ASME API 5L High Quality Square Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
1、Structure of Hollow Section Steel Pipe Various Size:
The square tubes are used in structural projects, shelves, racks, trailers and in ornamental purpose. The framework made by square steel tubes, is used for providing support to the roof. This framework is also used as roof top ventilation baffles. With compare to round steel tubes, square steel tubes are little more efficient. To be used for construction, furniture structures as well as other fabrication purposes. It is widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.
2、Main Features of Hollow Section Steel Pipe Various Size:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Hollow Section Steel Pipe Various Size Specification：
Standard | ASTM A500, GB6728 |
Grade | A, B, C, Q195, Q235, Q215 |
Thickness | 0.6-10MM |
Section Shape | Square |
Outer Diameter | 10*10-500*500 |
Place of Origin | TIANJIN, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | HOT-ROLLED |
Certification | CO, MTC, CI, PL |
Surface Treatment | factory state or painted black |
Special Pipe | |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 10*10-500*500 |
1) Material: A, B, C, Q195, Q235, Q215
2) Specification range: 10*10-500*500 WT:0.6-10MM ,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 Hollow Section Steel Pipe Various Size:
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 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、Hollow Section Steel Pipe Various Size Images：
- Q: Are steel tubes and round steel in weight or length when purchased?
- It's priced by weight. The cutting process should size to determine the length (otherwise - please specify the weight of the material), the material ration to calculate weight for cost accounting as.
- Q: What are the advantages of using steel pipes over other materials?
- There are several advantages of using steel pipes over other materials: 1. Strength and Durability: Steel pipes are known for their exceptional strength and durability. They can withstand high pressure, heavy loads, and extreme weather conditions, making them suitable for various applications, including transportation of fluids and gases, structural support, and underground pipelines. 2. Corrosion Resistance: Steel pipes can be coated with different materials to enhance their resistance to corrosion. This makes them suitable for transporting water, chemicals, and other corrosive substances without the risk of pipe degradation. Additionally, steel pipes are less susceptible to rust, which prolongs their lifespan. 3. Cost-effectiveness: Although steel pipes may have a higher upfront cost compared to other materials, they offer long-term cost-effectiveness. Due to their durability and resistance to corrosion, steel pipes require less maintenance and replacement, resulting in reduced operational costs over time. 4. Versatility: Steel pipes come in various sizes, shapes, and thicknesses, making them versatile for different applications. They can be easily customized and fabricated to meet specific requirements, such as bending, welding, and threading. 5. Fire Resistance: Steel pipes have a high melting point, making them resistant to fire and reducing the risk of structural damage during a fire incident. This characteristic is particularly important in industries where fire safety is crucial, such as oil and gas, chemical, and construction. 6. Eco-friendly: Steel is a recyclable material, and steel pipes can be recycled and reused multiple times without compromising their quality. This not only reduces the demand for new materials but also contributes to environmental sustainability. 7. Excellent Flow Characteristics: Steel pipes provide smooth internal surfaces, minimizing friction and allowing for efficient flow of fluids and gases. This advantage is particularly significant in industries where fluid dynamics and energy efficiency are essential, such as oil and gas, water supply, and HVAC systems. In conclusion, steel pipes offer numerous advantages over other materials, including strength, durability, corrosion resistance, cost-effectiveness, versatility, fire resistance, eco-friendliness, and excellent flow characteristics. These advantages make steel pipes the preferred choice for a wide range of applications in various industries.
- Q: Are steel pipes suitable for potable water supply?
- Yes, steel pipes are suitable for potable water supply. They are durable, resistant to corrosion, and can handle high water pressure, making them a reliable choice for transporting drinking water.
- Q: How are steel pipes used in the manufacturing of marine applications?
- Steel pipes are commonly used in the manufacturing of marine applications due to their durability and resistance to corrosion. They are used for various purposes such as constructing ship hulls, offshore platforms, and underwater pipelines. These pipes provide structural support and can withstand the harsh conditions of the marine environment, making them essential components in the manufacturing process of marine applications.
- Q: What are the different methods of pipe joining for steel pipes?
- The different methods of pipe joining for steel pipes include welding, threaded connections, flanged connections, and grooved connections. Welding involves melting the two ends of the pipes together to form a strong bond. Threaded connections involve screwing the pipes together using thread tape or sealants to create a tight seal. Flanged connections use flanges and bolts to join the pipes together, providing a secure and leak-proof connection. Grooved connections involve using grooved couplings and gaskets to connect the pipes, allowing for quick and easy installation.
- Q: What is the difference between steel pipes and FRP pipes?
- Steel pipes and FRP pipes are commonly used in various industries and applications, but they differ in several ways: 1. Material Composition: Steel pipes are constructed from iron and carbon alloys, along with elements like manganese, silicon, and small amounts of other metals. Conversely, FRP pipes consist of a polymer matrix reinforced with fibers such as glass or carbon. 2. Strength and Durability: Steel pipes are renowned for their exceptional strength and durability, enabling them to endure high pressures, heavy loads, and extreme temperatures. Although FRP pipes are also strong and durable, they are comparatively lighter in weight and may not possess the same level of strength as steel pipes. Nonetheless, they excel in corrosion resistance and have a longer lifespan in corrosive environments. 3. Corrosion Resistance: Steel pipes are susceptible to corrosion and thus require protective coatings or linings to prevent rust and deterioration. In contrast, FRP pipes possess inherent corrosion resistance and do not necessitate additional coatings. Consequently, they are well-suited for transporting corrosive fluids or functioning in corrosive environments. 4. Installation and Maintenance: Installing steel pipes necessitates specialized welding or threading techniques. Consequently, installation can be more labor-intensive and time-consuming, particularly for complex or large-scale projects. Conversely, FRP pipes are lightweight and easily transportable and installed. Often arriving in pre-fabricated sections, they expedite installation, reduce labor requirements, and demand minimal maintenance in comparison to steel pipes. 5. Cost: Generally, steel pipes are more expensive than FRP pipes due to the higher cost of raw materials and the need for additional corrosion protection measures. FRP pipes offer a cost-effective alternative, particularly in applications where corrosion resistance is paramount, as they eliminate the necessity for expensive coatings or linings. Ultimately, the selection between steel pipes and FRP pipes depends on the specific requirements of the application. Steel pipes are favored for their high strength, whereas FRP pipes offer advantages such as corrosion resistance, lightweight construction, and cost-effectiveness.
- Q: How do steel pipes resist corrosion?
- Steel pipes resist corrosion through various methods, primarily due to the protective properties of the material itself. Firstly, steel contains a small amount of carbon, which creates a thin, invisible layer on the surface of the pipe known as a passive film. This film acts as a barrier, preventing oxygen and moisture from reaching the underlying steel and thus inhibiting corrosion. Additionally, steel pipes are often coated with protective materials such as zinc, epoxy, or polyethylene, which provide an additional layer of defense against corrosion. Regular maintenance and inspections also play a crucial role in preventing corrosion by identifying and addressing any potential vulnerabilities in the pipes.
- Q: How do you calculate the pipe pressure loss coefficient for steel pipes?
- To calculate the pipe pressure loss coefficient for steel pipes, you can use the Darcy-Weisbach equation, which is a widely accepted method for determining the pressure loss in pipes due to friction. The equation is as follows: ΔP = f × (L/D) × (V^2/2g) Where: - ΔP is the pressure loss (in units of pressure, such as psi or Pa) - f is the Darcy friction factor (dimensionless) - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) - V is the velocity of the fluid flowing through the pipe (in units of velocity, such as ft/s or m/s) - g is the acceleration due to gravity (in units of acceleration, such as ft/s² or m/s²) The Darcy friction factor (f) is a dimensionless parameter that represents the amount of frictional resistance in the pipe. For steel pipes, the friction factor can be determined using the Moody diagram, which is a graphical representation of the relationship between the Reynolds number (Re) and the friction factor (f) for different pipe roughness. To calculate the pressure loss coefficient, you need to find the value of the friction factor (f) based on the Reynolds number (Re) and the relative roughness of the steel pipe (ε/D). The Reynolds number is given by: Re = (ρ × V × D) / μ Where: - ρ is the density of the fluid (in units of mass per unit volume, such as lb/ft³ or kg/m³) - V is the velocity of the fluid (in units of velocity, such as ft/s or m/s) - D is the diameter of the pipe (in units of length, such as feet or meters) - μ is the dynamic viscosity of the fluid (in units of force per unit area per unit time, such as lb/ft·s or kg/m·s) Once you have the Reynolds number (Re) and the relative roughness (ε/D), you can use the Moody diagram to find the corresponding friction factor (f). The pressure loss coefficient (K) can then be calculated as: K = f × (L/D) Where: - L is the length of the pipe (in units of length, such as feet or meters) - D is the diameter of the pipe (in units of length, such as feet or meters) By using the Darcy-Weisbach equation and the Moody diagram, you can accurately calculate the pressure loss coefficient for steel pipes, which is essential for designing and analyzing fluid flow systems.
- Q: How to make the steel pipe spray paint is not easy to fall off?
- First, clean the surface of the object to be sprayed (pay attention to whether or not to paint off, which is the key):Remove rust stains, oil and so on, when spraying, the nozzle and spray the best distance is 20cm, should be two times forming, first thin spray again, dry, and then spray second times, this is more uniform, and not easy to hang
- Q: How are steel pipes tested for quality and strength?
- Steel pipes are tested for quality and strength through various methods, including destructive and non-destructive testing. Destructive testing involves subjecting the pipes to extreme forces, such as tension, compression, and bending, to determine their mechanical properties and structural integrity. Non-destructive testing methods, such as ultrasonic testing, magnetic particle testing, and radiographic testing, are used to detect any defects or inconsistencies in the pipes without causing damage. These rigorous testing procedures ensure that steel pipes meet the required quality and strength standards before being used in various applications.
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ASME API 5L High Quality Square Steel Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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