Galvanized pipe/galvanized hollow section
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
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1、Structure of Galvanized hollow section DIN-A21:
Galvanized hollow section DIN-A21 is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. we can provide you best service as we can, and we sure that we can give you satisfy sprice.
2、Main Features of the Galvanized hollow section DIN-A21: :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Galvanized hollow section DIN-A21 Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, 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 Galvanized hollow section DIN-A21:
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 hollow section DIN-A21 Images：
- Q: What are the safety regulations for working with steel pipes?
- The safety regulations for working with steel pipes may vary depending on the specific circumstances and location, but some common safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots, ensuring proper handling techniques to prevent injuries, using proper lifting equipment to prevent strain or back injuries, implementing proper ventilation and respiratory protection when working in confined or poorly ventilated spaces, and following proper procedures for welding, cutting, or bending steel pipes to minimize the risk of fire or explosions. It is essential to consult and adhere to local safety regulations and guidelines to ensure a safe working environment when dealing with steel pipes.
- Q: Can steel pipes be used for gas distribution?
- Yes, steel pipes can be used for gas distribution. Steel pipes are commonly used in gas distribution systems due to their durability, strength, and resistance to corrosion. They can handle high-pressure gas transmission and are suitable for both underground and aboveground installations. However, certain safety regulations and standards must be followed to ensure the proper installation and maintenance of steel pipes for gas distribution.
- Q: What is the difference between internal and external coating of steel pipes?
- The main difference between internal and external coating of steel pipes lies in the purpose and location of the coatings. The internal coating is applied on the inner surface of the steel pipe to protect it from corrosion and ensure smooth flow of the contents within the pipe. It is commonly used to prevent contamination of the transported liquid or gas and to extend the lifespan of the pipe. On the other hand, the external coating is applied on the outer surface of the steel pipe to protect it from environmental factors such as moisture, chemicals, and physical damage. It helps to prevent corrosion and maintain the structural integrity of the pipe, especially in harsh conditions. Overall, while the internal coating focuses on the functionality and preservation of the transported contents, the external coating primarily aims at safeguarding the pipe itself from external influences.
- Q: How are steel pipes coated to prevent corrosion?
- Steel pipes are coated to prevent corrosion using various methods and materials. One common method is applying a protective layer of paint or epoxy on the surface of the pipe. This coating acts as a barrier between the steel and the external environment, preventing moisture and corrosive substances from coming into direct contact with the metal. Another technique involves using a process called galvanization, where the steel pipes are coated with a layer of zinc. Zinc is highly resistant to corrosion and acts as a sacrificial anode, meaning it will corrode in place of the steel if any damage occurs to the coating. This sacrificial protection ensures that the steel remains intact and corrosion-free. Additionally, steel pipes can be coated with polyethylene or polypropylene materials through a process called fusion bonding. In this method, the plastic material is melted onto the steel surface, creating a strong bond that provides excellent resistance against corrosion. This type of coating is commonly used in offshore and underground pipelines. Furthermore, another technique for preventing corrosion is the application of a layer of corrosion-resistant alloy onto the steel pipe. This alloy is typically a combination of metals such as nickel, chromium, and molybdenum, which provide superior protection against corrosion in harsh environments. Overall, the choice of coating method depends on various factors such as the operating conditions, the type of corrosive substances present, and the expected lifespan of the steel pipes. By effectively applying these coatings, steel pipes can be safeguarded against corrosion, extending their durability and ensuring the integrity of the infrastructure they are used in.
- Q: What is the pressure rating of steel pipes?
- The pressure rating of steel pipes varies depending on the specific grade and size of the pipe. However, steel pipes are known for their high strength and durability, allowing them to withstand high-pressure applications.
- Q: What are the different methods of pipe threading for steel pipes?
- The different methods of pipe threading for steel pipes include manual threading, machine threading, and electric threading. Manual threading involves using a handheld die or tap to create the threads on the pipe. Machine threading utilizes power-driven machines that can thread multiple pipes simultaneously, offering efficiency and accuracy. Electric threading is similar to machine threading, but it uses an electric motor to drive the threading process.
- Q: How are steel pipes used in the renewable energy sector?
- Steel pipes are commonly used in the renewable energy sector for various purposes. They are used in the construction of wind turbine towers, providing support and stability to the turbines. Steel pipes are also used in the transportation of natural gas, which is considered a cleaner alternative to fossil fuels. Moreover, steel pipes are used in the construction of solar power plants, where they are utilized for the distribution of water and other fluids necessary for the cooling systems. Overall, steel pipes play a crucial role in the renewable energy sector, contributing to the development and efficiency of sustainable energy sources.
- Q: What is the maximum pressure that steel pipes can withstand?
- The maximum pressure that steel pipes can withstand varies depending on factors such as the steel grade, pipe dimensions, and wall thickness. However, steel pipes are known for their high strength and durability, allowing them to withstand pressures ranging from a few hundred to several thousand pounds per square inch (psi).
- Q: How are steel pipes insulated?
- Steel pipes are typically insulated using various methods such as applying insulation materials like fiberglass, mineral wool, or foam directly onto the surface of the pipes. This insulation helps to prevent heat loss, control condensation, and protect against corrosion. Additionally, some pipes may also be wrapped with reflective foil or jacketed with a protective covering to enhance insulation efficiency and durability.
- Q: Can steel pipes be used for industrial ventilation systems?
- Yes, steel pipes can be used for industrial ventilation systems. They are commonly used due to their durability, resistance to corrosion, and ability to withstand high temperatures. Steel pipes are also strong and can handle the pressure required for efficient airflow in industrial environments.
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Galvanized pipe/galvanized hollow section
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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