Welded Black ERW Steel Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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1、Structure of Welded Black ERW Steel Pipe:
ERW steel pipe is ERW pipe, English electric resistance welding, the abbreviation for ERW for transporting oil and natural gas vapor liquid objects, can meet the requirements of high and low pressure, the transport in the world with pipe sector accounted for a pivotal position.
2、Main Features of Welded Black ERW Steel Pipe:
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
• Small inertia resistance
• Strong heat dissipation ability
3、Welded Black ERW Steel Pipe 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.
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:
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.
6、 Welded Black ERW Steel Pipe Images：
- Q: ASME seamless tube how to express, what is the form, I did not find on the ASME, thank God!
- Welded and seamless pipe standards are ASME B31.10, no go, if you want to force a seamless tube, the request can be seamless for seamless meaning.In addition to that, the cost and difficulty of manufacturing welded pipe is higher than that of seamless tube.
- Q: Can steel pipes be used for water supply systems?
- Yes, steel pipes can be used for water supply systems. Steel pipes are commonly used in water supply 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 leaching of metals into the water supply. Additionally, regular maintenance and inspection is necessary to prevent any damage or deterioration that could affect the overall integrity of the water supply system.
- Q: What are the factors that affect the pressure rating of steel pipes?
- There are several factors that can affect the pressure rating of steel pipes. 1. Material strength: The strength of the steel used in the pipe construction plays a crucial role in determining its pressure rating. Higher strength steel can withstand higher pressure levels, whereas weaker grades of steel may have lower pressure ratings. 2. Wall thickness: The thickness of the pipe wall directly impacts its pressure rating. Thicker walls can handle higher pressure levels as they provide more resistance against the internal forces exerted by the fluid or gas flowing through the pipe. 3. Pipe diameter: The diameter of the steel pipe also influences its pressure rating. Generally, larger pipes have higher pressure ratings as they have a larger cross-sectional area to distribute the internal pressure forces. 4. Temperature: Elevated temperatures can significantly affect the pressure rating of steel pipes. High temperatures can weaken the steel material, reducing its overall strength and, consequently, its pressure rating. Therefore, it is important to consider the maximum operating temperature when determining the pressure rating of steel pipes. 5. Corrosion resistance: Corrosion can weaken the pipe material over time, leading to a decrease in its pressure rating. Various factors such as the type of fluid being transported, pH levels, and environmental conditions can impact the corrosion resistance of steel pipes. Utilizing corrosion-resistant coatings or selecting stainless steel pipes can help mitigate this factor. 6. Manufacturing standards: Compliance with recognized industry standards and specifications is crucial in determining the pressure rating of steel pipes. These standards ensure that the pipes are manufactured using proper techniques and materials, providing reliable and accurate pressure ratings. 7. External loads: External loads or forces acting on the pipes, such as soil settlement, traffic loads, or installation practices, can affect their pressure rating. Proper design and installation techniques, including adequate support and protection, are essential in ensuring the pipes can withstand these external forces without compromising their pressure rating. It is important to consider all these factors and consult relevant industry standards and guidelines to determine the appropriate pressure rating for steel pipes in different applications.
- Q: How are steel pipes insulated to prevent freezing?
- Steel pipes are typically insulated using materials such as foam or fiberglass insulation, which are wrapped around the pipes. This insulation helps to prevent freezing by providing a barrier between the cold temperatures outside and the pipes, thus maintaining the necessary heat inside the pipes to prevent freezing.
- Q: How are steel pipes protected against UV radiation?
- Steel pipes are typically protected against UV radiation through the application of specialized coatings or paints that contain UV inhibitors. These coatings form a barrier between the steel surface and the sun's UV rays, preventing degradation, discoloration, and potential structural damage caused by prolonged exposure to UV radiation.
- Q: What is the role of steel pipes in the transportation of liquefied natural gas (LNG)?
- Steel pipes play a vital role in the transportation of liquefied natural gas (LNG) due to their unique properties and characteristics. LNG is a form of natural gas that has been cooled to a liquid state for ease of transportation and storage. The transportation of LNG requires specific infrastructure, and steel pipes are an essential component of this infrastructure. Firstly, steel pipes are used in the construction of LNG terminals and liquefaction plants. These facilities are responsible for converting natural gas into its liquid form and storing it before transportation. The extreme cold temperatures required to maintain LNG in its liquid state necessitate the use of materials that can withstand these conditions, and steel pipes are well-suited for this purpose. Steel pipes have excellent strength and durability, making them capable of handling the low temperatures and high pressures involved in the liquefaction and storage processes. Secondly, steel pipes are used in the transportation of LNG from the liquefaction plants to the storage tanks or shipping vessels. LNG is typically transported over long distances, either through pipelines or via specialized LNG carriers. Steel pipes are used in the construction of underground or above-ground pipelines, providing a reliable and safe means of transporting the LNG. The pipes must be able to maintain the low temperatures of the LNG while withstanding the pressures and stresses associated with the transportation process. Steel pipes offer the necessary strength, corrosion resistance, and thermal properties to ensure the safe and efficient transportation of LNG. Lastly, steel pipes are also used in the construction of storage tanks for LNG. These tanks are designed to maintain the LNG in its liquid state until it is ready for use or further transportation. The tanks are often constructed using a combination of steel plates and steel pipes. Steel pipes are used to connect the various components of the tank, such as the inner and outer shells, reinforcing the structural integrity of the tank and ensuring its ability to withstand the extreme conditions to which it is subjected. In summary, steel pipes play a crucial role in the transportation of liquefied natural gas (LNG) due to their strength, durability, and ability to withstand low temperatures and high pressures. From the construction of LNG terminals and liquefaction plants to the transportation through pipelines or on specialized vessels, steel pipes are a vital component of the infrastructure required for the safe and efficient transportation and storage of LNG.
- Q: Can steel pipes be used for underground fire hydrants?
- Yes, steel pipes can be used for underground fire hydrants. Steel pipes are commonly used in underground water supply systems, including fire hydrant installations. They are known for their durability, strength, and resistance to corrosion, which makes them suitable for underground applications. Additionally, steel pipes can withstand high water pressures and provide a reliable and long-lasting solution for fire hydrant installations. However, it is essential to ensure that the steel pipes used for underground fire hydrants are properly coated or lined to prevent corrosion and maintain their structural integrity over time. Regular maintenance and inspections should also be conducted to identify and address any potential issues that may arise.
- Q: How do you prevent steel pipes from freezing in cold climates?
- To prevent steel pipes from freezing in cold climates, it is important to insulate the pipes properly. This can be done by wrapping them with insulation sleeves or foam, which helps to retain heat and prevent rapid temperature changes. Additionally, ensuring that there is proper ventilation in the area where the pipes are located can help to maintain a higher temperature and prevent freezing.
- Q: What are the safety precautions when working with steel pipes?
- When working with steel pipes, some important safety precautions to follow include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. Additionally, it is essential to ensure proper ventilation in the work area to prevent the accumulation of hazardous fumes or gases. Using the correct tools and equipment, such as pipe wrenches and clamps, and following proper lifting techniques are crucial to avoid strains or back injuries. Regular inspection and maintenance of the pipes and equipment are also necessary to prevent any potential accidents. Lastly, it is important to receive proper training and follow established safety procedures to minimize risks and promote a safe working environment.
- Q: What are the standard dimensions and weight of steel pipes?
- The specific type and grade of steel pipes determine the variation in standard dimensions and weight. Nonetheless, the industry widely accepts some common standard dimensions and weight ranges. Seamless steel pipes typically have standard dimensions ranging from 1/8 inch to 60 inches in outer diameter (OD) and from 10.3 mm to 914.4 mm in wall thickness. The weight of seamless steel pipes varies depending on the size and length, ranging from a few kilograms to several metric tons. Similarly, welded steel pipes have standard dimensions ranging from 1/2 inch to 80 inches in OD and from 3.2 mm to 25.4 mm in wall thickness. The weight of welded steel pipes can also greatly vary, ranging from a few kilograms to several metric tons. It is worth noting that the dimensions and weight of steel pipes can be customized according to specific project requirements. Moreover, different countries or regions may have their own standards and specifications for steel pipes. Therefore, it is always advisable to consult the relevant standards and guidelines when determining the dimensions and weight of steel pipes for a particular application.
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Welded Black ERW Steel Pipe
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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