Galvanized welded steel tubes for equipment
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 20000 m.t./month
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Specification
1、Structure of Galvanized welded steel pipe for materials :
The surface of galvanized steel pipe welded steel pipe of hot dip galvanized layer or. Galvanized can increase the corrosion resistance of the steel tube, prolong service life. Galvanized pipe is widely used, in addition to water, gas, oil and other general low pressure fluid pipelines. It is also used in the petroleum industry, especially for offshore oil field of oil well pipe and oil pipe, chemical, coking equipment of oil heater, condensation cooler, coal run oil exchanger tube, and trestle pile, the mine tunnel support frame tube.
2、Main Features of Galvanized welded steel pipe for building materials :
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 Galvanized welded steel pipe for building materials 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:Q195 Q235 Q345 X42 X52
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
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Galvanized welded steel pipe for building materials :
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.
6、 Galvanized welded steel pipe for building materials Images：
- Q: Can steel pipes be used for telecommunications cables?
- No, steel pipes cannot be used for telecommunications cables. Telecommunications cables are typically made of fiber optic or copper materials. Steel pipes are used for various applications in construction and plumbing, but they are not suitable for transmitting data or electrical signals. Fiber optic cables are designed to carry high-speed data over long distances, while copper cables are used for transmitting both data and electrical signals. These cables have specific insulation and shielding properties that steel pipes do not possess, making them unsuitable for telecommunications purposes.
- Q: How are steel pipes protected against rusting?
- Steel pipes are protected against rusting through a process called corrosion protection. There are several methods employed to prevent rust formation on steel pipes, including: 1. Coatings: One common method is applying various coatings to the surface of the steel pipes. These coatings act as a barrier, preventing oxygen and moisture from reaching the metal surface and initiating the rusting process. Coating options include epoxy, polyethylene, zinc, or even a combination of these materials. 2. Galvanization: Galvanizing steel pipes involves immersing them in a bath of molten zinc. This process creates a protective layer of zinc on the surface of the pipes which acts as a sacrificial barrier. If any small areas of the pipe surface are exposed, the zinc coating will corrode instead of the steel, providing ongoing protection against rust. 3. Cathodic Protection: This method utilizes an electrical current to protect the steel pipes. By connecting the pipes to a sacrificial anode, usually made of zinc or magnesium, the anode will corrode instead of the steel pipes when exposed to moisture and oxygen. This process is commonly used in underground or underwater applications. 4. VCI (Vapor Corrosion Inhibitor) Technology: VCI technology involves the use of chemical compounds that release a vapor that protects the steel pipes from rusting. These compounds form a thin layer on the surface of the pipes, inhibiting the corrosion process by neutralizing oxygen and moisture. 5. Regular Maintenance: In addition to the above methods, regular inspection and maintenance are crucial to prevent rust formation on steel pipes. This includes cleaning the pipes, removing any accumulated debris or corrosive substances, and repairing any damaged coatings or protective layers. Overall, these methods of corrosion protection effectively safeguard steel pipes from rusting, ensuring their longevity and durability in various industrial, commercial, and residential applications.
- Q: What are the different types of steel pipe connections for oil and gas pipelines?
- There are several different types of steel pipe connections used for oil and gas pipelines, including threaded connections, welded connections, flanged connections, and grooved connections. Each type has its own advantages and is selected based on factors such as the size of the pipeline, the pressure and temperature requirements, and the specific application.
- Q: How are steel pipes used in the construction of pipelines?
- Steel pipes are commonly used in the construction of pipelines due to their high durability, strength, and ability to withstand high pressure. These pipes are used to transport various fluids, such as oil, gas, and water, over long distances. They are welded together and laid underground or submerged to create a reliable and efficient transportation system for these resources.
- Q: How do you calculate the flow rate in a steel pipe?
- To calculate the flow rate in a steel pipe, several parameters need to be considered. The first and most important parameter is the cross-sectional area of the pipe, which can be calculated using the formula A = πr², where A is the cross-sectional area and r is the radius of the pipe. Next, the velocity of the fluid flowing through the pipe needs to be determined. This can be done using the equation v = Q/A, where v is the velocity, Q is the volumetric flow rate, and A is the cross-sectional area of the pipe. To calculate the volumetric flow rate, the equation Q = AV can be used, where Q is the volumetric flow rate, A is the cross-sectional area, and V is the average velocity of the fluid. Additionally, it is important to take into account the properties of the fluid being transported through the pipe. The density and viscosity of the fluid can affect the flow rate. Overall, the flow rate in a steel pipe can be calculated by determining the cross-sectional area of the pipe, calculating the velocity of the fluid, and considering the properties of the fluid being transported.
- Q: Can steel pipes be used for conveying abrasive materials?
- Yes, steel pipes can be used for conveying abrasive materials. Steel pipes are known for their durability and strength, making them suitable for handling abrasive substances without significant wear or damage. Additionally, steel pipes can be coated or lined with materials such as rubber or ceramic to provide extra protection against abrasion and extend their lifespan.
- Q: What are the different methods of measuring the thickness of steel pipes?
- There are several methods that can be used to measure the thickness of steel pipes, including ultrasonic testing, magnetic particle inspection, eddy current testing, and laser scanning.
- Q: What are the potential health hazards associated with steel pipe installation?
- Some potential health hazards associated with steel pipe installation include exposure to hazardous chemicals used in the coating or treatment of the pipes, inhalation of dust or fumes generated during cutting or welding, and physical injuries due to accidents or mishandling of heavy equipment. Additionally, improper handling or disposal of waste materials and contaminated water can pose environmental health risks. It is important to follow proper safety protocols, use personal protective equipment, and ensure proper ventilation and waste management to mitigate these hazards.
- Q: What's the use of steel pipe?
- (processing workshop of Tianjin steel pipe company as a result of the steel pipe truss structure, the actual steel saving up to 42.9%), with a steel pipe manufacturing highway bridge can not only save steel, simplify the construction, but also can greatly reduce the coated area, saving investment and maintenance costs.
- Q: Where is a steel pipe casing usually used?
- A straight tube of carbon steel sheathed on pipes and tubes and threading tubes to protect the joints from damage by electric welding. The purpose is to protect the wires and cables.
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Galvanized welded steel tubes for equipment
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 20000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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