MC Hot Rolled Square Steel Pipe

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 20-35 watt

Supply Capability:: -

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Quick Details

Thickness:	0.45 - 2.5 mm	Section Shape:	Square	Place of Origin:	Hebei China (Mainland)
Secondary Or Not:	Non-secondary	Application:	furniture pipe. fence tube,structure pipe etc.,handle railings.fence tube,shelves, furniture, threading tube	Technique:	Cold Rolled
Certification:	50x50mm square pipe	Surface Treatment:	pre-galvanzied,black,pre-galvanized,black annealed	Alloy Or Not:	Non-alloy
Material:	Q195,Q215,Q235	Technology:	Colled rolled	Wall thickness:	0.45mm-2.5mm
Length:	4.5m~7m	Lenght tolerance:	+/-20mm	OD tolerance:	+/-0.5mm
Thickness tolerance:	+/-0.03mm	Grade:	Q235,Q195,Q215,Q195-Q345	Standard:	GB/T3901,GB,GB/T 3091-2008

Packaging & Delivery

Packaging Detail:	in bulk, in small bundle or as customer's request
Delivery Detail:	about 10 days after receiving customer's deposit

Specifications

square steel pipe :
Material: Q195,Q215,Q235
Surface: pre-galvanized,black
Wall thickness: 0.45mm-2.5

MC Steel Pipe Image

MC Hot Rolled Square Steel Pipe

FAQ of MC Steel Pipe

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !

Q: What type of steel pipe dance is used in general?: According to international competition practice, the standard size of steel tube is 40 mm or 45 mm in diameter, and the 45mm is usually used. The height of the steel pipe is not less than 3.3 meters and not higher than 4 meters.

Q: What are the different types of steel pipe fittings for industrial applications?: There are several types of steel pipe fittings commonly used in industrial applications, including elbows, tees, reducers, couplings, flanges, and unions. These fittings are designed to connect and redirect the flow of fluids or gases within a piping system, ensuring proper functionality and efficiency in various industrial processes.

Q: What is the difference between API 5L and ASTM A53 steel pipes?: API 5L and ASTM A53 steel pipes differ mainly in their specifications and intended applications. API 5L is a standard for seamless and welded steel pipes used for transportation of oil, gas, and water in the petroleum and natural gas industries. It specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes. On the other hand, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes used for mechanical and pressure applications. While both standards have similarities, they have different scopes and requirements, making them suitable for distinct purposes in different industries.

Q: What are the different sizes of steel pipe nipples?: Steel pipe nipples come in a variety of sizes, ranging from 1/8 inch to 6 inches in diameter.

Q: Can steel pipes be used for fire sprinkler systems?: Yes, steel pipes can be used for fire sprinkler systems. Steel pipes are commonly used in fire sprinkler systems due to their strength, durability, and fire-resistant properties. They are capable of withstanding high temperatures and are less prone to damage from fire, making them a suitable choice for such systems.

Q: What are the different methods of pipe inspection for steel pipes?: Steel pipes can be inspected using various methods. Here are some commonly employed techniques: 1. Visual Inspection: Trained inspectors visually examine both the exterior and interior of the pipe to detect any visible defects or abnormalities. This preliminary method is often used before more advanced techniques are applied. 2. Magnetic Particle Inspection (MPI): By applying a magnetic field to the steel pipe and iron particles to its surface, inspectors can identify surface cracks or defects. Leakage of magnetic flux caused by these abnormalities can be detected with this method, which is particularly effective for ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that utilizes high-frequency sound waves to identify internal defects or anomalies in steel pipes. A transducer sends ultrasonic waves into the pipe, and reflections or echoes of the sound waves are analyzed to determine the presence of defects, such as corrosion, cracks, or variations in wall thickness. 4. Radiographic Testing (RT): This method involves using X-rays or gamma rays to create an image of the internal structure of the steel pipe. The resulting image reveals any defects, such as cracks, corrosion, or weld discontinuities. RT is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that utilizes electromagnetic induction to detect surface and near-surface defects in steel pipes. By passing a coil carrying an alternating current over the pipe's surface, any changes in electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET involves detecting and analyzing high-frequency acoustic signals emitted by materials undergoing deformation or damage. In the case of steel pipes, AET can monitor and identify defects like cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These methods are just a few examples of commonly used techniques for inspecting steel pipes. The choice of method depends on factors such as the type of defect being sought, accessibility of the pipe, desired sensitivity level, and cost and time constraints. Using a combination of inspection techniques is often recommended to ensure a thorough assessment of steel pipes.

Q: Seamless steel tube DN15 specification phi 18*3 what do you mean?: Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared with solid steel such as round steel, steel tube is lighter in strength and equal in resistance to bending and torsion. It is an economical cross section steel and is widely used in the manufacture of structural and mechanical parts.

Q: How are steel pipes used in the manufacturing of chemical processing plants?: Steel pipes are commonly used in the manufacturing of chemical processing plants due to their durability, high strength, and resistance to corrosion. These pipes are typically used for the transportation of various chemicals, gases, and liquids within the plant. They help maintain the integrity of the materials being processed and ensure the safe and efficient operation of the plant.

Q: What are the different types of fittings used with steel pipes?: Steel pipes are commonly paired with various fittings that serve to connect, control, or alter the flow direction in a piping system. Some of these fittings include: 1. Elbow fittings: Designed to modify the flow direction, elbow fittings are available in different angles, such as 45 or 90 degrees. They are frequently utilized to navigate obstacles or introduce bends in the pipe. 2. Tee fittings: Tee fittings are implemented to create a branch or division in the piping system. With three openings, one perpendicular to the other two, they enable the connection of two pipes at a 90-degree angle. 3. Coupling fittings: Used to join two pipes of the same size, coupling fittings are typically threaded and can be easily fastened or removed with a wrench. They are commonly employed when pipes need to be connected or repaired. 4. Reducer fittings: Reducers are employed to connect pipes of varying sizes. They consist of one end with a larger diameter and another end with a smaller diameter. Reducers are often employed to transition between pipe sizes or adapt to different equipment or fittings. 5. Flange fittings: Flanges are utilized to establish a secure and leak-proof connection between pipes, valves, or other equipment. They consist of a flat, circular plate with holes to accommodate bolts or screws for fastening the flange to the pipe. Flange fittings find frequent use in applications that necessitate frequent disassembly and reassembly. 6. Union fittings: Union fittings are employed to join two pipes in a manner that facilitates easy disconnection. They comprise three parts: a nut, a female end, and a male end. Union fittings are commonly used in scenarios that require periodic maintenance or repairs. 7. Cap fittings: Cap fittings are employed to seal the end of a pipe. Usually threaded, they can be effortlessly screwed onto the pipe's end. Cap fittings are commonly used in instances where temporary closure or protection of pipes is necessary. These examples represent some of the various fittings utilized with steel pipes. The specific fitting required depends on factors such as the application, pipe size and material, as well as the desired functionality of the piping system.

Q: What are the different types of flanges used with steel pipes?: There are several types of flanges commonly used with steel pipes, including slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, and blind flanges. These flanges are used to connect and secure steel pipes in various industrial applications, each offering specific advantages depending on the requirements of the piping system.

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