Steel Pipe -- Welding Steel Tube Factory

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
25 m.t.
Supply Capability:
8000 m.t./month
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1、Structure of Steel Pipe -- Welding Steel Tube Factory

Welded Steel Pipe is to be used for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.

 

2、‍‍Main Features of Steel Pipe -- Welding Steel Tube Factory

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price 

 

3、Steel Pipe -- Welding Steel Tube Factory: 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 Steel Pipe -- Welding Steel Tube Factory

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、‍‍Steel Pipe -- Welding Steel Tube Factory: Images: ‍‍

 

 Steel Pipe -- Welding Steel Tube Factory

Q:What does cathodic protection of steel tubes mean?
There are two ways of cathodic protection: sacrificial anode, cathodic protection and impressed current cathodic protection.Sacrificial anode: connect a living metal or alloy to a protective metal to form a galvanic cell. The active metal replaces the protected metal to lose electrons so that the protected metal is not corroded.
Q:
Indeed, the utilization of steel pipes extends to the conveyance of both liquids and gases. These pipes find widespread application across a multitude of industries, including oil and gas, water supply, plumbing, and industrial processes. Their commendable attributes encompass robustness, longevity, and resistance to corrosion. Consequently, steel pipes possess the capacity to withstand elevated pressure and temperature, rendering them ideal for the transportation of an extensive array of liquids and gases such as water, oil, natural gas, steam, and chemicals. Furthermore, the convenience of welding or threading steel pipes together facilitates effortless installation and maintenance procedures.
Q:What place must use galvanized steel pipe to make lighting line?
Zinc plating has the advantages of uniform coating, strong adhesion, long service life and so on. The plating solution of galvanized steel matrix and melting the occurrence of complex physical and chemical reaction, the formation of the structure corrosion resistance of Zn Fe alloy layer closely. The alloy layer is integrated with the pure zinc layer and the steel pipe matrix. Therefore, corrosion resistance, submit amendmentsTherefore, under the water or the environment is more humid, it is recommended to use galvanized steel pipe to make the lighting pipe.
Q:
To protect steel pipes from fire, there are several measures that can be taken. One commonly used method is to apply fire-resistant coatings or paints to the surface of the pipes. These coatings or paints are designed to withstand high temperatures and provide a barrier that prevents the heat from reaching the steel. Another effective way to protect steel pipes from fire is to wrap them with fire-resistant insulation materials. These materials act as a buffer, reducing the heat transfer and slowing down the spread of fire. Insulation materials such as mineral wool or ceramic fiber blankets are commonly used for this purpose. In addition, it is important to ensure that the steel pipes are properly installed and supported. This includes maintaining proper clearance from other flammable materials and avoiding overcrowding or obstructions that could impede the flow of air around the pipes. Adequate spacing between pipes is also crucial to prevent the transfer of heat from one pipe to another. Furthermore, it is recommended to incorporate firestop systems when steel pipes pass through fire-rated walls or floors. Firestop systems consist of fire-resistant materials and seals that prevent the spread of fire and smoke through openings or penetrations in fire-rated barriers. Regular maintenance and inspections are essential to ensure the ongoing effectiveness of the fire protection measures. Any damage or deterioration of the coatings, insulation, or firestop systems should be promptly repaired or replaced to maintain the fire resistance of the steel pipes. Overall, a combination of fire-resistant coatings, insulation, proper installation, and maintenance practices are crucial in protecting steel pipes from fire hazards. These measures help to minimize the risk of fire-related damage and ensure the safety of both the pipes and the surrounding environment.
Q:
The main difference between black and galvanized steel pipes lies in their protective coating. Black steel pipes are not coated, making them more susceptible to corrosion, while galvanized steel pipes are coated with a layer of zinc to prevent rusting and increase longevity.
Q:
Steel pipes are commonly used in tunnel construction for various purposes. They are used to provide structural support by acting as reinforcements or casings for the tunnel walls. Steel pipes also serve as conduits for utilities such as water, gas, and electricity within the tunnel. Additionally, they can be used for ventilation and drainage systems, ensuring a safe and functional environment inside the tunnel. Overall, steel pipes play a crucial role in the construction and functionality of tunnels.
Q:
Steel pipes are widely used in the manufacturing of machinery and equipment due to their numerous beneficial properties. These pipes are primarily used for conveying various materials, fluids, and gases within the machinery, providing a safe and efficient means of transportation. One of the key uses of steel pipes in machinery manufacturing is in the process of hydraulic and pneumatic systems. Hydraulic systems rely on steel pipes to transmit power and control fluid flow, while pneumatic systems use these pipes to convey compressed air to power various components. The strength and durability of steel pipes ensure that they can withstand the high pressure and forces exerted by these systems, making them a reliable choice for such applications. Additionally, steel pipes are used in the construction of machinery frames and structures. Their high tensile strength and resistance to corrosion make them ideal for providing structural support and stability to heavy machinery. These pipes can be easily welded, bent, and fabricated into various shapes, allowing for flexibility in design and enabling the creation of complex machinery structures. Furthermore, steel pipes play a vital role in the transportation of raw materials and finished products within the manufacturing process. They are commonly used as conduits for the movement of liquids, gases, and granular materials, facilitating the smooth operation of machinery and equipment. Steel pipes are particularly suitable for handling abrasive and corrosive materials, as their robust construction ensures minimal wear and tear over time. In summary, steel pipes are extensively used in the manufacturing of machinery and equipment due to their strength, durability, and versatility. Whether it is for hydraulic systems, structural support, or material transportation, steel pipes are an integral component that contributes to the efficiency and reliability of machinery in various industries.
Q:
Steel pipe and ductile iron pipe are commonly utilized in various industries to transport fluids and gases. Nevertheless, there exist notable distinctions between the two materials. One primary difference lies in their composition. Steel pipe primarily consists of iron and carbon, with additional alloying elements to enhance strength and corrosion resistance. Conversely, ductile iron pipe is a form of cast iron that has undergone treatment to improve ductility and toughness. It contains higher levels of carbon and silicon, along with small amounts of other elements like magnesium and copper. Another difference is their strength and durability. Steel pipe is renowned for its high strength, enabling it to endure greater pressures and stresses compared to ductile iron pipe. It also exhibits superior resistance to impact and bending, making it suitable for applications requiring robustness. Ductile iron pipe, although not as strong as steel, still offers good strength and durability, particularly in scenarios involving external damage or heavy loads. Corrosion resistance is another crucial factor. Steel pipe typically exhibits greater resistance to corrosion due to the inclusion of alloying elements such as chromium and nickel. This renders it well-suited for applications prone to high corrosion risks, like pipelines carrying corrosive fluids. Ductile iron pipe, while possessing some corrosion resistance, may necessitate additional protective coatings to enhance its durability in corrosive environments. Installation and maintenance also differ between these two pipe types. Steel pipe is generally lighter and more manageable, facilitating easier installation. It also allows for welding, thereby providing greater construction flexibility. Ductile iron pipe, being a cast iron material, requires more specialized installation techniques such as mechanical joints or flanges. If mishandled, it is also more prone to cracking during installation. In terms of cost, steel pipe typically incurs higher expenses compared to ductile iron pipe. This stems from the higher cost of raw materials and the additional processing involved in steel pipe production. However, it is crucial to consider the overall lifecycle cost, as steel pipe's increased strength and corrosion resistance may result in lower maintenance and replacement expenses in the long run. In conclusion, while both steel pipe and ductile iron pipe have their respective advantages and applications, the choice between the two depends on factors such as strength requirements, corrosion resistance, installation methods, and budget considerations. Careful assessment of these factors will aid in determining the most suitable pipe material for a specific application.
Q:
The quality control measures for steel pipe manufacturing typically include various stages of inspection and testing, starting from raw material evaluation to the final product. These measures may include checking the chemical composition and mechanical properties of the steel, conducting non-destructive testing such as ultrasonic or magnetic particle inspection, monitoring the dimensions and surface finish of the pipes, and ensuring compliance with relevant industry standards and specifications. Additionally, quality control measures may involve regular maintenance and calibration of equipment, rigorous documentation and traceability of processes, and continuous monitoring and improvement of manufacturing techniques to meet the desired quality standards.
Q:
Steel pipes are commonly used in the construction of stadiums for various purposes such as structural support, plumbing, and drainage systems. They provide strength, durability, and flexibility, making them ideal for constructing grandstands, roofs, and other large-scale structures. Additionally, steel pipes are used for installing plumbing systems to supply water for restrooms, concession stands, and irrigation. They also play a crucial role in the drainage system, allowing for efficient removal of rainwater and preventing flooding in the stadium. Overall, steel pipes are essential components in stadium construction due to their versatility and reliability.

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