Pipe for building materials galvanized hollow section
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- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
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1、Structure of Pipe for building materials galvanized hollow section:
Galvanized 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 Galvanized pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Pipe for building materials galvanized hollow section:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Pipe for building materials galvanized hollow section 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 Pipe for building materials galvanized hollow section:
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 best price below market one, we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible , 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. We company professional to provide these serious of pipes and what we can give you is not only in good sprice, the most important is we can provide you good quality.
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、 Pipe for building materials galvanized hollow section Images：
- Q: What are the different methods of pipe cutting for steel pipes?
- There are several methods of cutting steel pipes including manual methods such as hacksaw cutting and abrasive cutting, as well as more advanced methods like plasma cutting, laser cutting, and water jet cutting. Each method has its own advantages and is selected based on the specific requirements of the project.
- Q: What is the difference between API 5L and ASTM A53 steel pipes?
- API 5L and ASTM A53 are widely utilized carbon steel pipe standards with similar purposes but notable distinctions. 1. In terms of scope, API 5L pertains to seamless and welded pipes for transporting oil, gas, water, and other fluids. It encompasses plain-end, threaded-end, and belled-end pipe types. Conversely, ASTM A53 is a standard specification for seamless and welded black and hot-dipped galvanized steel pipes utilized in mechanical and pressure applications. 2. The manufacturing processes differ, as API 5L pipes undergo hot-rolling, while ASTM A53 pipes undergo either hot-rolling or cold-drawing. This variance affects the chemical composition and mechanical properties of the pipes. 3. Generally, API 5L pipes have a higher carbon content compared to ASTM A53 pipes. This discrepancy arises from the intended use of API 5L pipes for conveying oil, gas, and water, necessitating greater strength and durability. On the other hand, ASTM A53 pipes cater to mechanical and pressure applications, where lower carbon content is deemed appropriate. 4. API 5L pipes exhibit higher minimum yield strength and tensile strength than ASTM A53 pipes. This outcome stems from the increased carbon content and more stringent manufacturing process employed for API 5L pipes. Conversely, ASTM A53 pipes possess lower yield and tensile strength requirements, rendering them more suitable for general-purpose applications. 5. API 5L pipes offer various coating options, including black varnish, 3PE, FBE, among others, depending on the specific application requirements. In contrast, ASTM A53 pipes are typically hot-dipped galvanized to enhance corrosion resistance. In conclusion, API 5L and ASTM A53 steel pipes differ in scope, manufacturing processes, chemical compositions, mechanical properties, and coating options. The appropriate choice of pipe hinges upon specific application requirements, such as the nature of the conveyed fluid, operating conditions, and desired strength and durability.
- Q: How are steel pipes used in the agricultural sector?
- Steel pipes are commonly used in the agricultural sector for various purposes such as irrigation systems, drainage systems, and construction of structures like greenhouses and barns. They are durable, strong, and can withstand harsh weather conditions, making them ideal for these applications in the agricultural industry.
- Q: What are the different methods of repairing damaged steel pipes?
- There are several methods for repairing damaged steel pipes, including welding, pipe lining, pipe bursting, and pipe patching. Welding involves cutting out the damaged section and replacing it with a new piece of pipe, which is then welded into place. Pipe lining is a method where a new pipe is inserted into the damaged one, creating a seamless and corrosion-resistant inner lining. Pipe bursting involves fracturing the damaged pipe while simultaneously pulling a new pipe through the old one, effectively replacing it. Pipe patching is a temporary fix that involves applying a patch over the damaged area using epoxy or other materials. The choice of method depends on the extent and location of the damage, as well as the desired durability and cost-effectiveness of the repair.
- Q: How are steel pipes tested for mechanical strength?
- Steel pipes are tested for mechanical strength through various methods such as tensile testing, hydrostatic testing, and non-destructive testing. Tensile testing involves pulling the pipe until it breaks to measure its ultimate tensile strength. Hydrostatic testing involves pressurizing the pipe with water to check its ability to withstand high internal pressures. Non-destructive testing methods like ultrasonic testing or magnetic particle inspection are also used to detect any defects or weaknesses in the pipe without causing damage. These tests ensure that steel pipes are strong enough to withstand the required mechanical stresses.
- Q: How are steel pipes used in the manufacturing of automotive exhaust systems?
- Steel pipes are commonly used in the manufacturing of automotive exhaust systems as they possess high strength, durability, and resistance to heat and corrosion. These pipes are used to transport exhaust gases from the engine to the tailpipe, ensuring the safe and efficient operation of the vehicle. They are typically bent and welded together to create a complex network of pipes that helps direct the flow of exhaust gases and reduce noise levels. Overall, steel pipes play a crucial role in the construction of automotive exhaust systems, contributing to their reliability and longevity.
- Q: What is the composition of steel pipes?
- Steel pipes are primarily composed of iron and carbon, with trace amounts of other elements such as manganese, phosphorus, sulfur, and silicon.
- Q: What are the common factors affecting the flow capacity of steel pipes?
- There are several common factors that can affect the flow capacity of steel pipes. 1. Pipe Diameter: The diameter of the pipe is one of the most significant factors affecting flow capacity. The larger the diameter, the greater the flow capacity as there is more area for the fluid to pass through. 2. Pipe Length: The length of the pipe also plays a role in flow capacity. Longer pipes generally have higher frictional losses, which can reduce the flow capacity. 3. Surface Roughness: The internal surface roughness of the steel pipe can impact flow capacity. Rough surfaces create more friction, which can reduce the flow rate. Smooth pipes, on the other hand, allow for smoother flow and higher flow capacity. 4. Fluid Properties: The properties of the fluid being transported through the steel pipe can affect flow capacity. Factors such as viscosity, temperature, and density can impact the flow rate. For example, highly viscous fluids will have lower flow capacity compared to less viscous fluids. 5. Pressure Drop: Pressure drop along the length of the pipe is another factor that affects flow capacity. As fluid flows through the pipe, there may be pressure losses due to friction, bends, or restrictions. Higher pressure drops result in lower flow capacity. 6. Pipe Material and Wall Thickness: The material of the steel pipe and its wall thickness can influence flow capacity. Different materials have different properties that can affect flow rates. Additionally, thicker walls can reduce the internal diameter of the pipe, resulting in lower flow capacity. 7. Pipe Layout and Fittings: The design and layout of the pipe system, including the presence of fittings such as valves, elbows, and tees, can impact flow capacity. These fittings can cause additional pressure drops and turbulence, reducing the overall flow rate. It is important to consider these factors when designing or evaluating a steel pipe system to ensure optimal flow capacity and efficiency.
- Q: How are steel pipes repaired in case of damage?
- Steel pipes are repaired in case of damage through various methods such as welding, patching, or replacing the damaged section. The appropriate repair technique depends on the type and extent of the damage to ensure the structural integrity and functionality of the pipe.
- Q: How do you measure the diameter of a steel pipe?
- To determine the diameter of a steel pipe, various methods can be employed based on the tools accessible and the required accuracy. Here are several commonly used techniques: 1. Utilizing calipers: The most precise approach involves employing a set of calipers. Expand the calipers to their maximum width and then gradually close them around the pipe until they fit snugly. The diameter of the pipe will be indicated by the measurement displayed on the calipers. 2. Tape measure or ruler: In the absence of calipers, a tape measure or ruler can be employed. Wrap the tape measure or ruler around the pipe's circumference, ensuring a snug fit without excessive tightness. Divide the measurement by pi (3.14) to obtain the diameter. Although this method may not offer the same accuracy as calipers, it can provide a rough estimate. 3. String or flexible tape: Another option is to employ a piece of string or flexible tape. Wrap it around the pipe's circumference and mark the point of overlap. Utilize a ruler or tape measure to determine the length of the marked section. Divide this measurement by pi (3.14) to ascertain the diameter. 4. Implementing a pipe gauge: A specialized tool known as a pipe gauge can be utilized for measuring pipe diameter. It comprises a series of circular holes accompanied by corresponding diameter labels. Simply insert the pipe into the hole that best matches its size, and the label will indicate the diameter. Bear in mind that it is crucial to measure the diameter at multiple points along the pipe to account for any irregularities or inconsistencies. For accurate measurements, it is advisable to take multiple readings and calculate the average diameter.
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Pipe for building materials galvanized hollow section
- Ref Price:
-
- 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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