Square rectangular tubes of various standard materials
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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Specification
1、 Square rectangular tubes of various standard materials
Square tube, square tube is a kind of call and rectangular tube, is equal and not equal to the length of steel pipe. Is the strip through the process of processing roll system. In general is the strip through the demolition of the package, flat, curly, welded to form a circular tube, and then rolled into a square tube and then cut into a square tube and then cut into the required length.
2、 Square rectangular tubes of various standard materials
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular tubes of various standard materials
Standard | GB, DIN, ASTM |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 1.5 - 25 mm |
Section Shape | Square and rectangular |
Outer Diameter | 20*20 mm-------400*400mm 20*30mm*300*500mm |
Place of Origin | Tianjin, China (Mainland) |
Length | 3-12M |
Outer Diameter | 20*20 mm-------400*400mm 20*30mm*300*500mm |
Grade | 235B 345B |
Standard | ASME, ASTM |
1) Material:(ASTM A 106/A53 GRB.API5LGRB,GB,235B,345B
2) Specification range:OD: 20*30mm----300*500mm 20*20 mm---400*400mm ,WT: 1.5 - 25 mm ,length:3-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut ,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、 Square rectangular tubes of various standard materials
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 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、 Square rectangular tubes of various standard materials
- Q: How are steel pipes protected against mechanical damage during transportation?
- Steel pipes are protected against mechanical damage during transportation through various measures. One common method is the use of protective coating or wrapping materials. These coatings are usually made of materials like plastic, rubber, or epoxy, which provide a physical barrier to protect the pipes from scratches, dents, or other forms of mechanical damage. Another method is the use of padding or cushioning materials such as foam inserts or rubber gaskets. These materials are placed inside the pipes or around them to absorb any impact or shock during transportation. This helps prevent any potential damage caused by bumps or vibrations. In addition, steel pipes are often secured and immobilized within transportation containers using straps, braces, or other securing devices. These measures ensure that the pipes remain stable and do not move or collide with each other, reducing the risk of mechanical damage. Furthermore, proper handling and loading techniques are crucial in protecting steel pipes during transportation. This includes using appropriate lifting equipment, such as cranes or forklifts, to avoid dropping or mishandling the pipes. Additionally, pipes are often stored or stacked in a way that minimizes the risk of deformation or bending. Overall, a combination of protective coatings, cushioning materials, securement devices, and proper handling techniques are employed to safeguard steel pipes against mechanical damage during transportation. These measures help ensure that the pipes arrive at their destination in optimal condition, ready for use in various applications.
- Q: What are the safety considerations when working with steel pipes?
- When working with steel pipes, there are several important safety considerations to keep in mind. Firstly, it is crucial to wear appropriate personal protective equipment (PPE). This includes safety glasses or goggles to protect the eyes from flying debris or sparks, gloves to protect the hands from sharp edges or hot surfaces, and steel-toed boots to protect the feet from falling objects or heavy equipment. Additionally, wearing a hard hat is recommended to protect the head from potential falling objects or overhead hazards. Next, it is important to be aware of the weight and size of steel pipes. Handling heavy pipes can put strain on the back and muscles, so it is essential to use proper lifting techniques and seek assistance when necessary. Using lifting equipment, such as cranes or forklifts, can also help prevent injuries related to heavy lifting. Another safety consideration is the risk of cuts or punctures. Steel pipes can have sharp edges or burrs, so it is important to handle them with care and wear appropriate gloves to reduce the risk of injury. Inspecting pipes for any defects or sharp edges before working with them is also recommended. Furthermore, working with steel pipes may involve welding or cutting, which can produce sparks, heat, and fumes. It is crucial to work in a well-ventilated area or use proper ventilation equipment to ensure the removal of harmful gases or fumes. Fire safety precautions should also be taken, such as having fire extinguishers nearby and following proper procedures for hot work. Lastly, it is important to be aware of potential hazards associated with working at heights or in confined spaces. When working on elevated platforms or scaffolding, fall protection measures, such as safety harnesses or guardrails, should be in place. In confined spaces, proper ventilation and monitoring for hazardous gases are essential to prevent asphyxiation or exposure to toxic substances. Overall, by following these safety considerations and adhering to proper procedures, the risk of accidents or injuries when working with steel pipes can be significantly reduced.
- Q: How are steel pipes used in the construction of buildings?
- Steel pipes are commonly used in the construction of buildings for various purposes. They are primarily used for structural support, providing stability and strength to the overall framework. Steel pipes are also used for plumbing systems, carrying water and other fluids throughout the building. Additionally, they are used for HVAC (heating, ventilation, and air conditioning) systems, allowing for efficient distribution of air. Overall, steel pipes play a crucial role in ensuring the durability, functionality, and safety of buildings.
- Q: How are steel pipes used in water treatment plants?
- Steel pipes are commonly used in water treatment plants for various purposes, such as transporting water from different sources, distributing water to different treatment units, and conveying treated water to storage tanks or distribution networks. They are also used in the construction of infrastructure components like pumping stations, filtration units, and chemical dosing systems. Additionally, steel pipes provide durability, corrosion resistance, and the ability to withstand high pressures, making them suitable for handling the demands of water treatment processes.
- Q: What is the difference between ERW (Electric Resistance Welded) and LSAW (Longitudinal Submerged Arc Welded) steel pipes?
- ERW steel pipes are manufactured using the process of high-frequency electrical current passing through the metal, creating heat that fuses the edges of the steel together. On the other hand, LSAW steel pipes are produced by submerging the steel plate in a welding zone, where an arc is struck and the edges of the plate are melted and fused together. In terms of the welding technique, ERW pipes use electrical resistance while LSAW pipes use submerged arc welding. Additionally, LSAW pipes are typically used for larger diameter and thicker wall thickness applications, while ERW pipes are commonly used for smaller diameter and thinner walls.
- Q: What are steel pipes?
- Steel pipes are cylindrical tubes made from steel that are used for various purposes, such as transporting fluids and gases, structural applications, and construction projects. They are known for their durability, strength, and resistance to corrosion, making them a popular choice in industries such as oil and gas, plumbing, and infrastructure development.
- Q: What is the maximum allowable pressure for steel pipes?
- The maximum allowable pressure for steel pipes typically depends on various factors such as the pipe's diameter, thickness, and material grade. Additionally, it is crucial to consider the intended application and the specific industry standards or codes being followed. Therefore, there is no universal answer to this question, as the maximum allowable pressure can vary significantly depending on these factors. It is essential to consult relevant codes and standards specific to the application to determine the appropriate maximum allowable pressure for steel pipes.
- Q: What are the different methods of pipe repair for steel pipes?
- There are several methods for repairing steel pipes, including spot repair, slip lining, pipe bursting, and pipe relining. Spot repair involves cutting out and replacing a small section of the damaged pipe. Slip lining involves inserting a smaller diameter pipe into the existing pipe to reinforce it. Pipe bursting involves breaking the old pipe while simultaneously installing a new one. Pipe relining involves inserting a liner into the damaged pipe and then curing it in place to create a new, seamless pipe within the existing one. The choice of method depends on the extent and location of the damage, as well as budget and time constraints.
- Q: What kind of argon arc welding wire is used for 16Mn steel pipe?
- JB/T4709 recommends H10MnSi, but H10MnSi allows a lower value of strength of 430MPa, which does not match the parent material. I think American Standard is selected according to the selection of welding wire ER70S-6 GB ER50-6 wire can guarantee the equivalent strength of parent materials, and Si, Mn content can also guarantee the deoxidation effect, the weld joint is not easy to produce pores.
- Q: Are steel pipes suitable for use in nuclear power plants?
- Yes, steel pipes are suitable for use in nuclear power plants. They are commonly used in various applications within the plants, including cooling systems, steam generation, and transporting fluids. Steel pipes offer excellent strength, durability, and resistance to high temperatures and pressures, making them ideal for handling the demanding conditions present in nuclear power plants. Additionally, steel pipes can be designed to meet the specific requirements of nuclear applications, ensuring their safety and reliability.
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Square rectangular tubes of various standard materials
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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