• Welded Black ERW Pipe GB9711.2 ERW Pipe System 1
  • Welded Black ERW Pipe GB9711.2 ERW Pipe System 2
Welded Black ERW Pipe GB9711.2 ERW Pipe

Welded Black ERW Pipe GB9711.2 ERW Pipe

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
5600 m.t./month

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1、Structure of Welded Black ERW Pipe GB9711.2 :

Welded Black ERW Pipe GB9711.2  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 Pipe GB9711.2 :

• 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 Pipe GB9711.2  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 Pipe GB9711.2 : 

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 Pipe GB9711.2  Images: ‍‍

Welded Black ERW Pipe GB9711.2 ERW Pipe

Welded Black ERW Pipe GB9711.2 ERW Pipe

 

 

 

Q:How to distinguish between steel pipe and spiral pipe material?
The alloy tube can be divided into: low alloy pipe, alloy pipe structure, high alloy tube, high strength tube. Bearing tube, heat resistant acid resistant stainless pipe, precision alloy (such as cutting alloy) pipe, high temperature alloy tube, etc..
Q:How are steel pipes protected against lightning strikes?
Steel pipes are protected against lightning strikes by installing lightning rods or grounding systems on top of the structures where the pipes are located. These systems help to divert the electrical discharge from lightning strikes, reducing the risk of damage to the steel pipes.
Q:How are steel pipes used in the manufacturing of furniture and appliances?
Due to their strength, durability, and versatility, steel pipes find widespread use in the production of furniture and appliances. In furniture manufacturing, they are commonly employed to construct the frames and structures of various pieces, including chairs, tables, and beds. Serving as the primary support system, these pipes ensure a sturdy and dependable foundation for the furniture. In appliances, steel pipes serve multiple purposes. They are frequently utilized to create the internal framework and bear the weight of kitchen appliances such as stoves, ovens, and refrigerators. Additionally, steel pipes are commonly found in washing machines, dryers, and dishwashers, facilitating the transportation of water and other fluids throughout the appliance. Moreover, steel pipes are essential in the manufacture of outdoor furniture and equipment that require weather resistance and durability. To safeguard against rust and corrosion, these pipes are often coated with protective materials, thus ensuring the longevity of the furniture and appliances. In conclusion, steel pipes play a vital role in the production of furniture and appliances, providing the necessary strength and support. Their versatility allows for various applications, making them an indispensable component in the manufacturing process of these goods.
Q:What are the different joining methods for steel pipes?
The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.
Q:Can steel pipes be used for steam distribution?
Yes, steel pipes can be used for steam distribution. Steel pipes are known for their high strength and durability, making them suitable for carrying steam at high temperatures and pressures. Additionally, steel pipes have excellent thermal conductivity, allowing for efficient heat transfer during steam distribution.
Q:Can steel pipes be used for underground sprinkler systems?
Indeed, underground sprinkler systems can utilize steel pipes. Renowned for their durability and strength, steel pipes prove to be a fitting choice for underground applications. Their resistance to corrosion and ability to withstand high pressure and temperature render them suitable for conveying water to sprinkler heads. Nonetheless, it is crucial to acknowledge that steel pipes may necessitate supplementary coatings or protective measures to prevent rusting and corrosion in the long run. Moreover, the cost factor should be taken into account as steel pipes may be pricier compared to alternative materials like PVC or polyethylene. All in all, steel pipes can serve as a feasible option for underground sprinkler systems, particularly in regions with more severe environmental conditions.
Q:What is the difference between hot-finished and cold-finished steel pipes?
Hot-finished and cold-finished steel pipes are distinguished by their manufacturing processes, resulting in different characteristics and uses. Hot-finished steel pipes are manufactured by heating a solid steel billet to a high temperature and then piercing it to create a hollow tube. This process is known as hot rolling. The hot rolling process ensures that the steel is malleable and can be easily shaped into the desired form. Hot-finished steel pipes have a rough surface and more rounded edges. They are typically larger in diameter and have thicker walls. These pipes are commonly used in applications that require high strength and resistance to pressure, such as in the oil and gas industry, structural projects, and heavy machinery. In contrast, cold-finished steel pipes are made through a process called cold drawing. This involves pulling the hot-finished steel pipe through a die at room temperature to reduce its diameter and achieve the desired shape. The cold drawing process provides a more precise and smoother finish to the steel pipes. Cold-finished steel pipes have a smoother surface and sharper edges compared to hot-finished pipes. They are generally smaller in diameter and have thinner walls. Cold-finished steel pipes are commonly used in applications that require precise dimensions, such as automotive parts, construction components, and machinery manufacturing. Overall, the main difference between hot-finished and cold-finished steel pipes lies in their manufacturing processes, resulting in variations in surface finish, dimensions, and applications. Hot-finished pipes are suitable for high-strength and pressure-resistant applications, while cold-finished pipes are ideal for precise dimensions and smooth surface requirements.
Q:What is the average cost of steel pipes?
The average cost of steel pipes can vary significantly depending on factors such as size, grade, and quantity needed. Therefore, it is difficult to provide a specific average cost without more information.
Q:What is the role of steel pipes in HVAC systems?
Steel pipes are crucial components in HVAC systems as they are used to transport hot and cold water throughout the system. They provide a durable and reliable means of distributing heat or cooling energy to various parts of a building. Steel pipes are known for their high strength and resistance to corrosion, making them an ideal choice for HVAC applications.
Q:What are the different testing methods used for steel pipes?
There are various testing methods used for steel pipes, including non-destructive testing methods such as ultrasonic testing, magnetic particle testing, radiographic testing, and liquid penetrant testing. These methods help detect any defects or flaws in the pipes, ensuring their quality and integrity. Additionally, destructive testing methods such as tensile testing, impact testing, and hardness testing are also used to evaluate the mechanical properties of the steel pipes.

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