Galvanized welded steel pipe for metallurgical machinery
- Ref Price:
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- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 12000 m.t./month
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Specification
1、Structure of Galvanized welded steel pipe for metallurgical machinery :
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 metallurgical machinery :
• High manufacturing accuracy
• High strength
• Good visual effect
• Reasonable price
3、 Galvanized welded steel pipe for metallurgical machinery 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 of our clients!
4) Surface: 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 Galvanized welded steel pipe for metallurgical machinery :
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、 Galvanized welded steel pipe for metallurgical machinery Images：
- Q: How are steel pipes protected against electrolytic corrosion?
- Steel pipes are protected against electrolytic corrosion through a variety of methods. One common method is the application of protective coatings on the surface of the pipes. These coatings act as a barrier, preventing direct contact between the steel and the surrounding environment, which includes moisture and other corrosive substances. Coatings such as epoxy, polyethylene, and zinc are commonly used for this purpose. Another method of protection is the use of sacrificial anodes. Sacrificial anodes are made from a metal that is more reactive than steel, such as zinc or aluminum. These anodes are attached to the steel pipes and, as they corrode over time, they sacrifice themselves to protect the steel. This process is known as cathodic protection and is highly effective in preventing electrolytic corrosion. In addition to coatings and sacrificial anodes, proper insulation and electrical isolation are crucial in protecting steel pipes from electrolytic corrosion. Insulating materials, such as rubber or plastic sleeves, are used 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 prevent the flow of electric current between different sections of the pipeline. Regular maintenance and inspection also play a key role in protecting steel pipes against electrolytic corrosion. Periodic checks for coating integrity, anode condition, and potential electrical leakage are essential to ensure the continued effectiveness of the corrosion protection system. Overall, a combination of protective coatings, sacrificial anodes, insulation, electrical isolation, and regular maintenance is necessary to protect steel pipes against electrolytic corrosion. By implementing these measures, the lifespan of steel pipes can be significantly extended, ensuring the safety and reliability of various applications such as water distribution, oil and gas transportation, and structural support in buildings and infrastructure.
- Q: What is the cost of steel pipes compared to other pipe materials?
- The cost of steel pipes is typically higher compared to other pipe materials such as PVC or copper.
- Q: How to perform nondestructive inspection of steel tubes
- Radiographic inspection (RT)One of the earliest nondestructive testing methods is widely used in the inspection of internal defects of metals and non-metallic materials and products, with a history of at least 50 years. It has incomparable unique advantages, that is to test the correctness, reliability and intuition of the defects, and the ray film can be used for the analysis of defects and as a quality certificate archive. But this method also has the disadvantages of more complicated equipment and higher cost, and should pay attention to the protection of radiation.
- Q: How are steel pipes used in the manufacturing of pressure vessels?
- Steel pipes are commonly used in the manufacturing of pressure vessels due to their high strength and ability to withstand high pressure. These pipes are utilized as the primary material for constructing the shell of the pressure vessel, providing a robust and reliable structure. Additionally, steel pipes offer excellent resistance to corrosion, making them suitable for various industries and applications where pressure vessels are required, such as oil and gas, chemical processing, and power generation.
- Q: How are steel pipes protected against seismic activities?
- Steel pipes are protected against seismic activities through various measures such as designing them to be flexible and resilient, using seismic joints and hangers, and implementing proper anchoring and support systems. Additionally, steel pipes are often coated with protective materials to enhance their resistance to corrosion and other external factors that may be triggered by seismic events.
- Q: What are the different grades of steel used for pipes?
- There are several different grades of steel used for pipes, each with their own specific properties and applications. Some of the most commonly used grades include: 1. Carbon Steel: This is the most common type of steel used for pipes and is typically used in low-pressure applications. It has a low carbon content, usually less than 0.30%, which makes it easy to weld and form. Carbon steel pipes are durable and cost-effective, making them suitable for a wide range of industries. 2. Stainless Steel: Stainless steel pipes are known for their corrosion resistance and high strength. They are made from an alloy of iron and chromium, with additional elements like nickel and molybdenum to enhance their properties. Stainless steel pipes are commonly used in industries such as chemical, food processing, and oil and gas, where corrosion resistance is crucial. 3. Alloy Steel: Alloy steel pipes are made by adding elements such as manganese, chromium, or nickel to carbon steel. This enhances their strength, hardness, and resistance to wear, making them suitable for high-pressure and high-temperature applications. Alloy steel pipes are commonly used in industries such as power generation, petrochemical, and aerospace. 4. Duplex Steel: Duplex steel is a type of stainless steel that contains a combination of austenite and ferrite phases. This results in a material with excellent strength, corrosion resistance, and toughness. Duplex steel pipes are commonly used in offshore oil and gas platforms, as well as in chemical and petrochemical industries. 5. Low-Temperature Steel: Low-temperature steel is designed to withstand extremely cold temperatures without becoming brittle. These pipes are typically used in industries such as cryogenic storage, LNG (liquefied natural gas) transportation, and refrigeration. It is important to select the appropriate grade of steel for a specific application to ensure the pipe's performance and longevity. Factors such as temperature, pressure, corrosion resistance, and cost should be considered when choosing the grade of steel for pipes.
- Q: How are steel pipes insulated for thermal efficiency?
- Steel pipes are insulated for thermal efficiency using various methods such as applying insulation materials like fiberglass, mineral wool, or foam to the surface of the pipes. This insulation helps to prevent heat loss or gain, thereby improving the energy efficiency of the pipes. Additionally, protective outer layers such as aluminum or PVC jackets are often added for extra insulation and to provide resistance against moisture and external elements.
- Q: Can steel pipes be used for fencing or railing?
- Yes, steel pipes can definitely be used for fencing or railing purposes. Steel pipes are known for their durability, strength, and resistance to corrosion, making them a popular choice for construction projects like fencing and railings. They provide a sturdy and long-lasting solution for securing properties or creating barriers, while also offering an aesthetically pleasing and modern look.
- Q: There are multiple welded galvanized steel pipe outer diameter 108mm wall thickness 4mm length of 6 meters
- Formula for calculating weight of welded steel pipe:Kg/m= (outside diameter mm-, wall thickness mm) * wall thickness mm*0.02466= (108-4) *4*0.02466=10.26 kg / MBecause of galvanizing, the weight is heavier than that of ordinary welded pipe 3%~6%.Therefore, the length of 6 meters galvanized steel pipe weighs about 10.26*6*1.06=65 kilograms
- Q: Can steel pipes be used for underground water wells?
- Indeed, underground water wells can utilize steel pipes. The selection of steel pipes is frequently based on their robustness and resilience, rendering them apt for enduring the exerted force and load of the encompassing soil and water. They are extensively employed in residential and industrial settings for the purpose of drilling and constructing water wells. Nevertheless, it is crucial to take into account specific factors including the steel's type and quality, along with the existence of corrosive components in the water, in order to ensure the durability and dependability of the well system. Moreover, adequate insulation and coating might prove necessary to avert corrosion and contamination of the subterranean water source.
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Galvanized welded steel pipe for metallurgical machinery
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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