Scaffolding Black Steel Tube

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Loading Port:: China Main Port

Payment Terms:: TT OR LC

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Quick Details

Thickness:	0.5 - 20 mm			Outer Diameter:	20 - 660 mm
Place of Origin:	TIA,Tianjin China(Mainland) China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Structure Pipe,fluid pipe, oil pipe, gas pipe
Technique:	ERW	Certification:	BV	Surface Treatment:	painting
Special Pipe:	Thick Wall Pipe	Alloy Or Not:	Non-alloy	color:	black
certificate:	ISO9001	Key word:	black steel pipe	Thicknss tolerance:	-/+3%
Payment:	T/T L/C	pipe end:	plained end or bevelled end	Packaging Detail:	in bundles,knit bags, plywood box and so on
Grade:	20#,A53(A,B),A106(B,C),A333,St37,St52,Q235,Q345,Q195,10#-45#,A53-A369,ST35-ST52,Q195-Q345	Standard:	BS 1387,BS EN10025,BS 4568,BS EN 39,BS EN10217,GB/T 3091-2001,ASTM A106-2006,ASTM A53-2007,BS,GB,ASTM

Packaging & Delivery

Packaging Detail:	1) Bundle, 2) In Bulk 3) Bags 4) Clients' Requirements
Delivery Detail:	within 10-15 days after receipt deposit or irrevocable LC

Specifications

black scaffolding steel tube
1. OD: 21.3mm---------219.1mm
Thickness: 1.0mm-------10mm
2. Length: 5.

First: Company introduce

We are Professional manufacturer for GALVANIZED PIPE,ERW SQUARE HOLLOW SECTION,BLACK PIPE.

Founded on May 1st,2005,situated in Xizhaizhuang Town Industrial Estate,Tianjin..Thanks to good quality and a great veriety,our products are very popular among new and old customers and are export to such regions and countries as Southeast Asia and Middle East.

Second: Product Information

Black steel pipe/tubes

1. OD: 20mm-----219mm WT:2.0mm----10mm

2. Tolerance: Thinckness,+/-0.05mm; Length,+/-10mm

3.Material: S235JR

4.Standard: ASTM/BS/GB/DIN

5.Surface: Varnish

6.Moq: 5ton

7. Usage: Greenhouse,Scaffold,highway,bridge

8.Payment:30%T/T advance+70%upon presentig shipping documents.

9. Trade Terms: CFR,CIF,FOB

Third: Size

Stock erw steel pipe

O.D (inch)	W.T.(mm)
1/2”	1.4--2.75
3/4”	1.4--2.75
1”	1.4--3.5
1-1/4”	1.4--3.5
1-1/2”	1.4--3.75
2”	1.4--4.0
4”	1.4--5.75
5”	1.4--7.75
6”	1.4--7.75
8”	2.75--11.75

Q:What are the common uses for steel tube couplers in scaffolding?: Steel tube couplers are commonly used in scaffolding to connect and secure steel tubes together, forming a stable and reliable framework. These couplers allow for the assembly and disassembly of scaffolding structures, ensuring safety and stability for workers who need to access elevated areas for construction, maintenance, or other purposes.

Q:How do you calculate the number of steel tube couplers required for a scaffolding project?: To calculate the number of steel tube couplers required for a scaffolding project, you need to consider a few factors. First, determine the total length of the steel tubes that will be used in the project. This can be done by measuring the distance between the highest and lowest points of the scaffolding structure, as well as any additional horizontal or diagonal members. Next, you need to decide on the spacing between each steel tube. This is typically determined by industry standards or regulations, which may vary depending on the specific requirements of the project. Once you have the total length and spacing, you can calculate the number of couplers needed. For each joint where two steel tubes meet, you will need one coupler. So, divide the total length of the steel tubes by the spacing to determine the number of joints, and consequently, the number of couplers required. It is also important to consider any additional factors that may affect the number of couplers needed. For example, if there are any corners or angles in the scaffolding structure, additional couplers may be required to support those connections. Lastly, it is always a good practice to add a few extra couplers to your calculation as a contingency for unexpected changes or replacements during the construction process. By following these steps and considering the specific requirements of your scaffolding project, you can accurately calculate the number of steel tube couplers needed.

Q:Can steel tube couplers be used for scaffolding projects with complex load transfer mechanisms?: Yes, steel tube couplers can be used for scaffolding projects with complex load transfer mechanisms. Steel tube couplers are widely used in the construction industry for connecting and joining scaffolding tubes. They provide a secure and reliable connection, ensuring the stability and strength of the scaffolding structure. When it comes to complex load transfer mechanisms, steel tube couplers offer several advantages. Firstly, they can handle heavy loads and are designed to distribute the weight evenly, minimizing the risk of structural failure. Additionally, steel tube couplers provide flexibility in terms of adjusting the angles and positioning of scaffolding tubes, allowing for customization and adaptation to different load requirements. Moreover, steel tube couplers are highly durable and resistant to wear and tear, making them suitable for long-term and demanding projects. They are also easy to install and dismantle, making it convenient to modify or reconfigure the scaffolding structure as needed. However, it is important to ensure that the appropriate type and size of steel tube couplers are selected for the specific project requirements. Complex load transfer mechanisms may require specialized couplers that are specifically designed to handle the unique load distribution and transfer characteristics. Consulting with a structural engineer or a scaffolding expert can help determine the most suitable couplers for the project. Overall, steel tube couplers are a reliable and effective solution for scaffolding projects with complex load transfer mechanisms. They provide strength, stability, and versatility, making them an ideal choice for a wide range of construction applications.

Q:What are the different types of steel tube couplers available?: There is a variety of steel tube couplers to choose from, each with its own distinctive design and purpose. 1. Sleeve Couplers: The most commonly used steel tube couplers are sleeve couplers. They consist of a cylindrical sleeve with internal threads on both ends. By screwing the sleeve onto the threaded ends of the tubes, these couplers effectively join two steel tubes together. 2. Swivel Couplers: For connecting steel tubes at any angle, swivel couplers are the ideal choice. They have a swivel mechanism that allows for different orientations of the tubes. Swivel couplers find extensive use in scaffolding applications where flexibility in positioning is crucial. 3. Right-Angle Couplers: Designed specifically for connecting steel tubes at a 90-degree angle, right-angle couplers provide stability and rigidity in construction projects. With a fixed angle, they ensure a secure connection. 4. Putlog Couplers: When it comes to connecting steel tubes to walls or other structural elements, putlog couplers are the go-to option. They feature a flat plate with holes that are used to fasten the tube to the surface. In scaffolding systems, putlog couplers offer support and stability. 5. Half Couplers: To attach a steel tube to a flat surface, such as a wall or a beam, half couplers are the ideal solution. They have a flat plate with an opening that allows for the insertion of the tube, which can then be secured using bolts or screws. Half couplers find common use in construction projects that require the attachment of a tube to a fixed structure. 6. Beam Clamps: Beam clamps serve as specialized couplers for connecting steel tubes to beams or overhead structures. They feature a clamp mechanism that securely attaches them to the beam, providing a stable connection point for the tube. These examples highlight the diverse options available for steel tube couplers. The selection of the appropriate coupler depends on the specific application and project requirements. Ensuring a safe and secure connection between steel tubes necessitates the careful choice of the right coupler.

Q:Can steel tube couplers be used in scaffolding applications with curved or irregular shapes?: Steel tube couplers can be used in scaffolding applications with curved or irregular shapes, but it may require additional measures and expertise to ensure proper installation and stability. The primary purpose of steel tube couplers in scaffolding is to connect and secure the tubes together to form a stable structure. While they are commonly used in straight, vertical or horizontal configurations, they can also be utilized for scaffolding structures with curved or irregular shapes. However, when working with curved or irregular shapes, it is important to consider the specific requirements and limitations of the steel tube couplers being used. The design and specifications of the couplers should be assessed to ensure they can accommodate the varying angles and shapes of the scaffolding structure. In some cases, additional components or specialized couplers may be necessary to create the desired curved or irregular shape. These could include swivel couplers, adjustable couplers, or other specialized connectors that allow for flexibility and adjustment. Furthermore, it is crucial to consult with experienced scaffolding professionals or engineers who can provide guidance and expertise in designing and constructing scaffolding systems with curved or irregular shapes. They can analyze the specific requirements of the project and recommend the appropriate couplers and techniques to ensure the stability and safety of the scaffolding structure. Overall, while steel tube couplers can be used in scaffolding applications with curved or irregular shapes, it is essential to carefully consider the specific requirements and seek professional advice to ensure proper installation and structural integrity.

Q:Are steel tube couplers resistant to UV exposure?: Steel tube couplers are known for their general resistance to UV exposure. They have the ability to endure various environmental conditions, including exposure to UV radiation from the sun. However, it is crucial to acknowledge that the degree of resistance may differ based on the particular steel type utilized and the quality of the protective coatings applied to the couplers. Furthermore, extended and intense UV exposure can slowly deteriorate the protective coatings, potentially resulting in some corrosion or discoloration over time. Consequently, it is advised to consistently inspect and upkeep steel tube couplers to guarantee their sustained durability and functionality.

Q:Are steel tube couplers resistant to extreme weather conditions?: Yes, steel tube couplers are generally resistant to extreme weather conditions. Steel is a highly durable material that can withstand harsh weather conditions such as extreme temperatures, heavy rainfall, and high winds. The strength and resilience of steel make it ideal for use in construction and infrastructure projects, including the use of steel tube couplers. These couplers are specifically designed to connect steel tubes together, providing a strong and reliable connection that can withstand various weather conditions. Additionally, steel tube couplers are often coated or galvanized to enhance their resistance to corrosion, further ensuring their longevity and ability to withstand extreme weather conditions. Overall, steel tube couplers are a reliable and durable choice for applications that require resistance to extreme weather conditions.

Q:What are the typical material specifications for steel tube couplers?: Steel tube couplers can have varying material specifications depending on their specific application and adherence to industry standards. Some commonly seen material specifications for steel tube couplers are as follows: 1. Material Grade: Carbon steel is frequently used for steel tube couplers due to its strength and durability. The specific grade of carbon steel can vary, with popular choices being ASTM A36, ASTM A572, and ASTM A500. 2. Tensile Strength: Steel tube couplers must possess a high tensile strength to withstand the loads and pressures they will encounter. Typical tensile strength requirements for steel tube couplers range from 50,000 to 70,000 pounds per square inch (PSI). 3. Yield Strength: The yield strength of steel tube couplers is crucial as it signifies the maximum stress the coupler can bear before permanent deformation occurs. Common yield strength requirements for steel tube couplers range from 30,000 to 50,000 PSI. 4. Elongation: Elongation refers to the ability of the steel tube coupler to stretch before fracturing. Higher elongation values indicate greater ductility and resistance to brittle failure. Typical elongation requirements for steel tube couplers range from 20% to 30%. 5. Chemical Composition: The chemical composition of the steel used in tube couplers can vary, but it typically consists of iron as the base element, along with small quantities of carbon, manganese, silicon, and other elements. The precise composition depends on the desired mechanical properties and any specific industry standards. 6. Coating or Surface Finish: Additional coatings or surface finishes may be applied to steel tube couplers to enhance corrosion resistance, improve aesthetics, or provide better grip. Common options include galvanization, powder coating, or painting. It is important to note that these are general specifications, and for specific applications, industry standards and regulations may require more stringent requirements for steel tube couplers. Therefore, consulting the relevant standards and guidelines is essential to ensure compliance and optimal performance.

Q:Are steel tube couplers suitable for use in corrosive or chemical environments?: No, steel tube couplers are not suitable for use in corrosive or chemical environments. Steel is susceptible to corrosion when exposed to chemicals or corrosive elements such as acids, bases, or saltwater. In such environments, the steel will gradually deteriorate, leading to reduced strength and compromised structural integrity. To ensure safety and longevity in corrosive or chemical environments, it is advisable to use couplers made from materials specifically designed to resist corrosion, such as stainless steel or plastic.

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