Hot Dipped or Pre-galvanized Galvanized Pipe A53 Q195 100g Hot Dipped
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 45 m.t.
- Supply Capability:
- 7000 m.t./month
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1、Structure of Hot Dipped or Pre-galvanized Galvanized Pipe A53 Q195 100g Hot Dipped or Pre-galvanized Pipe:
The surface of Hot Dipped or Pre-galvanized Galvanized Pipe America Standard A53 Q195 100g Hot Dipped or Pre-galvanized Pipecan 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 Hot Dipped or Pre-galvanized Galvanized Pipe A53 Q195 100g Hot Dipped or Pre-galvanized Pipe:
• High manufacturing accuracy with standard
• High strength and stable
• Good visual effect
• Reasonable price
• Small inertia resistance
• Strong heat dissipation ability
3、Hot Dipped or Pre-galvanized Galvanized Pipe A53 Q195 100g Hot Dipped or Pre-galvanized 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 Hot Dipped or Pre-galvanized Galvanized Pipe A53 Q195 100g Hot Dipped or Pre-galvanized 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、 Hot Dipped or Pre-galvanized Galvanized Pipe A53 Q195 100g Hot Dipped or Pre-galvanized Pipe: Images：
- Q: How are steel pipes protected against electrolytic corrosion?
- Various methods can be employed to safeguard steel pipes against electrolytic corrosion. One commonly utilized approach involves the application of protective coatings on the pipe's surface. These coatings serve as a barrier, effectively preventing direct contact between the steel and the surrounding environment, which may contain moisture and other corrosive substances. Epoxy, polyethylene, and zinc are frequently employed coatings for this purpose. Another means of protection involves the utilization of sacrificial anodes. These anodes, typically fabricated from a metal that exhibits greater reactivity than steel, such as zinc or aluminum, are affixed to the steel pipes. Over time, as these anodes corrode, they willingly sacrifice themselves in order to shield the steel. This process, known as cathodic protection, is exceptionally successful in deterring electrolytic corrosion. Aside from coatings and sacrificial anodes, proper insulation and electrical isolation play a pivotal role in preventing electrolytic corrosion of steel pipes. Insulating materials, such as rubber or plastic sleeves, are employed to prevent direct contact between the pipes and other metals or electrolytes. Electrical isolation can be achieved through the use of dielectric unions or insulating flanges, which effectively obstruct the flow of electric current between different sections of the pipeline. Furthermore, regular maintenance and inspection are essential components of protecting steel pipes against electrolytic corrosion. Regular checks to assess coating integrity, anode condition, and potential electrical leakage are crucial in maintaining the ongoing efficacy of the corrosion protection system. In conclusion, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is indispensable in safeguarding steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be substantially prolonged, thereby ensuring the safety and reliability of various applications, including water distribution, oil and gas transportation, and structural support in buildings and infrastructure.
- Q: How are steel pipes recycled at the end of their life cycle?
- Steel pipes are typically recycled at the end of their life cycle through a process called steel recycling. This involves collecting the used pipes, separating them from other materials, and then melting them down to be formed into new steel products. The recycling process not only helps conserve valuable resources but also reduces the need for new steel production, making it an environmentally sustainable solution.
- Q: How are steel pipes measured and specified?
- Steel pipes are measured and specified using several key parameters. The most common ones include the outer diameter (OD), wall thickness, and length of the pipe. The outer diameter refers to the measurement of the pipe's outside surface from one end to the other. It is typically expressed in millimeters (mm) or inches (in), and it plays a critical role in determining the pipe's strength and carrying capacity. Different applications require different OD sizes, which can range from a few millimeters to several feet. The wall thickness of a steel pipe refers to the distance between its outer and inner surfaces. It is measured in millimeters or inches and is crucial for determining the pipe's durability and resistance to pressure. Thicker walls can handle higher pressure, making them suitable for applications that require transporting liquids or gases under high pressure. The length of steel pipes is generally specified in meters or feet. Standard pipe lengths are often 6 or 12 meters (20 or 40 feet), but custom lengths can be requested based on project requirements. It is important to note that longer pipes may require additional support to prevent sagging or structural issues. Apart from these primary measurements, steel pipes may also be specified based on other factors such as material grade, manufacturing standard, and surface finish. Material grade refers to the quality and composition of the steel used in the pipe, which determines its strength and corrosion resistance. Manufacturing standards, such as ASTM or API, ensure that the pipes meet specific quality and performance criteria. Surface finish specifications may include factors like galvanized coating, which provides protection against corrosion or other specific requirements based on the intended application. Overall, the measurement and specification of steel pipes involve considering the outer diameter, wall thickness, length, material grade, manufacturing standard, and surface finish. These parameters are crucial in determining the suitability of the pipe for various applications and ensuring its performance and durability in different environments.
- Q: Difference between cold rolled steel pipe and common steel pipe
- 1, from the dimension accuracy above, cold-rolled steel pipe size is good, high precision2. from the outward appearance, the surface of cold-rolled steel pipe is bright, and the surface of hot rolled steel pipe has obvious oxide skin or red rust
- Q: What is the difference between steel pipes and concrete pipes?
- Steel pipes and concrete pipes differ in terms of their material composition and physical characteristics. Steel pipes are made from steel alloys, which make them strong, durable, and resistant to corrosion. They have high tensile strength, allowing them to withstand high-pressure applications. Steel pipes are commonly used in industries such as oil and gas, plumbing, and construction. On the other hand, concrete pipes are made from a mixture of cement, aggregates, and water. They are known for their exceptional compressive strength and durability. Concrete pipes are commonly used in sewage systems, drainage systems, and culverts. In terms of installation, steel pipes are lightweight and easy to handle, making them more convenient to transport and install. Concrete pipes, on the other hand, are heavier and require specialized equipment for installation. Additionally, steel pipes have a smooth internal surface, which allows for efficient flow of fluids or gases. Concrete pipes, however, have a rougher internal surface, which may cause more friction and result in reduced flow rates. Overall, the choice between steel pipes and concrete pipes depends on the specific requirements of the project, including factors such as application, budget, and durability needs.
- Q: How do you calculate the pressure drop in a steel pipe?
- To calculate the pressure drop in a steel pipe, you need to consider several factors such as the diameter and length of the pipe, the flow rate of the fluid, and the properties of the fluid itself. One commonly used equation to calculate the pressure drop in a pipe is the Darcy-Weisbach equation, which is given as: ΔP = (f * (L / D) * (ρ * V^2)) / (2 * D) Where: ΔP is the pressure drop in the pipe f is the Darcy friction factor, which depends on the pipe roughness and Reynolds number L is the length of the pipe D is the diameter of the pipe ρ is the density of the fluid V is the velocity of the fluid To calculate the Darcy friction factor, you can use different methods depending on the flow regime. For laminar flow, you can use the formula f = 16 / Re, where Re is the Reynolds number. For turbulent flow, there are several methods to determine the friction factor, such as the Colebrook equation or the Moody chart. It is important to note that the properties of the fluid, such as its viscosity and density, may vary with temperature and pressure. Therefore, it is necessary to consider these variations when calculating the pressure drop. Additionally, it is worth mentioning that there are other factors that can affect the pressure drop in a steel pipe, such as fittings, valves, and elbows. These factors introduce additional losses, which can be accounted for by using appropriate correction factors or by directly measuring the pressure drop across these components. Overall, calculating the pressure drop in a steel pipe involves using the appropriate equations, considering the properties of the fluid, and accounting for the various factors that may affect the flow. It is recommended to consult relevant engineering handbooks or utilize specialized software for accurate calculations.
- Q: How are steel pipes classified based on their end connections?
- Steel pipes can be classified based on their end connections into threaded, socket weld, butt weld, and flanged connections.
- Q: How do steel pipes handle water hammer?
- Steel pipes handle water hammer by absorbing and dissipating the energy caused by sudden changes in water flow or pressure. The strong and rigid nature of steel pipes allows them to withstand the impact of water hammer without deforming or breaking. Additionally, the smooth interior surface of steel pipes minimizes turbulence and reduces the likelihood of water hammer occurring.
- Q: How are steel pipes used in oil refineries?
- Steel pipes are used in oil refineries for various purposes such as transporting crude oil, refined petroleum products, and other chemicals throughout the facility. They are crucial for the overall infrastructure, including piping networks, storage tanks, and processing units, ensuring efficient and safe fluid flow.
- Q: What are the safety precautions to follow when working with steel pipes?
- When working with steel pipes, it is important to follow several safety precautions to ensure the well-being of yourself and those around you. These precautions include: 1. Personal Protective Equipment (PPE): Always wear the appropriate PPE when working with steel pipes. This includes safety glasses, gloves, steel-toed boots, and a hard hat. PPE helps protect you from potential hazards such as flying debris, falling objects, and sharp edges. 2. Proper Lifting Techniques: Steel pipes can be heavy and awkward to handle. Always use proper lifting techniques to avoid strain or injury. Bend your knees, keep your back straight, and use your legs to lift the pipes. If a pipe is too heavy to lift on your own, ask for assistance or use mechanical lifting equipment. 3. Secure Working Area: Ensure that the work area is clean, organized, and free from tripping hazards. Keep the floor clear of tools, debris, and other obstructions that may cause accidents. Additionally, barricade or cordon off the work area to prevent unauthorized access and ensure the safety of others. 4. Use Proper Tools and Equipment: Use the right tools and equipment for the job. This includes using wrenches, pipe cutters, and clamps designed specifically for steel pipes. Using improper tools can lead to accidents, damage to the pipes, or faulty connections. 5. Proper Storage: Store steel pipes in a secure and organized manner to prevent them from falling or rolling onto someone. Stack the pipes in a stable position, and use racks or supports to ensure they are not at risk of toppling over. 6. Secure Connections: When joining steel pipes, ensure that the connections are properly secured. This includes using appropriate fittings, tight fasteners, and following the recommended torque specifications. Loose or improperly secured connections can result in leaks, bursts, or other failures. 7. Proper Ventilation: If working in an enclosed space, ensure adequate ventilation to prevent the buildup of harmful gases or fumes. Welding or cutting steel pipes can release hazardous gases, so make sure the area is properly ventilated or use respiratory protection if necessary. 8. Fire Safety: Steel pipes can become extremely hot during welding or cutting processes. Have fire extinguishers readily available and know how to use them. Clear any flammable materials from the work area and be cautious of sparks or open flames. 9. Regular Inspections: Regularly inspect steel pipes for signs of damage, such as cracks, rust, or degradation. Replace any damaged or compromised pipes to avoid potential failures or accidents. By following these safety precautions, you can minimize the risks associated with working with steel pipes and ensure a safe working environment. Remember, safety should always be the top priority.
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Hot Dipped or Pre-galvanized Galvanized Pipe A53 Q195 100g Hot Dipped
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 45 m.t.
- Supply Capability:
- 7000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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