Scaffolding Building Structure Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
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Quality Product, Order Online Tracking, Timely Delivery
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1. Specification of Scarffolding Building Structure Pipe:
1) Standard: BS EN39 Loose steel tubes for tube and coupler scaffolds -- Technical delivery conditions
other size also can be manufactured, please contact us for detail information.
2) Surface Treatment: Galvanized , Oiled, Painted , Bare
3) End treatment: Beveled , Plain , Threaded
4) Test: Chemical Component Analysis, Mechanical Properties, Technical Properties, Exterior Size Inspection
5)Application: Fence, Construction.
6)Certificate: SGS Inspection
7)Delivery Time: usually in 20--30 days
8) Payment Term: T/T , L/C
Application of Galvanized , Oiled, Painted , Bare Scaffolding Building Structure Pipe BS EN39, A500 A,B,C, D.
A53 A,B.S275, S355, C250, C350
2. Tecnical Data:
Chemical Composition of Raw Materials | Mechanical Property of Raw Materials | ||||||||||
Item | Chemical Composition % | Item | Mechanical Property | ||||||||
Steel | Steel No. | C | Mn | S | P | Si | Al | Steel | Yield point Mpa min | Tensile Strength Mpa | Elongation % min |
S235GT | 1.0106 | < 0.20 | < 1.40 | < 0.045 | < 0.040 | < 0.05 | > 0.020 | S235GT | 235 | 340--520 | 24 |
Other material: A500 A, B, C , D. A53 A, B. S275, S355, C250, C350 | |||||||||||
3. Standard Size for Reference
OD (mm) | WT(mm) | L (mm) | Tolerance (min) (mm) | Zinc Coating g/m2 |
48 -- 48.6 | 2--7 | 300 -- 6000 | WT +/- 0.2 , L - 0 -- + 3 | 280--400 |
application of scaffolding pipe (ERW welded pipe)
- Q: How do you determine the required wall thickness for steel pipes?
- The required wall thickness for steel pipes is determined by considering various factors such as the internal pressure, external loads, pipe material, and the desired safety factor. This is typically calculated using engineering principles, industry standards, and specific pipe design codes to ensure the pipe can withstand the anticipated conditions without failure or deformations.
- Q: How are steel pipes used in water transportation?
- Steel pipes are commonly used in water transportation due to their durability and strength. They can be used for various purposes, such as carrying water from a source to a treatment plant, distributing water to different areas, and even for sewage systems. Steel pipes are highly resistant to corrosion and can withstand high pressure, making them ideal for long-distance water transportation.
- Q: How do steel pipes perform in high-temperature environments?
- Steel pipes perform well in high-temperature environments due to their excellent heat resistance properties. They can withstand elevated temperatures without losing their structural integrity or strength. Additionally, steel pipes have low thermal expansion, which reduces the risk of deformation or cracking under extreme heat. This makes steel pipes a reliable choice for various applications in industries such as oil and gas, power generation, and chemical processing, where high temperatures are common.
- Q: What are the common methods for repairing steel pipes?
- There are several common methods for repairing steel pipes, depending on the nature and extent of the damage. One common method is welding, which involves melting the damaged area and fusing it with a new piece of steel. This method is often used for small cracks or holes in the pipe. Welding can be done using various techniques such as shielded metal arc welding (SMAW), gas metal arc welding (GMAW), or tungsten inert gas (TIG) welding. Another method is pipe wrapping or bandaging, which involves wrapping a layer of adhesive tape or resin-soaked fiberglass around the damaged section of the pipe. This method is suitable for small leaks or corrosion spots and provides a temporary fix until a more permanent solution can be implemented. If the damage is extensive or the pipe is severely corroded, pipe lining or relining may be necessary. This involves inserting a new pipe liner inside the existing one, effectively creating a new pipe within the old one. This method can be done using various materials such as epoxy, polyethylene, or cured-in-place pipe (CIPP). Pipe lining is commonly used for larger diameter pipes or when replacement is not feasible. In some cases, pipe clamps or sleeves can be employed to repair minor leaks or cracks. These devices are designed to be clamped around the damaged section and provide a temporary or permanent solution depending on the severity of the damage. Ultimately, the choice of repair method depends on factors such as the extent of damage, accessibility of the damaged area, budget constraints, and the long-term durability required. It is advisable to consult with a professional pipe repair specialist to assess the specific situation and determine the most suitable method for repairing steel pipes.
- Q: How to distinguish between steel pipe and spiral pipe material?
- Steel pipe according to the pipe material (ie steel) can be divided into: carbon tube and alloy tube, stainless steel tube.Carbon tube can be divided into ordinary carbon steel tube and high quality carbon structure tube.
- Q: How do you calculate the pressure drop in a steel pipe?
- To calculate the pressure drop in a steel pipe, you need to consider several factors such as the diameter and length of the pipe, the flow rate of the fluid, and the properties of the fluid itself. One commonly used equation to calculate the pressure drop in a pipe is the Darcy-Weisbach equation, which is given as: ΔP = (f * (L / D) * (ρ * V^2)) / (2 * D) Where: ΔP is the pressure drop in the pipe f is the Darcy friction factor, which depends on the pipe roughness and Reynolds number L is the length of the pipe D is the diameter of the pipe ρ is the density of the fluid V is the velocity of the fluid To calculate the Darcy friction factor, you can use different methods depending on the flow regime. For laminar flow, you can use the formula f = 16 / Re, where Re is the Reynolds number. For turbulent flow, there are several methods to determine the friction factor, such as the Colebrook equation or the Moody chart. It is important to note that the properties of the fluid, such as its viscosity and density, may vary with temperature and pressure. Therefore, it is necessary to consider these variations when calculating the pressure drop. Additionally, it is worth mentioning that there are other factors that can affect the pressure drop in a steel pipe, such as fittings, valves, and elbows. These factors introduce additional losses, which can be accounted for by using appropriate correction factors or by directly measuring the pressure drop across these components. Overall, calculating the pressure drop in a steel pipe involves using the appropriate equations, considering the properties of the fluid, and accounting for the various factors that may affect the flow. It is recommended to consult relevant engineering handbooks or utilize specialized software for accurate calculations.
- Q: What is the purpose of galvanizing steel pipes?
- The purpose of galvanizing steel pipes is to provide them with a protective coating that helps prevent corrosion and extends their lifespan.
- Q: How are steel pipes used in railway infrastructure?
- Steel pipes are used in railway infrastructure for various purposes such as the construction of railway tracks, signaling systems, and drainage systems. They are commonly used as support structures for overhead electrical lines and as conduits for cables and wires. Additionally, steel pipes are used in the fabrication of bridges, tunnels, and platforms, ensuring the overall strength and stability of railway structures.
- Q: What are the different types of valves used with steel pipes?
- There are several types of valves commonly used with steel pipes, including ball valves, gate valves, globe valves, check valves, and butterfly valves.
- Q: What are the different testing methods used for steel pipes?
- There are various testing methods used for steel pipes, including non-destructive testing methods such as ultrasonic testing, magnetic particle testing, radiographic testing, and liquid penetrant testing. These methods help detect any defects or flaws in the pipes, ensuring their quality and integrity. Additionally, destructive testing methods such as tensile testing, impact testing, and hardness testing are also used to evaluate the mechanical properties of the steel pipes.
All these steel pipes are suitable for the industries of oil, natural gas,ship building,chemical, environmental protection,boiler, water conservancy, electrical industry,steel structure, building and other related fields.
1. Manufacturer Overview
| Location | Tianjin, China |
| Year Established | 1997 |
| Annual Output Value | Above Three Million To Five Million RMB |
| Main Markets | Main land |
| Company Certifications | ISO 9001:2010;API 5L; |
2. Manufacturer Certificates
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period |
3. Manufacturer Capability
| a) Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 40% - 50% |
| No.of Employees in Trade Department | 300-500 People |
| Language Spoken: | English; Chinese |
| b) Factory Information | |
| Factory Size: | 40,000 square meters |
| No. of Production Lines | Above 10 |
| Contract Manufacturing | OEM Service Offered; Design Service Offered |
| Product Price Range | Average |
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Scaffolding Building Structure Pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- 5000 Tons Per Month m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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