Hot Dipped Galvanized Steel Pipe
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3000 PCS
- Supply Capability:
- 40000 PCS/month
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Hot Dipped Galvanized Steel Pipe Details
| Thickness: | 1.5 - 20 mm | Section Shape: | Round | Outer Diameter: | 10 - 750 mm |
| Place of Origin: | Tianjin China (Mainland) | Secondary Or Not: | Non-secondary | Application: | Structure Pipe |
| Technique: | Hot Rolled | Certification: | BSI | Surface Treatment: | Galvanized |
| Alloy Or Not: | Non-alloy | Length: | 1m~12m | Plastic caps: | with plastic caps on both ends or not |
| Coupling: | with coupling or socket or not | Thread type: | ASTM OR BRITISH | Description: | hot dipped galvanized steel pipe |
| Weight: | 2~5 ton per bundle | Produce standard: | BS1387 or GB or ASTM | Shape: | round, square, rectangular |
Packaging & Delivery
| Packaging Detail: | wrapped by steel strips in bundles and covered by plastic bags . |
| Delivery Detail: | as per the quantity |
Hot Dipped Galvanized Steel Pipe Specifications
Product Name: | BS1387 /ASTM A53 Galvanized Steel Pipe | |
Size | OD | 1/2-8” (20mm-219mm) |
Wall Thickness | 0.5mm-10mm SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc. | |
Length | Less than 12m | |
Steel material | Q195 → Grade B, SS330,SPHC, S185 Q215 → Grade C,CS Type B,SS330, SPHC Q235 → Grade D,SS400,S235JR,S235JO,S235J2 Q345 → SS500,ST52 | |
Standard | BS EN10296,BS EN10025,BS EN10297,BS6323, BSEN10219,BSEN10217,GB/T13793-1992,GB/T14291-2006 GB/T3091-1993,GB/T3092-1993,GB3640-88 | |
Usage | Used For Structure, Accessorize And Construction | |
Ends | 1) Plain 2) Beveled 3) Thread with Coupling or cap | |
End protector | 1) Plastic pipe cap 2) Iron protector | |
Surface Treatment | 1) Bared 2) Black Painted (varnish coating) 3) Galvanized 4) With Oiled 5) 3 PE, FBE, corrosion resistant coating | |
Technique | Electronic Resistance Welded (ERW ) Electronic Fusion Welded (EFW) Double Submerged Arc Welded (DSAW) | |
Type | Welded Pipe | |
Welded Line Type | Longitudinal | |
Section Shape | Round | |
Inspection | With Hydraulic Testing, Eddy Current , Infrared Test | |
Package | 1) Bundle, 2) In Bulk 3) Bags 4) Clients' Requirements | |
Delivery | 1) Container 2) Bulk carrier | |
Port of Shipment | Xingang Port,Tianjin, China | |
Date of Delivery | According To The Quantity And Specification Of Each Order | |
Payment | L/C T/T | |
Others | Fitting as screws and flange also can be supplied. | |
Hot Dipped Galvanized Steel Pipe Advantages
Professional advantage:
More than 10 years’ professional producing experience.
Price advantage:
We are manufacturer and we have our own factory, you can get a competitive price with high quality.
Service advantage:
Your enquiry will get quickest and most efficient response. We can provide samples for your evaluation as well as fastest delivery.
Honor advantage:
Good reputation in this industry due to our high quality products and service.
Hot Dipped Galvanized Steel Pipe Pictures
- Q:What are the advantages of using steel pipes in construction?
- There are several advantages of using steel pipes in construction. Firstly, steel pipes are incredibly strong and durable, making them suitable for carrying heavy loads and withstanding extreme weather conditions. Secondly, steel pipes have a high resistance to corrosion, which ensures their longevity and minimizes maintenance costs. Additionally, steel pipes are versatile and can be easily customized to fit specific project requirements. Lastly, steel pipes are fire-resistant, making them a safer choice for construction purposes. Overall, the use of steel pipes in construction offers strength, durability, corrosion resistance, versatility, and fire safety.
- Q:How do you protect steel pipes from fire?
- There are several measures available to protect steel pipes from fire. One commonly used approach involves applying fire-resistant coatings or paints to the surface of the pipes. These coatings or paints are specifically designed to endure high temperatures and create a barrier that prevents heat from reaching the steel. Another effective method is to wrap the steel pipes with fire-resistant insulation materials. These materials serve as a buffer, reducing heat transfer and slowing down the spread of fire. Mineral wool or ceramic fiber blankets are commonly utilized for this purpose. It is also crucial to ensure proper installation and support for the steel pipes. This includes maintaining adequate clearance from other flammable substances and avoiding overcrowding or obstructions that could hinder the flow of air around the pipes. Sufficient spacing between pipes is also essential to prevent heat transfer between them. Moreover, incorporating firestop systems is recommended when steel pipes pass through fire-rated walls or floors. These systems consist of fire-resistant materials and seals that prevent the spread of fire and smoke through openings or penetrations in fire-rated barriers. Regular maintenance and inspections are essential to uphold the ongoing effectiveness of the fire protection measures. Any damage or deterioration of the coatings, insulation, or firestop systems should be promptly addressed to maintain the fire resistance of the steel pipes. In conclusion, a combination of fire-resistant coatings, insulation, proper installation, and maintenance practices is imperative for safeguarding steel pipes against fire hazards. These measures play a crucial role in minimizing the risk of fire-related damage and ensuring the safety of both the pipes and the surrounding environment.
- Q:What is the difference between internal lining and external coating of steel pipes?
- The distinction between the internal lining and external coating of steel pipes can be found in their respective functions and locations. Internal lining serves as a safeguard for the inner surface of steel pipes, shielding it from corrosion, abrasion, and other forms of harm. It creates a barrier between the transported fluids or substances and the steel pipe, preventing direct contact and potential deterioration. The materials utilized for internal lining, such as epoxy, polyethylene, or cement mortar, are dependent on specific requirements and the nature of the substances being transported. The internal lining ensures the longevity and integrity of the steel pipe by reducing the risk of internal corrosion and contamination. On the other hand, external coating is applied to the outer surface of steel pipes. Its primary purpose is to provide protection against external factors such as weathering, soil corrosion, and mechanical damage. Acting as a shield, the external coating safeguards the steel pipe from environmental conditions like moisture, UV radiation, chemicals, and physical impact. Common materials used for external coatings include fusion-bonded epoxy, polyethylene, polypropylene, or bitumen. The selection of coating depends on factors such as exposure conditions, temperature, and the type of soil or surroundings the steel pipe will encounter. In summary, internal lining safeguards the inner surface of steel pipes from corrosion and damage caused by transported substances, while external coating acts as a barrier against external elements and physical stresses. Both internal lining and external coating play crucial roles in ensuring the durability and reliability of steel pipes in various applications, such as oil and gas pipelines, water supply systems, or industrial processes.
- Q:How are steel pipes used in the construction of dams?
- Steel pipes are commonly used in the construction of dams for various purposes such as water diversion, drainage, and foundation reinforcement. They are used to transport water from one area to another, diverting it away from the construction site or controlling its flow within the dam. Steel pipes are also employed for drainage systems to prevent water accumulation and to ensure the stability of the dam structure. Additionally, they play a crucial role in reinforcing the foundation of the dam, providing strength and support to the overall structure.
- 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 do you calculate the deflection of a steel pipe?
- To determine the deflection of a steel pipe, one must take into account various factors, including material properties, applied loads, and geometrical characteristics. The following steps can serve as a guide: 1. Material properties must be determined. This involves obtaining information about the steel pipe, such as its Young's modulus (E), which signifies its stiffness or resistance to deformation. Typically, this value is provided by the manufacturer or can be found in material databases. 2. The applied loads need to be analyzed. It is necessary to identify the types and magnitudes of the loads acting on the steel pipe. These loads can consist of point loads, distributed loads, or a combination of both. Additionally, the location and orientation of the applied loads must be determined. 3. The geometry of the pipe must be evaluated. The dimensions of the steel pipe, including its length (L), outer diameter (D), and wall thickness (t), should be measured or obtained. Accuracy in these values is crucial for precise calculations. 4. An appropriate calculation method should be selected. Depending on the complexity of the loading and support conditions, one may need to employ either simple beam theory or more advanced structural analysis methods, such as the finite element method (FEM). 5. The relevant equations must be applied. For simple beam theory, the Euler-Bernoulli beam equation can be utilized to calculate the deflection at a specific point on the pipe. This equation assumes the pipe is homogeneous, linearly elastic, and subjected to small deflections. In more complex scenarios, FEM software can handle the calculations. 6. Boundary conditions must be determined. The support conditions at both ends of the pipe, which can include fixed supports, simply supported ends, or combinations of both, need to be identified. These conditions significantly influence the deflection of the pipe. 7. The deflection can be calculated. By using the equations relevant to the chosen method and incorporating the material properties, applied loads, and geometry, one can calculate the deflection at specific points along the steel pipe. The deflection can be measured in terms of vertical displacement or angular rotation. It is important to note that calculating the deflection of a steel pipe may require specialized engineering knowledge and software tools. If one lacks experience in structural analysis, it is advisable to consult a professional engineer to ensure accurate results and safe design.
- Q:Is hot dipped plastic pipe steel?
- Hot dip pipe used in fluidized bed impregnation process, one-time into new anti-corrosion steel production process is the original film, plastic pipe or electrostatic nozzle replace (the products by physical treatment process)
- Q:How are steel pipes protected against chemical corrosion?
- Steel pipes are protected against chemical corrosion through various methods such as coating them with corrosion-resistant materials like epoxy or polyethylene. Additionally, cathodic protection techniques like applying sacrificial anodes or using impressed current systems can also be employed to prevent chemical corrosion on steel pipes.
- Q:How do steel pipes perform in earthquake-prone regions?
- Steel pipes perform well in earthquake-prone regions due to their high strength and ductility. They are capable of flexing and absorbing seismic energy, reducing the risk of catastrophic failure. Additionally, steel pipes can be designed with proper reinforcement to withstand ground movements, making them a reliable choice for infrastructure in earthquake-prone areas.
- Q:Does seamless steel tube have a bend of 135 degrees?
- In engineering, it is usually marked as "45 elbow" and has no "135" mark. The angle of the elbow is acute, so there will be no more than 90 degrees elbow.
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Hot Dipped Galvanized Steel Pipe
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 3000 PCS
- Supply Capability:
- 40000 PCS/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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