Welded Black ERW Steel Pipe Q235B Scaffolding Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 27 m.t.
- Supply Capability:
- 6000 m.t./month
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1、Structure of Welded Black ERW Steel Pipe Q235B:
ERW steel pipe is electric resistance welding, the abbreviation for ERW for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Welded Black ERW Steel Pipe Q235B:
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
• Small inertia resistance
• Strong heat dissipation ability
3、Welded Black ERW Steel Pipe Q235B Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 1 - 33 mm |
Section Shape | Round |
Outer Diameter | 21 - 610mm |
Place of Origin | Tianjin, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
7) Shippment : This will be done under the request of clilents with the standard and professional agency.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Welded Black ERW Steel Pipe Q235B:
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.
With sound reputation and high quality , we will offer clients a wonderful business experience. Hope we have the opportunity to develop our busyness successfully hand in hand.
6、 Welded Black ERW Steel Pipe Q235B Images：
- Q: Seamed steel pipe seamless steel pipe, carbon steel pipe, galvanized pipe, four how to distinguish between
- Welded and seamless steel pipe is divided according to the processing form, usually welded seam steel tube, seamless steel tube drawing and hot two ways, carbon steel is material, galvanized pipe is welded pipe production after the surface is galvanized
- Q: How are steel pipes used in the food processing industry?
- Steel pipes are commonly used in the food processing industry for various purposes such as transporting liquids, gases, and solids, as well as for conveying hot water, steam, and chemicals. These pipes are known for their durability, corrosion resistance, and ability to withstand high temperatures, making them ideal for applications where strict hygiene and safety standards are essential. Steel pipes are used in food processing plants for tasks like transferring ingredients, transporting processed products, and maintaining a sterile environment through steam cleaning and sanitization processes.
- Q: What are the properties of steel that make it suitable for pipe manufacturing?
- Steel is a highly preferred material for pipe manufacturing due to its unique properties. Firstly, steel exhibits exceptional strength and durability, making it capable of withstanding high pressure and extreme temperatures. This strength ensures that steel pipes can safely transport fluids and gases over long distances without the risk of leakage or breakage. Another important property of steel is its resistance to corrosion. Steel pipes are often exposed to various corrosive substances such as water, chemicals, and gases, which can degrade other materials over time. However, steel is highly resistant to corrosion, resulting in long-lasting and reliable pipes. Additionally, steel is a highly versatile material, allowing for various pipe sizes and shapes to be manufactured. Steel pipes can be customized to meet specific project requirements, making them suitable for a wide range of applications such as water supply, oil and gas transmission, sewage systems, and structural support. Moreover, steel is known for its excellent thermal conductivity, which is crucial for applications involving the transportation of hot or cold fluids. Steel pipes efficiently transfer heat, ensuring minimal energy loss during the process. Furthermore, steel is a recyclable material, making it an environmentally friendly option for pipe manufacturing. Steel pipes can be recycled and reused, reducing the need for new raw materials and minimizing waste generation. In conclusion, the properties of strength, durability, corrosion resistance, versatility, thermal conductivity, and recyclability make steel an ideal choice for pipe manufacturing. These properties ensure the reliability, efficiency, and longevity of steel pipes in various industries and applications.
- Q: How are steel pipes used in the construction of shipbuilding?
- Steel pipes are commonly used in shipbuilding for various purposes such as transporting fluids, supporting structures, and providing stability. They are used for the construction of the ship's hull, bulkheads, and compartments, as well as for the installation of water, fuel, and ventilation systems. Steel pipes are also utilized for the construction of masts, rigging, and other ship components that require strength and durability.
- Q: What's the material of Q325 steel pipe?
- In terms of deoxidation methods, F, B, Z can be expressed as boiling steel, flat killed steel, killed steel and boiling steel. They are deoxidized steel, which is of poor plasticity and toughness. Welded joints made of this material are susceptible to cracks when subjected to dynamic loads. Should not work at low temperatures, sometimes hardening. In contrast, calming steel is excellent and uniform, with good plasticity and toughness.
- Q: What are the different methods of pipe inspection for steel pipes?
- There are several methods of pipe inspection that can be used for steel pipes. Some of the commonly used methods are as follows: 1. Visual Inspection: This is the most basic form of pipe inspection where a trained inspector visually examines the exterior and interior of the pipe to identify any visible defects or abnormalities. This method is often used as a preliminary inspection before more advanced techniques are employed. 2. Magnetic Particle Inspection (MPI): MPI involves applying a magnetic field to the steel pipe and then applying iron particles to the surface. Any surface cracks or defects in the pipe will cause a leakage of magnetic flux, which can be detected by the inspector. This method is particularly effective in identifying surface defects in ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that uses high-frequency sound waves to detect internal defects or anomalies in steel pipes. A transducer is used to send ultrasonic waves into the pipe, and the reflections or echoes of the sound waves are analyzed to determine the presence of defects such as corrosion, cracks, or wall thickness variations. 4. Radiographic Testing (RT): In this method, X-rays or gamma rays are used to create an image of the internal structure of the steel pipe. The X-rays or gamma rays pass through the pipe, and the resulting image can reveal any defects, such as cracks, corrosion, or weld discontinuities. This method is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that uses electromagnetic induction to detect surface and near-surface defects in steel pipes. A coil carrying an alternating current is passed over the pipe's surface, and any changes in the electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET is a method that detects and analyzes the high-frequency acoustic signals emitted by materials when they undergo deformation or damage. In the case of steel pipes, AET can be used to monitor and identify defects such as cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These are just a few of the commonly used methods of pipe inspection for steel pipes. The choice of method depends on various factors such as the type of defect being looked for, the accessibility of the pipe, the desired level of sensitivity, and the cost and time constraints. It is often recommended to use a combination of inspection techniques to ensure a thorough assessment of the steel pipes.
- Q: What are the advantages of using steel pipes in plumbing systems?
- There are several advantages of using steel pipes in plumbing systems. Firstly, steel pipes are highly durable and can withstand high levels of pressure, making them suitable for carrying water and other fluids. Additionally, steel pipes are resistant to corrosion, which ensures longevity and prevents leaks. Steel pipes also have a smooth interior surface, which improves water flow and reduces the risk of blockages. Moreover, steel pipes are fire-resistant and do not contribute to the spread of flames, enhancing overall safety. Lastly, steel pipes are environmentally friendly as they are often made from recycled materials and can be recycled again at the end of their lifespan.
- Q: What are the different types of steel pipe fittings for chemical processing plants?
- There are several types of steel pipe fittings commonly used in chemical processing plants, including elbows, tees, reducers, flanges, and valves. Elbows are used to change the direction of the flow, tees are used to combine or split the flow, reducers are used to connect pipes with different diameters, flanges are used for connecting pipes and valves, and valves control the flow of fluid within the system.
- Q: How does galvanization protect steel pipes from corrosion?
- Galvanization protects steel pipes from corrosion by forming a protective zinc coating on the surface of the pipes. This zinc coating acts as a barrier between the steel and the surrounding environment, preventing moisture and corrosive elements from reaching the steel. Additionally, if the zinc coating is damaged, it sacrificially corrodes before the steel, further protecting the pipes from rust and corrosion.
- Q: Can steel pipes be used for underground power transmission?
- Yes, steel pipes can be used for underground power transmission. Steel pipes are commonly used for underground power transmission due to their durability, strength, and resistance to corrosion. They provide a reliable and secure conduit for transmitting power underground while protecting the electrical cables from external elements.
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Welded Black ERW Steel Pipe Q235B Scaffolding Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 27 m.t.
- Supply Capability:
- 6000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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