High quality Roller pipes from China
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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Outside diameter | 1/2”-12” |
Wall Thickness | 1.0 -12mm SCH40,60,80, etc. |
Tolerance | ±5% |
Material | Q195,Q215,Q235,Q345 |
Quality grade | First grade |
Section Shape | Round |
Surface Treatment | Hot rolled and ERW |
Technique | Hot rolled |
Ends | Threaded Ends, Grooved Ends |
Length | Less than 12m |
MOQ | 10 Metric Ton or as your request if normal size |
Deliver Time | Stock |
Package | Nude pipe in bundle or as your request |
Payment terms | T/T,L/C |
Standard | GB/T3091-2008; BS1837-1985; ASTM A53/A53M-07; ASTM A513-07; ASTM A252; JIS G3444-06; JIS G3452-2010; EN10255; DIN2440 |
Main Usage Relevant Size | 1. Water Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 60-273mm 2. Threaded/Screwed Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 21.3-165.1mm 3. Structural Steel Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 21.7-190.7mm 4. Scaffolding Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 48mm 5. Straight Seam Welded Pipe Material: Q195/Q215/Q235/Q345B Outside Diameter: 48-273mm 6. Steel pipes with a longitudinal ERW Material: Q195/Q215/Q235/Q345B Outside Diameter: 21.3-273.1mm Standard: GB/T 3091-2008 |
Certificate: ISO9001:2008 by international quality system.
Steel material and various physics and chemistry property service.
1. How about the Delivery Time?
The goods will be produced since we getting your deposit by T/T or Your original L/C.
For normal size, some stocks in our factory now, we can supply once you need.
2. What kind of payment does your company support?
T/T, 100% L/C at sight, Cash, Western Union are all accepted.
3. What is the M.O.Q?
Min Order Quantity.
Generally speaking, the MOQ is 10 metric ton per size,
however, we can provide you samples for quality inspection.
4. Do you charge for the samples?
According to our company principle, we just charge for samples, you pay for the freight charge.
However, we will return the samples fees back to you during the next order.
5. How about your Feature and Advantage?
Firstly, we are a 11 years factory, our price is competitive and our quality is the NO.1.
Then we do some special service for export: Thread, Oil Coating, Groovy,
Standard Export Packing, Hydraulic Pressure, Automatic painting, stamping,
Steel material and various physics and chemistry property, zinc ingot element testing service. etc.
6. How to know the Quality Guarantee:
Visit Our factory is the best way to know each other more.
ISO9001:2008 by international quality system Certificate and The Third Inspection can prove our quality.
We will attach some relevant photos via email so show our factory, machine and products for you.
7. Can you tell me your main customers’ information?
That is our customers’ privacy, we should protect their information.
At the same time, please rest assured that your information is also safe here.
- Q: What is hot rolled steel pipe? What is a cold drawn steel tube?
- Overview of two processesHot-rolled (extrusion seamless pipe): billet, heating, perforation, three roll cross rolling, rolling or extrusion, tube to tube diameter (or reducing) - cooling - tube, straightening, pressure test (or testing), marking and warehousing.Cold drawing (rolling) seamless steel pipe: round tube to heating to perforation, annealing, pickling, leading to oil (copper), multi pass drawing (Leng Zha), the blank pipe, heat treatment, straightening, pressure test (testing), marking and warehousing.
- Q: How are steel pipes used in the construction of offshore platforms?
- Steel pipes are extensively used in the construction of offshore platforms due to their durability, strength, and corrosion resistance. These pipes form the structural framework of the platform, providing support and stability. They are utilized for various purposes such as transporting fluids, including oil and gas, and for the installation of risers, which connect the platform to subsea equipment. Additionally, steel pipes are employed in the construction of pipelines and flowlines, facilitating the transportation of hydrocarbons from the platform to onshore facilities.
- Q: What is the difference between seamless and ERW steel pipes?
- Seamless steel pipes are manufactured without any welding or seams, resulting in a uniform and continuous structure. On the other hand, ERW (Electric Resistance Welded) steel pipes are created by welding the edges of the steel strip or plate together to form a tube. This welding process can cause a visible seam along the length of the pipe. While seamless pipes are generally considered stronger and more reliable due to their uninterrupted structure, ERW pipes are more cost-effective and readily available.
- Q: Are steel pipes suitable for potable water supply?
- Yes, steel pipes are suitable for potable water supply. They are commonly used for water distribution systems due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential contamination of the water supply.
- Q: How do steel pipes handle chemical exposure?
- Steel pipes are renowned for their excellent ability to resist exposure to chemicals. The strength and durability of steel make it a dependable material for managing different types of chemicals. Steel pipes can endure contact with a diverse array of corrosive substances like acids, alkalis, solvents, and gases without undergoing significant degradation or damage. One of the primary factors contributing to the effectiveness of steel pipes in handling chemical exposure is their innate resistance to corrosion. Steel naturally resists corrosion and can create a protective oxide layer on its surface, which acts as a barrier against chemical attack. Additionally, steel pipes can be coated or lined with materials that have corrosion-resistant properties, such as epoxy, polyethylene, or cement, to offer additional defense against aggressive chemicals. Furthermore, steel pipes find widespread use in industrial settings where they encounter various chemicals. They are extensively employed in chemical plants, refineries, water treatment facilities, and other industries that require the transportation or storage of chemicals. Steel pipes can withstand the high pressures and temperatures associated with these processes while retaining their structural integrity and resistance to chemicals. However, it is important to acknowledge that the resistance of steel pipes to chemical exposure may vary depending on the specific type and concentration of the chemical. Certain highly corrosive substances may necessitate additional measures, such as specialized coatings or alloys, to ensure long-term protection. In conclusion, steel pipes are generally well-suited for managing chemical exposure due to their inherent resistance to corrosion, durability, and versatility. Their capability to endure a wide range of corrosive substances makes them a trustworthy choice for diverse industrial applications involving the transportation and storage of chemicals.
- Q: What is the thermal conductivity of steel pipes?
- The thermal conductivity of steel pipes can vary depending on the specific type of steel used and its composition. However, on average, the thermal conductivity of steel pipes is around 50-60 watts per meter-kelvin (W/mK). This means that steel pipes are relatively good conductors of heat, allowing for efficient transfer of thermal energy. The high thermal conductivity of steel pipes makes them suitable for various applications, including heating systems, industrial processes, and infrastructure projects where heat transfer is essential.
- Q: How are steel pipes used in the automotive exhaust systems?
- Steel pipes are commonly used in automotive exhaust systems because steel is a durable and heat-resistant material. Steel pipes are used to transport the exhaust gases from the engine to the muffler and tailpipe, ensuring that the gases are safely and efficiently expelled from the vehicle. These pipes are designed to withstand high temperatures, corrosion, and vibration, making them an essential component in the exhaust system.
- Q: What is the difference between hot-dip galvanizing and electroplating of steel pipes?
- Hot-dip galvanizing and electroplating are two different methods of applying a protective coating to steel pipes. Hot-dip galvanizing involves immersing the steel pipes in a bath of molten zinc, which creates a thick, durable coating that provides excellent corrosion protection. On the other hand, electroplating involves passing an electric current through a solution containing zinc ions, which causes the zinc to bond to the surface of the steel pipes. While electroplating can provide a thinner coating, it is generally less durable and may require additional layers or coatings for sufficient corrosion resistance.
- Q: What are the common maintenance practices for steel pipes?
- The common maintenance practices for steel pipes include regular inspections for signs of corrosion or damage, cleaning and removing any debris or obstructions, applying protective coatings to prevent rust and corrosion, and conducting periodic leak tests to ensure the integrity of the pipes. Additionally, proper handling and storage procedures should be followed to prevent any physical damage or contamination.
- Q: What is the difference between steel pipes and fiberglass-reinforced pipes?
- Steel pipes are made from a durable and strong material known as steel, which provides high strength and resistance to corrosion. On the other hand, fiberglass-reinforced pipes are made from a combination of fiberglass and resin, offering a lightweight and corrosion-resistant alternative. While steel pipes are commonly used for heavy-duty applications such as oil and gas pipelines, fiberglass-reinforced pipes are often preferred for applications that require resistance to chemicals and high temperatures, like in the chemical industry. Additionally, fiberglass-reinforced pipes have the advantage of being non-conductive, making them suitable for certain electrical applications.
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High quality Roller pipes from China
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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