• Spiral Welded Steel Pipe JIS, GB, DIN, ASTM Schedule 40 System 1
  • Spiral Welded Steel Pipe JIS, GB, DIN, ASTM Schedule 40 System 2
  • Spiral Welded Steel Pipe JIS, GB, DIN, ASTM Schedule 40 System 3
Spiral Welded Steel Pipe JIS, GB, DIN, ASTM Schedule 40

Spiral Welded Steel Pipe JIS, GB, DIN, ASTM Schedule 40

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
20 m.t.
Supply Capability:
15000 m.t./month

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Product Description:

1Structure of Welded Steel Tube: 

We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of pipe and professioanl service.Welded Steel Tube is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service. We aim to give your best service and hope to establish long-term business cooperation with  you. Good quality and speedy delivery and patient after-sale service will help you make an easy purchase.

 

2‍‍Main Features of the Welded Steel Tube:

• High manufacturing accuracy

• The higher strength

• The small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Satisfy price 

 

3Welded Steel Tube 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. 

 

4Packaging & Delivery

Packaging   Details:

seaworthy   package,bundles wrapped with strong steel strip

Delivery   Detail:

15-30days   after received 30%TT

 

5FAQ of Welded Steel Tube:  

How is the quality of your products?
    Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.

How about the price?
    Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”, if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.

Why should you choose us?
    Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.

 

6‍‍ Welded Steel Tube Images

 

 

 

 

 

 

Q: How are steel pipes used in the manufacturing of food processing machinery and equipment?
Due to their numerous advantageous properties, steel pipes are essential in the manufacturing of food processing machinery and equipment. They are widely used in the food industry for their durability, ability to withstand high temperatures and pressures, and resistance to corrosion. The primary use of steel pipes in food processing machinery is for transporting fluids and gases. These pipes are responsible for carrying water, steam, liquids, air, and gases throughout the processing plant. By utilizing steel pipes, the food industry can ensure the reliable and hygienic transfer of these substances, maintaining the quality and safety of food products. Steel pipes also play a crucial role in the design and construction of food processing equipment such as mixers, blenders, conveyors, and canning machines. These machines require pipes to facilitate the movement of ingredients, processing fluids, and cleaning agents. Steel pipes, with their high strength, can handle the heavy loads and pressures associated with food processing operations, making them an ideal choice for such applications. Another significant benefit of steel pipes in food processing machinery is their resistance to corrosion. With the use of various acidic and alkaline substances, as well as hot water and steam, corrosion can occur in other materials. However, steel pipes, especially those made from stainless steel, exhibit a high resistance to corrosion. This ensures that the machinery remains in optimal condition, prolonging its lifespan. Furthermore, the smooth internal surface of steel pipes allows for efficient and hygienic cleaning. This minimizes the accumulation of food particles and contaminants, which is crucial in the food industry. By maintaining high levels of cleanliness, the growth of bacteria can be prevented, ensuring food safety. In conclusion, steel pipes are indispensable in the manufacturing of food processing machinery and equipment. Their durability, resistance to corrosion, ability to handle high temperatures and pressures, and hygienic characteristics make them the ideal choice for transporting fluids and gases, as well as constructing various food processing equipment.
Q: What is the difference between steel pipe and ductile iron pipe?
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: D108*4 what does "D108" mean by seamless steel tubes? What does "*4" mean?
Seamless steel pipe: a pipe with a hollow cross section, used as a conduit for transporting fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
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 quota should be installed for heating seamless steel pipe?
Seamless steel pipe having a hollow cross section, used as a conduit for conveying fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials.
Q: What is the bending strength of steel pipes?
The bending strength of steel pipes refers to the ability of a steel pipe to withstand bending forces without breaking or permanently deforming. The bending strength of steel pipes can vary depending on various factors such as the type and grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are known for their high strength and durability, making them suitable for a wide range of applications. The bending strength of steel pipes is typically expressed in terms of the maximum bending moment or the maximum stress that the pipe can withstand without failure. To determine the bending strength of a steel pipe, engineers and manufacturers use various testing methods such as three-point or four-point bending tests. These tests apply a known force or moment to the pipe and measure its deflection or stress response. The bending strength of steel pipes can also be influenced by the pipe's mechanical properties, including yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which play a vital role in its bending strength. It is important to note that the bending strength can vary depending on the specific application and load conditions. For example, pipes used in structural or load-bearing applications may require higher bending strength compared to pipes used for plumbing or conveyance purposes. In summary, the bending strength of steel pipes is determined by various factors such as the type and grade of steel, diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to evaluate the bending strength of steel pipes, ensuring their suitability for different applications and load conditions.
Q: How do you calculate the pipe buoyancy for steel pipes in water?
To calculate the pipe buoyancy for steel pipes in water, you need to consider the weight of the water displaced by the submerged portion of the pipe. This can be done using Archimedes' principle, which states that the buoyant force on an object immersed in a fluid is equal to the weight of the fluid displaced by the object. First, calculate the volume of the submerged portion of the pipe. This can be done by multiplying the cross-sectional area of the pipe by the length of the submerged portion. Next, determine the density of the water in which the pipe is submerged. Typically, this value is around 1000 kg/m³ for freshwater and slightly higher for seawater. Multiply the volume of the submerged portion of the pipe by the density of the water to find the weight of the water displaced. Finally, compare the weight of the water displaced to the weight of the steel pipe. If the weight of the water displaced is greater than the weight of the pipe, the pipe will be buoyant and tend to float. If the weight of the pipe is greater, it will sink. It's important to note that other factors such as pipe design, wall thickness, and external forces acting on the pipe may also influence its buoyancy. Therefore, it's recommended to consult industry-specific guidelines or seek expert advice for accurate calculations in specific scenarios.
Q: Can steel pipes be used for high-temperature applications?
Yes, steel pipes can be used for high-temperature applications. Steel is known for its excellent strength and durability, making it suitable for handling high temperatures. However, the specific grade of steel used and the operating conditions must be considered to ensure it can withstand the desired temperature range without compromising its structural integrity.
Q: What are the different testing methods used for steel pipes?
There are various testing methods used for steel pipes, including non-destructive testing methods such as ultrasonic testing, magnetic particle testing, radiographic testing, and liquid penetrant testing. These methods help detect any defects or flaws in the pipes, ensuring their quality and integrity. Additionally, destructive testing methods such as tensile testing, impact testing, and hardness testing are also used to evaluate the mechanical properties of the steel pipes.
Q: How are steel pipes protected against electromagnetic interference?
Steel pipes can be protected against electromagnetic interference by applying a layer of insulating material around the pipes or by utilizing electromagnetic shielding techniques such as wrapping the pipes with conductive materials. Additionally, grounding the pipes and implementing proper grounding practices can help minimize the impact of electromagnetic interference.

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