China Professional Welded Steel Tube Steel Pipes manufacturer
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
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▲ Line pipe
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▲ L & M & H boiler tube
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Product Description:
1、Structure of Welded Steel Tube ASTM DIN1829:
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.
2、Main Features of the Seamless Pipe ASTM DIN1829:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Seamless Pipe ASTM DIN1829 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 |
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、images of products:
FAQ of Welded Steel Tube Steel Pipes:
①Quality
Our products are manufactured strictly according to national and internaional standard, and before delivered out we always take a test
on every pipe . If necessary we could provide our quality certifications and all kinds of testing report,.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②Price
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 us?
We can provide both low price and good quality especially we are belong to national company could provide you the best sell-after service .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
Our Advantages:
1) Fast Delivery: lot of high quality steel pipe in stock lot of factory to produce
2) Quality Assured: Strictly acc. To International standard with System ISO certification
3) Good Service: supplied professional technical guide free of charge at anytime;
4) Reasonable Price: to be better support your business;
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
Looking forward to doing the corporation with you
Any question, kindly feel free to contact us !
- Q: DN80 seamless steel tube, what is the standard thickness?
- Commonly used DN80 seamless steel pipe caliber should be 89mm*4mm.
- Q: Can steel pipes be used for wastewater disposal?
- Yes, steel pipes can be used for wastewater disposal. Steel pipes are commonly used in wastewater systems due to their durability, strength, and resistance to corrosion. They can handle the high pressure and flow rates often associated with wastewater and can effectively transport it to treatment plants or other disposal points. Additionally, steel pipes can be coated or lined with materials that provide extra protection against corrosion or chemical reactions with the wastewater, further increasing their longevity and effectiveness in wastewater disposal.
- Q: Can steel pipes be used in the oil and gas industry?
- Yes, steel pipes are commonly used in the oil and gas industry. Steel pipes are known for their strength, durability, and resistance to corrosion, making them suitable for transporting and storing various fluids and gases in the industry. These pipes can withstand high pressure and extreme temperatures, which are often encountered in oil and gas operations. Additionally, steel pipes can be easily welded together, allowing for efficient assembly and maintenance. Overall, steel pipes are a reliable and cost-effective choice for the oil and gas industry.
- Q: What is the impact of steel pipe size on flow rate and pressure?
- The size or diameter of a steel pipe has a significant impact on both flow rate and pressure. Firstly, the flow rate refers to the volume of fluid that can pass through the pipe per unit of time. A larger pipe diameter allows for a greater flow rate as there is more space for the fluid to move through. This is due to the fact that a larger cross-sectional area of the pipe offers less resistance to the flow of fluid. Therefore, increasing the size of the steel pipe will generally lead to an increase in flow rate. Secondly, the pressure within a pipe is influenced by its size. As the fluid flows through a pipe, it encounters resistance due to friction against the walls of the pipe. This resistance leads to a pressure drop along the length of the pipe. A smaller pipe diameter results in higher frictional losses, which leads to a greater pressure drop. On the other hand, a larger pipe diameter reduces frictional losses and therefore results in a lower pressure drop. Consequently, increasing the size of the steel pipe will generally lead to a decrease in pressure drop. It is important to note that while increasing the size of a steel pipe may generally result in a higher flow rate and lower pressure drop, there are other factors that can also affect these parameters. These include the fluid properties, the length and layout of the pipe, and any additional components such as valves or fittings. Therefore, it is crucial to consider all these factors and conduct proper calculations or simulations to accurately determine the impact of steel pipe size on flow rate and pressure in a specific system.
- Q: What is the maximum length of steel pipes available in the market?
- The maximum length of steel pipes available in the market can vary depending on various factors such as the type of steel, manufacturing capabilities, transportation limitations, and customer requirements. However, in general, steel pipes can be manufactured in lengths of up to 12 meters (40 feet) or even longer. It is important to note that longer lengths may be more challenging to handle and transport, and may require specialized equipment or techniques. Ultimately, the maximum length of steel pipes available in the market will be determined by the specific needs and capabilities of the industry and customers.
- Q: What are the common methods for inspecting the integrity of steel pipes?
- Common methods for inspecting the integrity of steel pipes include visual inspection, ultrasonic testing, magnetic particle testing, radiographic testing, and pressure testing.
- Q: Can steel pipes be used for geothermal systems?
- Yes, steel pipes can be used for geothermal systems. Steel pipes are commonly used in geothermal systems due to their durability, high strength, and resistance to corrosion. They can effectively handle the high temperatures and pressures associated with geothermal operations, making them a reliable choice for transporting geothermal fluids. Additionally, steel pipes are readily available and cost-effective, making them a practical option for geothermal system installations.
- Q: What are the different types of steel pipe coatings?
- There are several types of steel pipe coatings, including epoxy coatings, polyethylene coatings, polyurethane coatings, and zinc coatings. These coatings help protect the steel pipes from corrosion, increase their lifespan, and improve their performance in various environments.
- Q: Can steel pipes be used for LNG terminals?
- Yes, steel pipes can be used for LNG terminals. Steel pipes are commonly used in LNG terminals for transporting and distributing liquefied natural gas due to their strength, durability, and ability to withstand extreme temperatures and pressures. Additionally, steel pipes can be easily welded and have excellent corrosion resistance, making them suitable for the transportation and storage of LNG.
- Q: What are the different types of steel pipe nipples?
- There are several different types of steel pipe nipples that are commonly used in various applications. These types include seamless, welded, threaded, and grooved steel pipe nipples. 1. Seamless steel pipe nipples: Seamless nipples are manufactured from a solid piece of steel without any seams or joints. This type of nipple is often preferred for high-pressure or critical applications due to its superior strength and reliability. Seamless nipples can be threaded or plain-ended, depending on the specific requirements. 2. Welded steel pipe nipples: Welded nipples are made by joining two or more pieces of steel together through welding. This type of nipple is commonly used in non-critical applications where high pressure is not a concern. Welded nipples are available in both threaded and plain-ended options. 3. Threaded steel pipe nipples: Threaded nipples have external threads at one or both ends, allowing them to be easily connected to other threaded fittings or pipes. These nipples are commonly used in plumbing, water supply systems, and other applications where a secure and leak-free connection is essential. Threaded nipples are available in various lengths and diameters to accommodate different requirements. 4. Grooved steel pipe nipples: Grooved nipples have a groove or indentation around the circumference of the nipple, which allows for easy installation using grooved couplings. This type of nipple is commonly used in fire protection systems, HVAC systems, and other applications where quick and efficient installation is necessary. Grooved nipples are available in various sizes and configurations to suit different piping systems. In summary, the different types of steel pipe nipples include seamless, welded, threaded, and grooved nipples. Each type has its own advantages and is suitable for specific applications. It is important to consider the specific requirements and conditions of the project before selecting the appropriate type of steel pipe nipple.
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China Professional Welded Steel Tube Steel Pipes manufacturer
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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