Welded Steel Pipe Production Serious
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1、Structure of Welded Steel Pipe ASTM SA213/A519::
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 Welded Steel PipeASTM SA213/A519::
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Welded Steel PipeASTM SA213/A519: 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 Welded Steel Pipe ASTM SA213/A519:
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、 Welded Steel Pipe ASTM SA213/A519: Images：
- Q: How do steel pipes compare to ductile iron pipes?
- Steel pipes and ductile iron pipes are utilized in various applications, but they possess distinct differences in terms of their properties and advantages. 1. Strength and Durability: Steel pipes exhibit greater strength and durability compared to ductile iron pipes. Steel possesses a higher tensile strength, making it less susceptible to cracking or breaking under pressure or external forces. Conversely, ductile iron possesses a lower tensile strength but boasts better impact resistance than steel. 2. Corrosion Resistance: Steel pipes are susceptible to corrosion, especially when exposed to moisture or chemicals. Nevertheless, protective measures such as applying coatings or employing corrosion-resistant alloys can safeguard against this. Ductile iron pipes, while inherently more corrosion-resistant than regular cast iron, may still necessitate external protection to prevent rusting and degradation. 3. Flexibility: Ductile iron pipes offer greater flexibility than steel pipes. They can endure certain degrees of bending and deflection without fracturing, making them suitable for applications where ground movement or shifting may occur. Conversely, steel pipes are less flexible and more rigid, rendering them better suited for straight runs or applications with minimal movement. 4. Cost: Generally, ductile iron pipes are more cost-effective than steel pipes. The manufacturing process for ductile iron is easier and cheaper, resulting in lower production costs. However, steel pipes may possess a longer lifespan, requiring fewer replacements over time, thereby offsetting the initial cost difference. 5. Installation: Steel pipes are lighter and easier to handle during installation compared to ductile iron pipes, which can be heavy and bulky. The lighter weight of steel pipes can reduce labor and transportation costs. Moreover, steel pipes can be welded, allowing for more flexible installation options, while ductile iron pipes are typically joined using mechanical couplings or flanged connections. In conclusion, steel pipes offer superior strength and durability, while ductile iron pipes provide better flexibility and cost-effectiveness. The selection between the two depends on the specific requirements of the application, including factors such as corrosion resistance, expected loads, installation conditions, and budget constraints.
- Q: Can steel pipes be used for oil and gas well production?
- Yes, steel pipes are commonly used for oil and gas well production due to their high strength, durability, and resistance to corrosion.
- Q: What is the process of spiral steel tube production?
- Butt welding: the use of advanced double submerged arc welding technology for pre welding, internal welding, external welding. The welded steel tubes are cut into standard lengths using a plasma gage.
- Q: What are the different coatings used on steel pipes?
- There are several different coatings used on steel pipes, including but not limited to epoxy coatings, polyethylene coatings, zinc coatings, and galvanized coatings.
- Q: How do you determine the maximum allowable stress for steel pipes?
- In order to establish the maximum allowable stress for steel pipes, several factors must be taken into account. These factors encompass the type of steel, the dimensions of the pipe, and the operating conditions it will be exposed to. To begin with, the type of steel chosen is a pivotal aspect in determining the maximum allowable stress. Different steel grades possess distinct mechanical properties, including yield strength, tensile strength, and elongation. These properties define the steel's capacity to withstand stress before deforming or failing. Hence, it is crucial to comprehend the specific grade of steel employed in the pipes to ascertain the maximum allowable stress. Additionally, the dimensions of the pipe are of utmost importance. The external diameter, wall thickness, and length all impact the pipe's strength and ability to handle stress. By calculating the cross-sectional area and moment of inertia, engineers can evaluate the pipe's resistance to bending and axial stresses. These calculations, combined with the material properties, facilitate the determination of the maximum allowable stress. Finally, the operating conditions under which the pipe will be utilized play a critical role. Variables such as temperature, pressure, and the presence of corrosive substances can significantly influence the maximum allowable stress of a steel pipe. Elevated temperatures can alter the mechanical properties of the steel, while high pressures can induce additional stress. Furthermore, the presence of corrosive substances can lead to material degradation and diminish the pipe's strength. Thus, considering these operational factors is essential when determining the maximum allowable stress. To summarize, the process of establishing the maximum allowable stress for steel pipes entails assessing the specific steel grade, the pipe's dimensions, and the operating conditions. By analyzing these factors, engineers can ensure that the steel pipe is designed and utilized within its safe stress limits.
- Q: Heating system DN40 and DN32 welded steel pipe how to connect?
- Welding: AC arc welding machine welding. Mode 1: apply to the medium of non demanding piping, DN40 steel pipe necking and DN32 steel pipe butt welding, or directly DN32 steel pipe into the DN40 internal welding. 2: the pipeline requirements apply to the inner wall of smooth transition, reducing short circuit welding for DN40x32 suppression of this mechanism are used for connection pipe seamless steel pipe high pressure pipeline connection, no special requirements, not commonly used welded steel pipe. Connection of mechanism fittings is not only costly, but not necessary unless special requirements are required!
- Q: Can steel pipes be used for oil refinery applications?
- Yes, steel pipes can be used for oil refinery applications. Steel pipes offer many advantages for oil refinery applications including high strength, durability, and resistance to corrosion. They are able to withstand high pressure and temperature conditions that are common in oil refinery operations. Steel pipes are also easy to transport and install, making them a popular choice for oil refinery projects. Additionally, steel pipes can be customized to meet specific requirements such as size, thickness, and coating, making them suitable for a wide range of oil refinery applications.
- Q: What are the common methods for joining steel pipes?
- There are several common methods for joining steel pipes, depending on the specific application and requirements. Some of the most commonly used methods include: 1. Welding: This is one of the most common methods of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding can be done using various techniques such as arc welding, MIG welding, TIG welding, or even laser welding. 2. Threaded connections: In this method, the ends of the steel pipes are threaded to create a male and female connection. These threaded ends are then screwed together using pipe threads. Threaded connections are commonly used for smaller diameter pipes and in low-pressure applications. 3. Flanged connections: Flanges are used to join steel pipes in applications that require easy assembly and disassembly or when frequent maintenance is needed. Flanges are flat, circular discs with bolt holes that allow the pipes to be bolted together. The flanges provide a strong and leak-proof connection. 4. Compression fittings: Compression fittings are used to join steel pipes without the need for welding or threading. They consist of a compression nut, a compression ring, and a compression sleeve. The nut is tightened onto the sleeve, compressing it against the pipe, creating a secure connection. 5. Grooved couplings: Grooved couplings are used to join steel pipes by creating a mechanical connection. The pipe ends are grooved, and a gasket is placed between the grooves. The couplings are then tightened, compressing the gasket and creating a tight seal. 6. Soldering or brazing: These methods involve using a filler metal that has a lower melting point than the steel pipes. The filler metal is heated and melted, allowing it to flow between the pipe joints, creating a bond. Soldering is typically used for smaller diameter pipes and low-pressure applications. Each joining method has its advantages and limitations, and the choice of method depends on factors such as the pipe diameter, the application, the working pressure, and the required durability of the joint. It is important to consider these factors and consult industry standards and guidelines when selecting the appropriate method for joining steel pipes.
- Q: Are steel pipes magnetic?
- It is true that steel pipes have the ability to become magnetic. Steel, mainly composed of iron, possesses ferromagnetic properties. Consequently, it can be magnetized or drawn towards magnets. Nevertheless, it is important to note that not all steel pipes are magnetic due to the variability in steel's magnetic characteristics, which depend on the specific composition and production methods employed. By incorporating specific alloying elements or subjecting it to particular heat treatments, steel can be rendered non-magnetic in certain instances. Moreover, the strength of the magnetic field exhibited by steel pipes varies based on factors such as pipe thickness and the magnet's intensity.
- Q: Can steel pipes be used for conveying slurries or abrasive materials?
- Yes, steel pipes can be used for conveying slurries or abrasive materials. Steel pipes are known for their durability and resistance to wear and tear, making them suitable for handling abrasive substances. Additionally, their smooth interior surface reduces friction, preventing clogging and ensuring efficient flow of slurries or abrasive materials.
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Welded Steel Pipe Production Serious
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 8000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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