetized, causing them to behave like magnets themselves. This magnetic effect can have several implications. First, if steel pipes are near strong magnetic fields, such as those generated by electrical currents or powerful magnets, they can experience a force that may cause them to move or vibrate. This can be problematic in certain applications, especially if the pipes need to remain stable and secure. Second, the presence of magnetic fields can induce electrical currents in steel pipes. These currents, known as eddy currents, can generate heat and energy losses. In some cases, this can lead to inefficiencies and increased energy consumption in systems that involve steel pipes. Lastly, magnetic fields can also affect the accuracy of magnetic measurement devices used to detect defects or corrosion in steel pipes. The presence of a magnetic field can interfere with the readings, making it more challenging to accurately assess the condition of the pipes. To mitigate these effects, various measures can be taken. For instance, in applications where stability is crucial, steel pipes can be shielded or isolated from strong magnetic fields using non-magnetic materials. Additionally, the impact of eddy currents can be minimized by using pipes with proper insulation or by using magnetic shielding techniques. Overall, while steel pipes are indeed affected by magnetic fields, the extent of the impact depends on factors such as the strength of the magnetic field, the composition of the steel, and the specific application or environment in which the pipes are used.

Q: What is the purpose of pipe flanges in steel pipes?: The purpose of pipe flanges in steel pipes is to provide a secure and leak-proof connection between two pipes or fittings. Flanges act as a connection point, allowing easy assembly and disassembly of pipes while ensuring a tight seal to prevent any leakage or loss of fluid or gas.

Q: How are steel pipes used in the construction of railways and transportation systems?: Steel pipes are commonly used in the construction of railways and transportation systems for various purposes. One major use of steel pipes in these applications is for the construction of bridges and tunnels. Steel pipes are often used as structural components in the construction of bridges, providing support and stability to the overall structure. In tunnels, steel pipes are used as ventilation shafts, allowing for the circulation of air and removal of fumes, thus ensuring the safety of passengers and workers. Additionally, steel pipes are used for the construction of railway tracks. They are used as supports for the tracks, providing a stable base for the trains to travel on. Steel pipes used in railway tracks are typically coated or galvanized to protect them from corrosion and ensure their longevity. Moreover, steel pipes are used for drainage systems in railway stations and transport hubs, ensuring proper water management and preventing flooding. Another important application of steel pipes in transportation systems is for the construction of signposts and streetlights. Steel pipes are often used as the main structural element in these structures, providing strength and durability. They can be easily fabricated and shaped to meet the specific design requirements, making them a popular choice for these applications. Overall, steel pipes play a crucial role in the construction of railways and transportation systems by providing structural support, ensuring proper ventilation, facilitating drainage, and serving as the main components in various structures. Their strength, durability, and versatility make them an ideal choice for these applications, contributing to the safe and efficient operation of transportation networks.

Q: What are the different types of steel pipe supports for high-temperature applications?: Some different types of steel pipe supports for high-temperature applications include hangers, clamps, brackets, and anchors. These supports are designed to withstand the elevated temperatures and provide stability and proper alignment to the piping system.

Q: How are steel pipes repaired in case of damage or leaks?: Various methods can be used to repair steel pipes in the event of damage or leaks. Welding is a common approach where a filler material is melted along with the damaged or leaking area, creating a strong bond that seals the leak. This method is effective for small to moderate-sized leaks and finds wide application in industries like oil and gas, plumbing, and construction. Another method involves the use of mechanical couplings. These couplings are designed to connect two sections of pipe securely, ensuring a tight connection. They can be utilized to repair damaged or leaking sections of a steel pipe by removing the damaged area and replacing it with a new section that is linked using the mechanical coupling. This method is particularly useful for larger leaks or damaged sections that cannot be repaired through welding. In certain cases, temporary fixes can be applied using pipe clamps or epoxy compounds. Pipe clamps are employed to seal the damaged area tightly, preventing further leakage. On the other hand, epoxy compounds are directly applied to the damaged or leaking section, creating a temporary seal that stops the leak until a more permanent repair can be carried out. It is essential to consider the severity and location of the damage or leak, as well as the specific requirements of the application, when deciding on the method of repair. In some instances, it may be necessary to replace the entire section of the steel pipe if the damage is extensive or if multiple leaks are present. It is advisable to consult a professional or a specialized pipe repair service to determine the most suitable repair method for a particular situation.

Q: What are the applications of galvanized steel pipes?: Galvanized steel pipes have numerous applications in various industries. They are commonly used for plumbing and water supply systems due to their corrosion resistance. Additionally, they are used in gas transmission, oil refineries, and industrial plants where resistance to harsh chemicals and high temperatures is crucial. Galvanized steel pipes are also employed in construction for structural support and scaffolding, as well as for fencing and handrails. Overall, their durability, strength, and cost-effectiveness make galvanized steel pipes suitable for a wide range of applications.

Q: Can steel pipes be bent or shaped?: Yes, steel pipes can be bent or shaped through various methods such as hot bending, cold bending, or using specialized machinery like pipe benders.

Q: What are the common methods for cleaning the inner surface of steel pipes?: Some common methods for cleaning the inner surface of steel pipes include chemical cleaning, mechanical cleaning, and high-pressure water jetting. Chemical cleaning involves using solvents or acids to dissolve and remove any contaminants or residue. Mechanical cleaning involves using tools such as wire brushes, scrapers, or pigs to physically scrub and scrape the inner surface of the pipes. High-pressure water jetting involves using a pressurized stream of water to blast away dirt, scale, or other deposits. These methods can be used individually or in combination, depending on the specific cleaning requirements and the condition of the pipes.

Q: What are the different methods of protecting steel pipes from corrosion?: There are several methods of protecting steel pipes from corrosion, including: 1. Coatings: Applying protective coatings such as epoxy, polyethylene, or zinc to the surface of the steel pipes can create a barrier against corrosive elements. 2. Cathodic Protection: This method involves installing sacrificial anodes or impressed current systems to provide a protective current that counteracts the corrosion process. 3. Corrosion Inhibitors: Adding chemicals or inhibitors to the fluid or environment surrounding the pipes can reduce the rate of corrosion. 4. Internal Linings: Applying internal linings made of resin, cement, or other materials can protect the inner surface of the pipes from corrosion caused by the transported fluid. 5. Design Considerations: Implementing proper design practices like avoiding sharp bends and crevices, ensuring proper drainage, and using corrosion-resistant alloys can help prevent corrosion in steel pipes.

Q: How are steel pipes used in the manufacturing of agricultural machinery and equipment?: Steel pipes are widely used in the manufacturing of agricultural machinery and equipment due to their various beneficial properties. These pipes are utilized in several ways to enhance the efficiency and durability of agricultural machinery. One of the primary uses of steel pipes in agricultural machinery is for the construction of frames and chassis. The high strength and structural integrity of steel pipes make them ideal for supporting heavy loads and withstanding the rigorous conditions often encountered in agricultural operations. Whether it is a tractor, combine harvester, or tillage equipment, steel pipe frames provide the necessary stability and sturdiness required for these machines to perform efficiently in the field. Steel pipes are also commonly used in the hydraulic systems of agricultural machinery. These pipes serve as conduits for hydraulic fluids, allowing for the smooth and reliable operation of various components such as hydraulic cylinders, pumps, and motors. Due to their resistance to corrosion and high pressure, steel pipes ensure the longevity of hydraulic systems, reducing maintenance and repair costs for agricultural machinery. Furthermore, steel pipes find applications in the exhaust systems of agricultural equipment. The exhaust gases produced by engines need to be safely and efficiently expelled to minimize environmental impact and maintain engine performance. Steel pipes with appropriate thickness and thermal resistance are used to construct exhaust systems, allowing for the effective removal of exhaust gases and reducing noise pollution. In addition, steel pipes are utilized in the manufacturing of irrigation systems and equipment used in agriculture. Whether it is for transporting water from a source to the fields or distributing water to crops through sprinklers or drip irrigation, steel pipes offer the necessary durability and resistance to pressure, ensuring efficient water delivery and minimizing leaks. Overall, the use of steel pipes in the manufacturing of agricultural machinery and equipment is crucial for enhancing their performance, durability, and efficiency. The strength, structural integrity, resistance to corrosion, and high pressure capabilities of steel pipes make them indispensable components in various applications within the agricultural sector.

Send your message to us

*Email

*TEL

*Quantity

*Unit