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: What is the role of steel pipes in the construction of bridges and tunnels?
- Steel pipes play a vital role in the construction of bridges and tunnels as they provide structural support and durability. They are commonly used for the fabrication of the framework and foundation of these infrastructures. Steel pipes offer high tensile strength, corrosion resistance, and the ability to withstand heavy loads, making them an ideal choice for ensuring the integrity and longevity of bridges and tunnels. Additionally, steel pipes can be easily welded, allowing for efficient and cost-effective construction methods.
- Q: How are steel pipes used in the manufacturing of heat exchangers?
- Steel pipes are commonly used in the manufacturing of heat exchangers due to their excellent heat transfer properties and durability. They are utilized as the main components for carrying and transferring hot or cold fluids within the heat exchanger system. The steel pipes ensure efficient heat exchange by providing a smooth and continuous flow of the fluid, while also withstanding high temperatures and pressures. Additionally, steel pipes are often preferred for their corrosion resistance, making them suitable for various industrial applications requiring reliable and long-lasting heat exchangers.
- Q: How do you calculate the bending moment of a steel pipe?
- The bending moment of a steel pipe can be calculated using the formula M = F * d, where M is the bending moment, F is the applied force, and d is the distance from the neutral axis to the point where the bending moment is being calculated.
- Q: How are steel pipes connected together?
- Steel pipes are typically connected together through various methods such as welding, threading, and flanging. Welding involves fusing the ends of pipes together using high heat, creating a strong and permanent connection. Threading involves screwing the ends of pipes together using threads, while flanging involves connecting pipes by flaring or bending their ends and securing them with bolts. These methods ensure a secure and reliable connection between steel pipes.
- Q: What is the difference between steel pipes and copper pipes?
- Steel pipes and copper pipes differ in terms of their material composition, with steel pipes being made of steel and copper pipes being made of copper. Steel pipes are generally stronger and more durable, making them suitable for high-pressure applications and underground installations. Copper pipes, on the other hand, have excellent heat conductivity and corrosion resistance, making them ideal for plumbing and heating systems. Additionally, copper pipes are more expensive than steel pipes but offer better resistance to bacteria growth. Ultimately, the choice between steel and copper pipes depends on the specific needs and requirements of the application.
- Q: Can steel pipes be used for underground heating systems?
- Yes, steel pipes can be used for underground heating systems. Steel is a durable and robust material that can withstand the pressure and temperature requirements of heating systems. Additionally, steel pipes are resistant to corrosion, which is crucial for underground applications where exposure to moisture and other elements is common.
- 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 steel pipes handle expansion and contraction?
- Steel pipes handle expansion and contraction through their inherent flexibility and ability to withstand temperature variations. As steel is a ductile material, it can expand and contract without significant deformation or structural damage. Additionally, the use of expansion joints or loops in piping systems allows for controlled movement and accommodates thermal expansion and contraction effectively.
- Q: What are the different types of corrosion that can affect steel pipes?
- There are several types of corrosion that can affect steel pipes, including uniform corrosion, pitting corrosion, crevice corrosion, galvanic corrosion, and stress corrosion cracking.
- Q: Is the steel frame on each floor supporting formwork (floor) called full scaffolding?
- The scaffold is also called full house scaffolding is a construction process for building a scaffold. Hall scaffolding relative to other scaffolding system density, that is, the house full of shelves. The full scaffolding is more secure than the rest of the scaffolding.
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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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