Square Hollow Hot Rolled Steel Section

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Loading Port:: China Main Port

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Quick Details

Thickness:	1.0 - 35 mm	Section Shape:	Square	Outer Diameter:	2020-600600
Place of Origin:	Shandong China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Structure Pipe
Technique:	Cold Rolled	Certification:	CE	Surface Treatment:	oil,paint
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Non-alloy	Name:	Square Hollow Steel Pipe/Tube
Shape:	Square/Rectangular	Yield Strength:	360-380Mpa	Tensile Strength:	560-580Mpa
Elongation:	24-28%	Bend Test:	Qualified	Impact Value:	V-notch
Grade:	20#,45#,16Mn,A210,St45,Q235,Q345,Q195,Q215,10#-45#,A53-A369,ST35-ST52,Q195-Q345	Standard:	JIS G3465-2006,JIS G3466,GB/T 3094

Specifications

1.OD:15X15-800X800MM,20X30--600X800MM
2.Thick.:1.0--35.0MM

Square Hollow Section Image

Square Hollow Hot Rolled Steel Section

FAQ of Square Hollow Section

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. 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?: The steel pipe fittings used in the pipe dance are made of smooth surface material, usually chrome or polished by steel or iron.

Q: What are the different methods of pipe protection for steel pipes?: Steel pipes can be protected in various ways, each with its own purpose and level of defense. Some commonly used methods include: 1. Coatings: To shield steel pipes from corrosion and environmental factors, coatings are applied to the outer surface. These can be paints, epoxies, or polymers that create a barrier between the pipe and its surroundings, preventing contact with corrosive elements. 2. Wrapping: Another method involves using materials like tape or shrink wrap to cover the steel pipe, providing a physical barrier against moisture, chemicals, and corrosive substances. Wrapping is often combined with coatings to enhance protection. 3. Cathodic Protection: This electrochemical method safeguards steel pipes from corrosion by connecting them to a sacrificial anode, typically made of zinc or magnesium. The anode corrodes instead of the pipe, preventing deterioration. It is commonly used for buried or submerged pipelines. 4. Thermal Insulation: Steel pipes exposed to extreme temperatures can be protected with thermal insulation. Materials like foam or mineral wool are applied around the pipe to minimize heat transfer. This is particularly important for pipes carrying hot fluids or in harsh weather conditions. 5. Vibration Dampening: Vibrations can damage steel pipes by causing stress and fatigue. To counter this, techniques like vibration damping pads or supports and clamps can be used. These methods absorb and dissipate the energy generated by vibrations, reducing the risk of pipe failure. 6. Concrete Coating: For pipelines installed underwater or in highly corrosive environments, concrete coating is often employed. A layer of concrete or cement-based mortar is applied to the steel pipe, providing both mechanical protection and resistance to corrosion. Choosing the appropriate method of pipe protection depends on the specific application, environmental conditions, and desired level of defense. Regular inspection and maintenance are also crucial in maintaining the long-term integrity of steel pipes.

Q: Can steel pipes be used for telecommunications cables?: Steel pipes are not appropriate for telecommunications cables. Typically, fiber optic or copper materials are used for telecommunications cables. Steel pipes serve different purposes in construction and plumbing, but they are not suitable for transmitting data or electrical signals. Fiber optic cables are specifically designed to carry high-speed data over long distances, while copper cables are utilized for transmitting both data and electrical signals. Unlike steel pipes, these cables possess specific insulation and shielding properties required for telecommunications purposes.

Q: How are steel pipes insulated to prevent noise transmission?: Steel pipes are typically insulated using specialized materials that are specifically designed to reduce noise transmission. These insulation materials, such as foam or mineral wool, are wrapped around the steel pipes to create a barrier that absorbs sound waves and prevents them from traveling through the pipes. Additionally, the insulation is often covered with a protective layer, such as aluminum or PVC, to further enhance the soundproofing properties and provide mechanical protection to the insulation.

Q: How are steel pipes used in the construction of geothermal power plants?: Steel pipes are used in geothermal power plants for various purposes, including the transport of geothermal fluids from the underground reservoir to the surface, the distribution of these fluids within the plant, and the construction of the plant's infrastructure, such as the well casing and steam piping.

Q: How are steel pipes used in sewage treatment plants?: Steel pipes are used in sewage treatment plants to transport and distribute wastewater throughout the facility. They are crucial in carrying raw sewage from the intake point to various treatment processes such as sedimentation tanks, filtration units, and aerobic/anaerobic digesters. Additionally, steel pipes may be utilized for pumping treated or partially treated wastewater to outfall locations or for reuse purposes. The durability and corrosion resistance of steel make it an ideal choice for handling the harsh and corrosive nature of sewage, ensuring long-lasting and efficient operation of the treatment plant.

Q: What are the different joining methods for steel pipes?: The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.

Q: Are steel pipes suitable for solar power plants?: Yes, steel pipes are suitable for solar power plants. They are commonly used in various applications within the plant, such as carrying water for cooling systems and transporting steam in concentrated solar power (CSP) plants. Steel pipes offer durability, strength, and resistance to corrosion, making them a reliable choice for the demanding conditions of a solar power plant.

Q: Can steel pipes be used for water supply networks?: Yes, steel pipes can be used for water supply networks. They are commonly used for water distribution due to their durability, strength, and corrosion resistance. However, proper coating and maintenance are essential to prevent rusting and ensure the longevity of the steel pipes in water supply systems.

Q: What are the different types of steel pipes available in the market?: There are several different types of steel pipes available in the market, including carbon steel pipes, stainless steel pipes, alloy steel pipes, and galvanized steel pipes. Each type of steel pipe has its own unique properties and uses, making them suitable for various applications in industries such as construction, oil and gas, plumbing, and automotive.

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