• Galvanized pipe/galvanized hollow section System 1
  • Galvanized pipe/galvanized hollow section System 2
  • Galvanized pipe/galvanized hollow section System 3
  • Galvanized pipe/galvanized hollow section System 4
Galvanized pipe/galvanized hollow section

Galvanized pipe/galvanized hollow section

Ref Price:
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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 different types of hangers used for supporting steel pipes?
There are several different types of hangers used for supporting steel pipes, including clevis hangers, riser clamps, U-bolts, beam clamps, and pipe rollers. Clevis hangers have a clevis-shaped bracket that attaches to the pipe and can be suspended from a beam or threaded rod. Riser clamps are used to support vertical pipes and are typically attached to a wall or structural member. U-bolts are used to secure pipes to beams or other structural elements. Beam clamps are designed to attach to overhead beams and provide support for the pipe. Pipe rollers are used to support pipes on horizontal surfaces and allow for easy movement or rotation.
Q: Can steel pipes be used for conveyor systems?
Yes, steel pipes can be used for conveyor systems. Steel pipes are often used as structural components in conveyor systems due to their strength, durability, and resistance to corrosion. They can effectively support heavy loads and provide a reliable means of transporting materials in various industries.
Q: What is the diameter of the steel tube DN20?
Pipe installation without conversion, because in the same standard in the same diameter connecting dimensions of the same nominal pressure level of the same, and the same material have the same diameter, the nominal diameter of the purpose is to facilitate connectivity
Q: Can steel pipes be coated for additional protection?
Yes, steel pipes can be coated for additional protection. Coatings such as epoxy, polyethylene, or zinc can be applied to steel pipes to enhance their durability, corrosion resistance, and longevity.
Q: Can steel pipes be used for conveying sewage sludge?
Indeed, sewage sludge can be conveyed using steel pipes. Steel pipes possess several properties that render them suitable for this purpose. Firstly, their strength and durability enable them to endure the pressure and weight of sewage sludge without collapsing or fracturing. This is of utmost importance as sewage sludge can be quite heavy and may contain solids that could exert stress on the pipes. Secondly, steel pipes exhibit resistance to corrosion, which is crucial when conveying sewage sludge that frequently contains corrosive components. By utilizing corrosion-resistant steel pipes, one can ensure a prolonged lifespan and minimize the risk of leaks or damage. Moreover, steel pipes can be manufactured in various sizes and diameters, granting flexibility in the design of sewage systems to meet specific requirements. Nonetheless, it is vital to emphasize the necessity of proper maintenance and regular cleaning to prevent sludge buildup and maintain the pipes' efficiency.
Q: What is the difference between steel pipes and HDPE pipes?
Steel pipes and HDPE pipes are both commonly used for various applications, but they differ in their composition and characteristics. Steel pipes are made from a combination of iron and carbon, offering high strength, durability, and resistance to extreme temperatures and pressure. They are commonly used in industries like oil and gas, construction, and plumbing. On the other hand, HDPE pipes are made from high-density polyethylene, a thermoplastic material known for its flexibility, corrosion resistance, and lightweight nature. HDPE pipes are often used in water supply and drainage systems, as well as for underground and aboveground applications. Ultimately, the choice between steel pipes and HDPE pipes depends on the specific requirements of the project, including factors such as cost, application, and environmental conditions.
Q: Can steel pipes be used for irrigation pivot systems?
Yes, steel pipes can be used for irrigation pivot systems. Steel pipes are often used in irrigation systems due to their strength, durability, and resistance to corrosion. They can withstand the pressure and stress of the water flow in pivot systems and are less prone to leaks or cracks compared to other materials. Additionally, steel pipes can be easily welded or threaded together, making them a convenient choice for irrigation systems that require a variety of lengths and configurations. However, it is important to consider the specific requirements of the irrigation pivot system and consult with professionals to ensure that the chosen steel pipes are suitable for the specific application.
Q: What is the difference between hot-dipped galvanized and electro-galvanized steel pipes?
Both hot-dipped galvanized and electro-galvanized steel pipes undergo a galvanization process to protect them from corrosion. However, there are distinct differences between the two methods. Hot-dipped galvanized steel pipes are immersed in molten zinc, resulting in a thick zinc coating on the steel's surface. This creates a durable and long-lasting barrier against corrosion. The thickness of the zinc coating varies, but it is generally thicker than that of electro-galvanized steel pipes. In contrast, electro-galvanized steel pipes are coated with a thin layer of zinc through an electroplating process. This involves passing an electric current through the pipes while they are submerged in a zinc solution. The zinc particles are then deposited onto the steel's surface, creating a thin and uniform protective layer. One key difference is the thickness of the zinc coating. Hot-dipped galvanized steel pipes have a thicker and more robust coating, making them suitable for harsh environments or exposure to corrosive materials. Another distinction is the appearance of the pipes. Hot-dipped galvanized steel pipes typically have a dull grayish finish, while electro-galvanized steel pipes have a smoother and more polished look. In terms of cost, electro-galvanized steel pipes are generally more economical because the electroplating process requires less labor and zinc. Ultimately, the choice between hot-dipped galvanized and electro-galvanized steel pipes depends on the specific application and desired level of corrosion resistance. Hot-dipped galvanized steel pipes are typically used in demanding environments, while electro-galvanized steel pipes are suitable for less corrosive applications where cost-efficiency is important.
Q: Can steel pipes be used for water supply networks?
Yes, steel pipes can be used for water supply networks. They are commonly used for water distribution due to their durability, strength, and corrosion resistance. However, proper coating and maintenance are essential to prevent rusting and ensure the longevity of the steel pipes in water supply systems.
Q: Can steel pipes be used for underground drainage?
Yes, steel pipes can be used for underground drainage. Steel pipes are commonly used in underground drainage systems due to their durability, strength, and resistance to various environmental factors. They are able to withstand heavy loads, pressures, and corrosion, making them suitable for long-term underground drainage applications.

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