Galvanized Hot Rolled Steel Pipe 1-4“

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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‍Specifications

Galvanized Pipe / Black Pipe / ERW Steel Pipe

Out Diameter: 10.3mm - 406.4mm

Thickness: 0.6mm 20.0mm

Steel Grade: Q195-Q345, S235JR, S275JR, S355JR, Gr. B-D

Standard: GB/T 3091-2001, BS1387-1985, DIN EN10025, EN10219, ASTM SCH40, ASTM SCH80

Surface Finish: hot dipped galvanized, electro galvanized, black

Out Diameter		Wall Thickness	Length
Inch	mm	mm	meter
1/2	21.3mm	0.6mm-3.0mm	0.3m-12m
3/4	26.9mm	0.6mm-3.0mm	0.3m-12m
1	33.4mm	1.0mm-3.0mm	0.3m-12m
1-1/4	42.3mm	1.0mm-4.0mm	0.3m-12m
1-1/2	48.3mm	1.0mm-4.0mm	0.3m-12m
2	60.3mm	1.5mm-4.0mm	0.3m-12m
2-1/2	76.1mm	1.5mm-4.0mm	0.3m-12m
3	88.9mm	1.5mm-9.5mm	0.3m-12m
4	114.3mm	2.0mm-9.5mm	0.3m-12m
5	141.3mm	3.0mm-9.5mm	0.3m-12m
6	168.3mm	3.0mm-12.0mm	1.0m-12.0m
8	219.1mm	3.2mm-12.0mm	1.0m-12.0m
10	273mm	3.2mm-12.0mm	1.0m-12.0m
12	323.8mm	6.0mm-15.0mm	1.0m-12.0m
14	355.6mm	8.0mm-15.0mm	1.0m-12.0m
16	406.4mm	8.0mm-20.0mm	1.0m-12.0m

Note: Pre-galvanized round hollow section with OD 19mm-100mm and thickness 1mm-2.3mm are also available.

FAQ of Galvanized Hot Rolled 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.

Galvanized Hot Rolled Steel Pipe Images：

Galvanized Hot Rolled Steel Pipe 1-4“

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 sewage treatment plants?: Yes, steel pipes can be used for sewage treatment plants. Steel pipes are commonly used in sewage treatment plants due to their durability, strength, and resistance to corrosion. They are suitable for transporting sewage, wastewater, and other fluids in these facilities.

Q: How are steel pipes connected together?: Steel pipes are typically connected together using various methods such as welding, threading, or using mechanical fittings, depending on the specific application and requirements.

Q: Difference between seamless steel pipe and welded pipe: Seamless steel pipe can be used in various industries, such as liquid, pneumatic, pipeline and gas pipeline.

Q: What's the gate number of the precision steel pipe?: This kind of steel tube and ordinary hot-rolled seamless steel pipe and cold drawn seamless steel tube in the outer surface is different from the outer surface, and the diameter of the smooth finish of precision steel tube, stainless steel color and the same, inside and outside surface due to manufacturing reasons with a layer of oil.

Q: Can steel pipes be used for conveying slurry and slurries?: Yes, steel pipes can be used for conveying slurry and slurries. Steel pipes are known for their durability, high strength, and resistance to wear and corrosion, making them suitable for transporting abrasive materials like slurry. Additionally, steel pipes can handle high pressures and temperatures, making them reliable for conveying slurries in various industries such as mining, construction, and wastewater treatment.

Q: How are steel pipes used in heating systems?: Steel pipes are commonly used in heating systems as they have excellent durability and heat resistance properties. These pipes are typically used to transport hot water or steam from a heating source, such as a boiler, to various parts of a building, including radiators or baseboard heaters. They are also used for circulating cooled water back to the heating source for reheating. The high strength and corrosion-resistant nature of steel pipes make them ideal for handling the high temperatures and pressures involved in heating systems, ensuring efficient heat transfer and long-lasting performance.

Q: What are the disadvantages of using steel pipes?: One major disadvantage of using steel pipes is their susceptibility to corrosion. Over time, exposure to moisture and certain chemicals can cause the steel to rust, leading to structural weakness and potential leaks. Another drawback is the high cost of steel pipes compared to alternative materials such as plastic or copper. Additionally, steel pipes are relatively heavy and can be challenging to handle and transport.

Q: How do steel pipes handle seismic activities?: Steel pipes are highly durable and flexible, making them well-suited for handling seismic activities. The inherent strength and elasticity of steel allow the pipes to withstand ground movements during earthquakes without fracturing or collapsing. Additionally, steel pipes can absorb and distribute seismic forces throughout their structure, reducing the risk of damage or failure.

Q: Are steel pipes suitable for use in mining applications?: Yes, steel pipes are suitable for use in mining applications. Steel pipes are known for their high durability, strength, and resistance to corrosion, making them ideal for mining operations where they may be exposed to harsh conditions such as abrasive materials, high pressure, and extreme temperatures. Additionally, steel pipes can be easily welded and customized to meet specific mining requirements, making them a reliable choice for transporting fluids, gases, and materials in mining operations.

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