Welded ERW Steel Pipe Q235
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 12000 m.t./month
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1、Structure of Welded Black ERW Steel Pipe:
ERW steel pipe 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.
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: How are steel pipes threaded for connection?
- Steel pipes are threaded for connection using a threading machine that cuts grooves into the pipe's outer surface. The machine rotates the pipe while a die cuts the threads, creating a spiral pattern. This threading allows pipes to be securely connected by screwing them together, providing a tight and leak-free joint.
- Q: What is the difference between steel pipes and PVC-U pipes?
- Steel pipes and PVC-U pipes differ in their composition, durability, and application. Steel pipes are made from iron and carbon, providing them with high strength and resistance to extreme conditions. They are commonly used for transporting water, gas, and oil in industrial settings due to their durability and ability to withstand high pressure and temperature. PVC-U pipes, on the other hand, are made from a synthetic plastic called polyvinyl chloride. They are lightweight, corrosion-resistant, and easy to install, making them ideal for residential plumbing, irrigation systems, and drainage. While steel pipes are more robust and suitable for heavy-duty applications, PVC-U pipes are cost-effective, versatile, and suitable for lighter applications.
- Q: How are steel pipes cleaned and maintained?
- Steel pipes are cleaned and maintained through various methods. The process typically involves removing any debris or rust from the pipes using wire brushes or sandblasting. After cleaning, a protective coating is applied to prevent corrosion. Regular inspections and maintenance checks are also conducted to identify any potential issues such as leaks or weak points, ensuring the pipes remain in optimal condition.
- Q: What are the different threading options for steel pipes?
- The different threading options for steel pipes include tapered thread, straight thread, and multiple thread options. Tapered threads are commonly used for pipes that carry fluids or gases under pressure, as they provide a tight seal. Straight threads are used for pipes that require a secure connection but do not need to be sealed tightly. Multiple thread options, such as double and triple threads, are used for high-pressure applications where a stronger connection is needed.
- Q: Can steel pipes be used for gas transportation?
- Gas transportation can indeed employ steel pipes. Steel is frequently chosen as the material for gas pipelines due to its robustness, longevity, and resistance to corrosion. High pressures are withstood by steel pipes, rendering them suitable for conveying both natural gas and propane. Their ability to endure extreme temperatures further enhances their suitability for gas transportation across diverse settings. Moreover, steel pipes can be seamlessly welded together to create a continuous pipeline system. Nonetheless, it is crucial to guarantee that the steel pipes employed for gas transportation are adequately coated and shielded against corrosion to avert any leakage or pipeline harm.
- Q: Can steel pipes be used for nuclear power plants?
- Yes, steel pipes can be used for nuclear power plants. Steel pipes are commonly used in the construction of nuclear power plants for various purposes such as transporting coolant, steam, and other fluids. Steel pipes offer excellent strength, durability, and resistance to high temperatures and pressure, making them suitable for the demanding conditions of nuclear power plants.
- Q: How are steel pipes insulated against heat loss?
- There are multiple ways to insulate steel pipes to prevent heat loss. One widely used method involves utilizing insulation materials like mineral wool or fiberglass wraps. These materials are wrapped around the pipes, forming a barrier that reduces heat transfer. Another approach involves directly applying insulation coatings like foam or rubber coatings onto the pipe's surface. These coatings create a protective layer that minimizes heat loss. Additionally, thermal tape or heat-resistant tape can be employed to seal any gaps or joints in the insulation, ensuring a continuous barrier against heat loss. In summary, effectively insulating steel pipes is crucial to maintaining the desired temperature of the fluid or gas being transported and enhancing energy efficiency across diverse industries.
- Q: Can steel pipes be used for conveying solid materials?
- Yes, steel pipes can be used for conveying solid materials. Steel pipes are known for their durability and strength, making them suitable for transporting various solid materials such as ores, grains, coal, and construction materials. The smooth interior of steel pipes allows for efficient flow and minimal friction, making them a preferred choice in industries like mining, agriculture, and construction.
- Q: Can steel pipes be bent or shaped?
- Yes, steel pipes can be bent or shaped using various techniques such as cold bending, hot bending, or by using specialized machinery like pipe benders.
- Q: What is the maximum temperature that steel pipes can handle?
- The maximum temperature that steel pipes can handle varies depending on the specific grade and type of steel used. However, in general, steel pipes can withstand high temperatures ranging from 750 to 1200 degrees Celsius (1382 to 2192 degrees Fahrenheit).
Send your message to us
Welded ERW Steel Pipe Q235
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- 35 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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