Seamless Steel Pipes with High Quality Made in China
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1、Structure of Seamless Steel Pipes with High Quality Made in China:
Seamless pipe 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. 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 Seamless Steel Pipes with High Quality Made in China:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless Steel Pipes with High Quality Made in China 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 Seamless Steel Pipes with High Quality Made in China:
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.
- Q:Galvanized steel pipe in addition to good rust resistance, what are the advantages?
- Galvanized steel is cracking for 39 days and will not, especially suitable for Northern very cold environment.
- Q:What is the density of steel pipes?
- The density of steel pipes varies depending on the specific grade and composition of the steel used. However, on average, the density of steel pipes is typically around 7.8 grams per cubic centimeter (g/cm³) or 7800 kilograms per cubic meter (kg/m³). It is important to note that this value can vary slightly depending on factors such as the manufacturing process and the specific alloy used in the steel.
- Q:How are steel pipes threaded for connection?
- Steel pipes are threaded for connection using a process called threading, which involves cutting helical grooves into the pipe's surface. This is typically done using a machine called a pipe threading machine, which rotates the pipe while a cutting tool is held against it, creating the desired threading pattern. The threaded ends of the pipes can then be connected using fittings or couplings to create a secure and leak-proof joint.
- Q:How are steel pipes protected against external impact or mechanical damage?
- Steel pipes are typically protected against external impact or mechanical damage through the use of various methods such as applying protective coatings, installing corrosion-resistant materials, using concrete encasement, or utilizing protective shields or guards.
- Q:What are the safety precautions for handling steel pipes?
- Some safety precautions for handling steel pipes include wearing appropriate personal protective equipment such as gloves, safety glasses, and steel-toed boots. It is also important to use proper lifting techniques to prevent strain or injury, as steel pipes can be heavy. Additionally, ensuring a clear and organized workspace, as well as securing the pipes properly during transportation, can help prevent accidents or damage.
- Q:What are the different methods of pipe welding for steel pipes?
- Steel pipes can be welded using various methods, each with its own advantages and applications. Here are some commonly used techniques: 1. Stick welding, also called Shielded Metal Arc Welding (SMAW), involves manually melting a consumable electrode coated in flux. The flux creates a protective shield around the weld pool. SMAW is versatile and can be used in different positions, making it suitable for both field and workshop applications. 2. Gas Metal Arc Welding (GMAW), also known as MIG welding, uses a continuous wire electrode fed through a welding gun. The gun supplies a shielding gas, such as argon or a mixture of argon and carbon dioxide, to protect the weld pool from contamination. GMAW is known for its high welding speed and is commonly used in industrial settings. 3. Flux-Cored Arc Welding (FCAW) is similar to GMAW, but the wire electrode is filled with flux instead of relying on an external gas. The flux creates a protective shield around the weld pool, eliminating the need for a separate gas supply. FCAW is often used in outdoor and windy conditions for better protection against contamination. 4. Gas Tungsten Arc Welding (GTAW), also called TIG welding, uses a non-consumable tungsten electrode to create the weld. A separate shielding gas, typically argon, is used to protect the weld pool. GTAW produces high-quality welds with excellent control, making it suitable for precision applications. 5. Submerged Arc Welding (SAW) is an automated process that uses a continuously fed wire electrode and a granular flux poured over the weld joint. The arc is submerged beneath the flux, providing excellent protection against contamination. SAW is commonly used in heavy fabrication and pipeline industries due to its high deposition rates and deep penetration capabilities. These are just a few of the methods available for welding steel pipes. The choice of method depends on factors such as the application, material thickness, desired weld quality, and available equipment. Selecting the appropriate method is crucial to ensure strong and reliable welds in steel pipe applications.
- Q:Can steel pipes be used for gas lines?
- Yes, steel pipes can be used for gas lines. Steel pipes are commonly used for gas lines due to their high strength and durability, making them suitable for transporting natural gas or propane safely and efficiently.
- Q:How do steel pipes handle soil movement?
- Steel pipes are able to handle soil movement effectively due to their inherent strength and flexibility. The sturdy nature of steel allows the pipes to withstand the pressures exerted by soil movement, while their flexibility enables them to adapt and adjust to changes in the soil's position without fracturing or breaking. Additionally, steel pipes can be designed with specific coatings and reinforcements to further enhance their resistance to soil movement, making them a reliable choice for various applications.
- Q:What is the size of seamless steel tube DN150?
- Seamless steel tube is generally used to indicate the outer diameter * wall thickness, DN150 seamless steel pipe GB wall thickness is 5mm. Wall thickness is a series of calculations based on your design, pressure, temperature, and pipe material.
- Q:What are the different types of steel pipes available?
- There are various types of steel pipes available in the market, each designed to meet specific requirements in different applications. Some of the commonly used types of steel pipes include: 1. Carbon Steel Pipes: These are the most common type of steel pipes and are primarily made of carbon. They are used in a wide range of applications, including transportation of fluids and gases, structural applications, and plumbing. 2. Stainless Steel Pipes: These pipes are made of an alloy that contains a high percentage of chromium, which provides excellent corrosion resistance. Stainless steel pipes are widely used in industries such as oil and gas, chemical processing, and food processing. 3. Alloy Steel Pipes: As the name suggests, these pipes are made of an alloy that contains a combination of different elements, such as chromium, molybdenum, and nickel. Alloy steel pipes offer enhanced strength, durability, and resistance to high temperatures, making them suitable for applications in power plants, refineries, and petrochemical industries. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect them from corrosion. Galvanized steel pipes are commonly used in plumbing systems, water supply lines, and outdoor structures due to their excellent resistance to rust and long-lasting durability. 5. Seamless Steel Pipes: These pipes are manufactured without any welding seam and are often preferred for applications that require high pressure, high temperature, or a smooth inner surface. Seamless steel pipes are commonly used in industries such as oil and gas, automotive, and aerospace. 6. Welded Steel Pipes: These pipes are manufactured by welding two pieces of steel together. They are available in various shapes and sizes and are commonly used in construction, water supply systems, and general engineering applications. 7. ERW (Electric Resistance Welded) Steel Pipes: These pipes are manufactured by passing a high-frequency electric current through the steel strip and then welding the edges together. ERW steel pipes are widely used in oil and gas transportation, structural applications, and fencing. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: These pipes are made by bending and welding a steel plate into a cylindrical shape. LSAW steel pipes are commonly used in large-scale infrastructure projects, such as oil and gas pipelines and bridge construction. In summary, the different types of steel pipes available include carbon steel pipes, stainless steel pipes, alloy steel pipes, galvanized steel pipes, seamless steel pipes, welded steel pipes, ERW steel pipes, and LSAW steel pipes. The choice of steel pipe type depends on the specific requirements of the application, including factors such as corrosion resistance, strength, temperature, and pressure resistance.
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Seamless Steel Pipes with High Quality Made in China
- Ref Price:
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- Loading Port:
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- Min Order Qty:
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