• Steel Pipe  Welded Black ERW Steel Pipe 5L System 1
  • Steel Pipe  Welded Black ERW Steel Pipe 5L System 2
Steel Pipe  Welded Black ERW Steel Pipe 5L

Steel Pipe Welded Black ERW Steel Pipe 5L

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
7500 m.t./month

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1、Structure of Welded Black ERW Steel Pipe 5L 5 CT :

Welded Black ERW Steel Pipe 5L 5 CT  is 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.With sound reputation and high quality , we will offer clients a wonderful business experience.

 

2、‍‍Main Features of Welded Black ERW Steel Pipe 5L 5 CT :

• High manufacturing accuracy

• High strength

• Good visual effect

• Good view and appearance 

• Good shape 

• Reasonable price  

• Small inertia resistance

• Strong heat dissipation ability

 

3、Welded Black ERW Steel Pipe 5L 5 CT  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 5L 5 CT : 

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 5L 5 CT  Images: ‍‍

 

 

Steel Pipe  Welded Black ERW Steel Pipe 5L

Steel Pipe  Welded Black ERW Steel Pipe 5L

 

Q:45 and 316 which steel tubes are of high hardness?
316 stainless steel by adding Mo element, the corrosion resistance, and high temperature strength has greatly improved, high temperature can reach 1200-1300 degrees, can be used in severe conditions. 316F stainless steel is easy to cut stainless steel with high sulfur content. Good corrosion resistance, easy processing, good smoothness, suitable for axial parts.
Q:What are the different types of coatings used for internal lining of steel pipes?
There are several types of coatings used for the internal lining of steel pipes, including epoxy coatings, polyurethane coatings, cement mortar coatings, and thermoplastic coatings. These coatings help to protect the steel pipes from corrosion, increase their lifespan, and improve the flow of fluids through the pipes.
Q:How do you prevent freezing in steel pipes during cold weather?
To avoid freezing in steel pipes during cold weather, there are various steps that can be taken: 1. Insulating the pipes proves effective in safeguarding them from freezing. Utilize insulation sleeves or wraps to cover the pipes, especially in areas where they are exposed to low temperatures. Insulation aids in retaining heat and preventing the pipes from reaching freezing temperatures. 2. Identify and seal any air leaks around the pipes that allow cold air to enter. Use caulking or weatherstripping to seal these gaps and prevent the pipes from being exposed to cold air. 3. It is important to maintain a consistent temperature in the vicinity of the pipes. Ensure that the area is adequately heated and insulated. This will help keep the temperature above freezing and prevent the pipes from freezing. In extremely low temperatures, consider utilizing heat tape or pipe heating cables to provide additional warmth. 4. Allowing a small, continuous trickle of water to flow through the pipes can help prevent freezing. The flowing water generates heat and inhibits the formation of ice within the pipes. However, this method should only be used as a last resort due to potential water wastage. 5. If the steel pipes are located in an area that is not regularly used or if freezing weather is anticipated, it may be advisable to completely drain the pipes. Turn off the water supply and open all faucets to allow the water to drain out. This eliminates any standing water that could freeze and potentially cause the pipes to burst. It is crucial to note that prevention is key, as frozen steel pipes can result in expensive damages and water leaks. By implementing these measures, you can safeguard your steel pipes and ensure their functionality during cold weather.
Q:What is the electrical conductivity of steel pipes?
Steel pipes have a high electrical conductivity due to the metallic nature of steel. The electrical conductivity of steel pipes can vary depending on the specific composition and properties of the steel used. Generally, steel has a conductivity ranging from 6.99 × 10^6 to 9.64 × 10^6 siemens per meter (S/m) at room temperature. This conductivity allows steel pipes to efficiently conduct electricity and be used in various applications such as electrical transmission and grounding systems.
Q:Are steel pipes suitable for potable water systems?
Yes, steel pipes are suitable for potable water systems. They are known for their durability, strength, and resistance to corrosion, making them an excellent choice for transporting and distributing clean drinking water. However, it is important to ensure proper coating and maintenance to prevent any potential contamination or degradation of water quality.
Q:How are steel pipes used in the manufacturing of boilers and heat exchangers?
Boilers and heat exchangers rely on steel pipes as an essential component due to their exceptional properties and capabilities. These pipes are specifically designed to endure high temperatures, pressures, and corrosive environments, making them highly suitable for these purposes. When constructing boilers, steel pipes are employed to form the main body or shell. This shell contains the water or steam that is heated to generate heat or produce steam for diverse industrial processes. The steel pipes used in boilers are typically seamless or welded, possessing precise dimensions and exceptional strength to ensure structural integrity and prevent any potential leaks. Heat exchangers, on the other hand, are devices used for transferring heat between two fluids, often with varying temperatures. Steel pipes are utilized in heat exchangers as the primary medium for heat transfer. The pipes are commonly arranged in a pattern, allowing the hot fluid to pass through one set of pipes while the cold fluid passes through another set. This arrangement facilitates efficient heat transfer between the two fluids. The use of steel pipes in boilers and heat exchangers provides numerous advantages. Firstly, steel pipes exhibit excellent thermal conductivity, enabling efficient heat transfer between the fluid and the surrounding environment. Secondly, steel pipes possess high tensile strength and can withstand high pressures, ensuring the safety and reliability of the equipment. Thirdly, steel pipes are highly resistant to corrosion, which is crucial in environments where the processed fluids are corrosive or contain impurities. Furthermore, steel pipes can be easily fabricated and customized to meet the specific requirements of boilers and heat exchangers. They can be manufactured in various sizes, lengths, and thicknesses to accommodate diverse applications. Additionally, steel pipes can be coated or lined with materials such as ceramic or epoxy to provide additional protection against corrosion or abrasion. In conclusion, steel pipes play a crucial role in the manufacturing of boilers and heat exchangers. Their exceptional properties, including high strength, thermal conductivity, and corrosion resistance, make them the optimal choice for these applications. The use of steel pipes ensures the efficient operation, safety, and longevity of boilers and heat exchangers in various industrial processes.
Q:How are steel tubes represented?
Galvanized pipe: InchSeamless steel tube, welded pipe, nonferrous metal pipe, etc.: outer diameter x wall thickness
Q:What is the flexibility of steel pipes?
Steel pipes are known for their exceptional flexibility, making them highly versatile and suitable for a wide range of applications. The flexibility of steel pipes refers to their ability to bend and withstand various forms of stress without breaking or deforming. This flexibility is primarily due to the inherent properties of steel, such as its high tensile strength and ductility. Steel pipes can be bent and formed into different shapes without compromising their structural integrity. This allows for easier installation and routing around obstacles, making them more adaptable for complex plumbing or piping systems. Additionally, the flexibility of steel pipes enables them to withstand external forces, such as ground movements or temperature fluctuations, without experiencing significant damage. The flexibility of steel pipes also makes them suitable for applications that require dynamic movement or expansion. For instance, in oil and gas pipelines or in heating and cooling systems, where temperature variations can cause expansion and contraction, steel pipes are able to accommodate these changes without causing leaks or failures. Furthermore, the flexibility of steel pipes contributes to their durability and longevity. The ability to withstand bending and stress helps prevent the formation of cracks or fractures that can lead to leaks or structural failures. This characteristic makes steel pipes a reliable choice for demanding environments, including high-pressure systems or corrosive conditions. In summary, the flexibility of steel pipes is a crucial attribute that allows for easy installation, adaptability to various conditions, and long-term reliability. With their exceptional flexibility, steel pipes are widely preferred in numerous industries and applications where strength, durability, and versatility are essential.
Q:How are steel pipes used in the chemical processing industry?
Steel pipes are used extensively in the chemical processing industry as they offer superior strength, durability, and resistance to corrosion. These pipes are used to transport various chemicals, including acids, alkalis, and solvents, throughout the processing plants. They are also utilized for conveying gases, steam, and liquids under high pressure and temperature conditions. Furthermore, steel pipes are employed in the construction of chemical reactors, heat exchangers, and storage tanks, ensuring the safe and efficient operation of chemical processes.
Q:What are the limitations of using steel pipes?
Using steel pipes in various applications has several limitations. Firstly, the cost of steel pipes compared to materials like plastic or copper can be quite high. This can be a significant drawback for projects with limited budgets. Secondly, steel pipes are susceptible to corrosion. Exposure to moisture and certain chemicals over time can cause rust and deterioration. This can lead to leaks, reduced structural integrity, and the need for expensive repairs or replacement. Another limitation is the weight and rigidity of steel pipes. They are generally heavier and less flexible than other types of pipes, making installation and maneuvering more challenging in certain settings. Additionally, their rigid nature makes them less suitable for applications requiring movement or flexibility. Furthermore, steel pipes can experience thermal expansion and contraction. Extreme temperatures can cause them to expand or contract, potentially stressing joints, fittings, or other components. This can lead to leaks or even pipe failure if not properly addressed. Lastly, steel pipes are not as resistant to certain chemicals or substances as other materials. Some chemicals can corrode or erode the inner lining, compromising integrity and potentially causing contamination or leakage. While steel pipes have advantages, it is important to consider these limitations when selecting the most suitable material for a specific application.

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