• Galvanized welded steel pipe for construction machinery System 1
  • Galvanized welded steel pipe for construction machinery System 2
Galvanized welded steel pipe for construction machinery

Galvanized welded steel pipe for construction machinery

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
20 m.t.
Supply Capability:
12000 m.t./month

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Specification

Standard:
GB,BS
Technique:
Hot Rolled,ERW
Shape:
Square,Round,Rectangular
Surface Treatment:
Galvanized
Steel Grade:
Q215,Q235,Q235B
Thickness:
5
Length:
12
Net Weight:
2

1Structure of  Galvanized welded steel pipe for construction 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.

 

2‍‍Main Features of  Galvanized welded steel pipe for construction machinery

:

 

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price 

 

3 Galvanized welded steel pipe for construction 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. 

 

 

4Packaging & Delivery

Packaging Details:

seaworthy package,bundles wrapped with strong steel strip

Delivery Detail:

15-30days after received 30%TT

 

5FAQ of  Galvanized welded steel pipe for construction machinery

:

How 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.

How 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.

Why 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 construction machinery Images ‍‍

 

Galvanized welded steel pipe for construction machinery

Galvanized welded steel pipe for construction machinery

 

 

Q: What is the difference between carbon steel pipes and stainless steel pipes?
The main difference between carbon steel pipes and stainless steel pipes lies in their composition. Carbon steel pipes are primarily made of iron and carbon, while stainless steel pipes contain iron, carbon, and a minimum of 10.5% chromium. This high chromium content in stainless steel pipes provides excellent corrosion resistance, making them suitable for various applications in industries like food processing, chemical, and oil & gas. On the other hand, carbon steel pipes are more cost-effective and have higher strength than stainless steel pipes, but they are more susceptible to corrosion and thus require regular maintenance and coating for protection.
Q: Can steel pipes be used for underground stormwater drainage?
Yes, steel pipes can be used for underground stormwater drainage. Steel pipes are durable and have a high strength-to-weight ratio, making them suitable for underground applications. They can withstand heavy loads and resist corrosion, ensuring long-term performance in stormwater drainage systems. Additionally, steel pipes can be easily welded, allowing for customization and flexibility in the design and installation process. However, it is important to ensure proper corrosion protection, such as applying a protective coating or using corrosion-resistant alloys, to prevent degradation over time. Regular maintenance and monitoring are also recommended to ensure the pipes remain in good condition and continue to effectively drain stormwater.
Q: How do steel pipes compare to other materials in terms of cost?
Steel pipes are generally more cost-effective compared to other materials due to their durability and longevity. While the initial investment may be higher, their lower maintenance and replacement costs make them a more economical choice in the long run. Additionally, steel pipes can withstand harsh environmental conditions and are less prone to corrosion, reducing the need for frequent repairs or replacements.
Q: How does the price of steel pipes vary based on size and grade?
The price of steel pipes varies based on their size and grade. Generally, larger pipes tend to have higher prices due to the increased amount of materials and manufacturing processes involved. Additionally, the grade of steel used in the pipes also affects the price, with higher-grade steel pipes being more expensive. This is because higher-grade steel offers better strength, durability, and corrosion resistance, making it suitable for specialized applications. Therefore, the price of steel pipes increases as both the size and grade increase.
Q: How are steel pipes graded?
Steel pipes are graded based on several factors to determine their quality and suitability for specific applications. The grading system for steel pipes typically includes parameters such as the chemical composition, mechanical properties, manufacturing method, and testing standards. 1. Chemical composition: Steel pipes are graded based on the elements present in their composition. This includes the amount of carbon, manganese, phosphorus, sulfur, and other alloying elements. The chemical composition greatly influences the pipe's strength, corrosion resistance, and other properties. 2. Mechanical properties: The mechanical properties of steel pipes are crucial for determining their strength, flexibility, and resistance to pressure and temperature. These properties include tensile strength, yield strength, elongation, hardness, and impact toughness. Pipes with higher mechanical properties are generally graded higher. 3. Manufacturing method: Steel pipes can be manufactured using various methods, such as seamless, welded, or ERW (Electric Resistance Welding). The manufacturing method affects the pipe's integrity, dimensional accuracy, and overall quality. Seamless pipes, for example, are considered to have higher quality due to their uniformity and absence of weld seams. 4. Testing standards: Steel pipes are graded based on their adherence to specific testing standards. These standards ensure that the pipes meet the required quality criteria and are suitable for their intended applications. Common testing standards include ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and EN (European Norms). Based on these factors, steel pipes are often graded using alphanumeric codes or specifications. For instance, pipes used in oil and gas industry may be graded as API 5L (American Petroleum Institute) or pipes used for structural purposes may be graded as ASTM A500 (American Society for Testing and Materials). In conclusion, steel pipes are graded based on their chemical composition, mechanical properties, manufacturing method, and adherence to testing standards. These grades help customers and manufacturers in selecting the appropriate pipes for specific applications, ensuring safety, durability, and efficiency in various industries.
Q: What are the different methods of pipe threading for steel pipes?
There are three main methods of pipe threading for steel pipes: manual threading, machine threading, and roll grooving. Manual threading involves using a handheld threader to create threads on the pipe. Machine threading is done using a power-driven threading machine that automates the threading process. Roll grooving is another method where grooves are formed on the pipe by using a specialized machine, which allows for the connection of pipes using mechanical couplings. Each method has its advantages and is chosen based on the specific requirements and preferences of the project.
Q: How are steel pipes repaired in case of damage or leaks?
Steel pipes can be repaired in case of damage or leaks through various methods. One common approach is to use a process called welding. Welding involves melting a filler material together with the damaged or leaking area of the pipe, creating a strong bond that seals the leak. This method is effective for small to moderate-sized leaks and is widely used in industries such as oil and gas, plumbing, and construction. Another method is to use mechanical couplings. These couplings are designed to join two sections of pipe together, providing a tight and secure connection. They can be used to repair damaged or leaking sections of a steel pipe by cutting out the damaged area and replacing it with a new section, which is then connected using the mechanical coupling. This method is particularly useful for larger leaks or damaged sections that cannot be repaired through welding. In some cases, a temporary fix may be applied using pipe clamps or epoxy compounds. Pipe clamps are used to tightly seal the damaged area, preventing further leakage. Epoxy compounds, on the other hand, are applied directly to the damaged or leaking area, creating a seal that temporarily stops the leak until a more permanent repair can be made. It is important to note that the method of repair will depend on the severity and location of the damage or leak, as well as the specific requirements of the application. In some instances, it may be necessary to replace the entire section of the steel pipe if the damage is extensive or if multiple leaks are present. Consulting with a professional or a specialized pipe repair service is recommended to determine the most appropriate repair method for a specific situation.
Q: How are steel pipes protected during transportation?
Steel pipes are protected during transportation through a variety of measures to ensure their safety and integrity. One common method is the use of protective coatings on the exterior of the pipes. These coatings, such as epoxy or polyethylene, serve as a barrier against external factors like moisture, corrosion, and physical damage. Additionally, the pipes are often bundled together and secured with strapping or bands to prevent movement and potential collisions during transit. In some cases, pipes may also be placed within wooden crates or containers for added protection against impact and handling. Furthermore, careful loading and unloading procedures are followed to minimize any stress or strain on the pipes. By implementing these protective measures, steel pipes can safely reach their destination without compromising their quality or structural integrity.
Q: How are steel pipes used in the manufacturing of desalination plants?
Steel pipes are used in the manufacturing of desalination plants for various purposes, such as transporting seawater, brine, and freshwater through different stages of the desalination process. They are also used for the construction of pipelines, intake systems, and discharge outlets, ensuring durability, corrosion resistance, and efficient water flow in these critical systems.
Q: What are the advantages of using steel pipes over other materials like PVC or copper?
There are several advantages of using steel pipes over other materials like PVC or copper. Firstly, steel pipes are incredibly durable and can withstand high pressure and extreme temperatures, making them suitable for various industrial applications. They are also resistant to corrosion, ensuring a longer lifespan compared to PVC or copper pipes. Additionally, steel pipes have excellent structural strength, providing enhanced stability and safety. They are also environmentally friendly as they can be recycled, reducing their impact on the environment. Overall, steel pipes offer superior strength, longevity, and reliability, making them a preferred choice for many industries.

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