Welding square rectangular pipe for many varieties of construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 26 m.t.
- Supply Capability:
- 15000 m.t./month
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Specification
1、 Welding square rectangular pipe for many varieties of construction
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、 Welding square rectangular pipe for many varieties of construction
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Welding square rectangular pipe for many varieties of construction
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、 Welding square rectangular pipe for many varieties of construction
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、 Welding square rectangular pipe for many varieties of construction
- Q: Can steel pipes be used for underground irrigation systems?
- Yes, steel pipes can be used for underground irrigation systems. Steel pipes are durable, corrosion-resistant, and can withstand high pressure, making them suitable for underground applications. However, it is important to ensure proper coating and protection against corrosion to maintain their longevity in underground environments.
- Q: Is steel pipe made of profiles?
- According to the shape of the cross-section, the steel is generally divided into profiles, plates, pipes and metal products in four categories.Therefore, the steel pipe belongs to the pipe, not the profile.
- Q: Can steel pipes be used for desalination plants?
- Yes, steel pipes can be used for desalination plants. Steel is often chosen for its high strength, durability, and resistance to corrosion, making it suitable for carrying and transporting the highly saline water used in desalination processes. Additionally, steel pipes can handle high pressure, ensuring efficient water flow throughout the plant.
- Q: What are the common methods for joining steel pipes?
- There are several common methods for joining steel pipes, depending on the specific application and requirements. Some of the most commonly used methods include: 1. Welding: This is one of the most common methods of joining steel pipes. It involves heating the ends of the pipes and applying pressure to fuse them together. Welding can be done using various techniques such as arc welding, MIG welding, TIG welding, or even laser welding. 2. Threaded connections: In this method, the ends of the steel pipes are threaded to create a male and female connection. These threaded ends are then screwed together using pipe threads. Threaded connections are commonly used for smaller diameter pipes and in low-pressure applications. 3. Flanged connections: Flanges are used to join steel pipes in applications that require easy assembly and disassembly or when frequent maintenance is needed. Flanges are flat, circular discs with bolt holes that allow the pipes to be bolted together. The flanges provide a strong and leak-proof connection. 4. Compression fittings: Compression fittings are used to join steel pipes without the need for welding or threading. They consist of a compression nut, a compression ring, and a compression sleeve. The nut is tightened onto the sleeve, compressing it against the pipe, creating a secure connection. 5. Grooved couplings: Grooved couplings are used to join steel pipes by creating a mechanical connection. The pipe ends are grooved, and a gasket is placed between the grooves. The couplings are then tightened, compressing the gasket and creating a tight seal. 6. Soldering or brazing: These methods involve using a filler metal that has a lower melting point than the steel pipes. The filler metal is heated and melted, allowing it to flow between the pipe joints, creating a bond. Soldering is typically used for smaller diameter pipes and low-pressure applications. Each joining method has its advantages and limitations, and the choice of method depends on factors such as the pipe diameter, the application, the working pressure, and the required durability of the joint. It is important to consider these factors and consult industry standards and guidelines when selecting the appropriate method for joining steel pipes.
- Q: Can steel pipes be used for stormwater management systems?
- Yes, steel pipes can be used for stormwater management systems. Steel pipes are commonly used in stormwater management systems for their durability, strength, and resistance to corrosion. They can efficiently transport stormwater runoff, helping to manage and control its flow. Additionally, steel pipes can be customized to meet specific project requirements, making them a versatile choice for stormwater management systems.
- Q: What are the common methods for inspecting the integrity of steel pipes?
- There are several common methods used to inspect the integrity of steel pipes. These methods are crucial to identify any defects or weaknesses in the pipes that could compromise their structural integrity and potentially lead to failures or leaks. 1. Visual Inspection: This is a basic method where an inspector visually examines the external surface of the steel pipe for any signs of damage, such as corrosion, cracks, or deformities. It is a quick and cost-effective method, but it may not detect internal defects. 2. Ultrasonic Testing (UT): UT is a non-destructive testing method that uses high-frequency sound waves to detect flaws in steel pipes. A transducer sends ultrasonic waves into the pipe, and any reflected waves are analyzed to identify defects like cracks or voids. UT is effective for both internal and external inspections and can provide accurate measurements of defect size and location. 3. Magnetic Particle Inspection (MPI): This method is mainly used to detect surface or near-surface defects in ferromagnetic materials like steel. Magnetic particles are applied to the surface of the pipe, and if there is a defect, the particles will gather around it, creating a visible indication. MPI is particularly useful for detecting cracks and other discontinuities that may not be easily visible to the naked eye. 4. Radiographic Testing (RT): RT involves the use of X-rays or gamma rays to inspect the internal structure of steel pipes. The rays pass through the material, and a radiographic film or a digital detector records the image. This method is effective in detecting internal defects such as cracks, voids, or inclusions. However, it requires proper safety precautions due to the use of radiation. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing method that uses electromagnetic induction to assess the integrity of steel pipes. An alternating current is passed through a probe, creating an electromagnetic field. Any changes in the electrical conductivity or magnetic permeability of the material due to defects are detected by the probe, providing information about the pipe's condition. These are some of the common methods used for inspecting the integrity of steel pipes. Each method has its advantages and limitations, and the choice of inspection method depends on factors such as the type of defect to be detected, access to the pipe, and budget constraints. Regular inspection and maintenance using these methods are crucial to ensure the safe and reliable operation of steel pipe systems.
- Q: How are steel pipes specified in engineering drawings?
- Steel pipes are specified in engineering drawings by providing information such as the diameter, thickness, material grade, length, and any additional specifications or requirements such as the type of coating or threading needed.
- Q: What are the different types of steel pipe coatings for corrosion protection?
- There are several types of steel pipe coatings used for corrosion protection, including epoxy coatings, polyethylene coatings, zinc coatings, and coal tar coatings. Each coating offers different levels of protection and is chosen based on the specific application and environmental conditions.
- Q: How are steel pipes protected against corrosion in marine environments?
- Steel pipes are protected against corrosion in marine environments through various methods, such as applying protective coatings, using sacrificial anodes, employing cathodic protection, and implementing corrosion inhibitors.
- Q: How do steel pipes perform in high-temperature applications?
- Steel pipes perform well in high-temperature applications due to their high thermal conductivity and excellent resistance to heat. They can withstand extreme temperatures without deformation or structural failure, making them suitable for transporting hot fluids or gases in industrial processes.
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Welding square rectangular pipe for many varieties of construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 26 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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