Welding square rectangular pipe for many varieties of construction
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 26 m.t.
- Supply Capability:
- 15000 m.t./month
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Item specifice
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:How long do steel pipes last?
- There are several factors that can influence the lifespan of steel pipes. These factors include the quality of the steel used, the installation environment, and the maintenance and care provided to the pipes. Steel pipes are generally recognized for their durability and long life. When properly installed and regularly maintained, steel pipes can endure for many decades, sometimes even surpassing 50 years. However, it is important to consider external factors that can greatly impact their lifespan, such as corrosion, exposure to extreme temperatures, and chemical reactions. To ensure the reliability and functionality of steel pipes for an extended period, it is crucial to conduct regular inspections, make timely repairs, and apply protective coatings.
- Q:What are the different methods of pipe coating for steel pipes?
- There are several different methods of pipe coating for steel pipes, each with its own advantages and applications. One common method is fusion bonded epoxy (FBE) coating. This involves heating the steel pipe and applying a thermosetting powder that melts and adheres to the surface, creating a strong and durable coating. FBE coating provides excellent corrosion protection and is commonly used in the oil and gas industry. Another method is liquid epoxy coating. This involves applying a liquid epoxy resin to the surface of the steel pipe, which then cures and forms a protective barrier. Liquid epoxy coating is often used for smaller diameter pipes and provides good chemical resistance. Polyethylene (PE) coating is another popular method, particularly for pipelines that will be buried underground. PE coating involves wrapping the steel pipe with a layer of polyethylene, which provides excellent resistance to water, chemicals, and abrasion. Polyurethane (PU) coating is another option, offering a high level of chemical resistance and flexibility. It is typically used for offshore applications and in environments with extreme temperatures. Other methods of pipe coating include coal tar enamel (CTE) coating, which provides excellent resistance to water and chemicals, and concrete weight coating, which adds weight to the pipe to ensure stability in underwater or subsea applications. In summary, the different methods of pipe coating for steel pipes include fusion bonded epoxy (FBE), liquid epoxy, polyethylene (PE), polyurethane (PU), coal tar enamel (CTE), and concrete weight coating. The choice of coating method depends on the specific requirements of the application, such as corrosion protection, chemical resistance, or stability.
- Q:What is the difference between steel pipes and cast iron pipes?
- The main difference between steel pipes and cast iron pipes lies in their composition and durability. Steel pipes are made from an alloy of iron and carbon, which results in a strong and durable material. They are highly resistant to corrosion and can withstand high pressure and temperature. On the other hand, cast iron pipes are made from molten iron and have a higher carbon content. While they are also durable and have good pressure-bearing capabilities, they are more prone to rust and corrosion over time. Additionally, cast iron pipes are typically heavier and more brittle compared to steel pipes.
- Q:How do you calculate the pipe volume for steel pipes?
- To calculate the pipe volume for steel pipes, you can use the formula V = πr^2h, where V represents volume, π is a mathematical constant (approximately 3.14159), r is the radius of the pipe, and h is the height or length of the pipe.
- Q:What are the environmental benefits of using steel pipes?
- Using steel pipes has multiple environmental benefits: 1. Longevity: Steel pipes have a prolonged lifespan, minimizing the need for frequent replacements. This conserves resources and reduces waste generation. 2. Recyclability: Steel is extensively recycled worldwide. When steel pipes reach the end of their life, they can be easily recycled and used to produce new steel products. This reduces the demand for raw materials and saves energy that would otherwise be necessary for manufacturing new materials. 3. Decreased carbon emissions: Steel pipes have a lower carbon footprint compared to materials like concrete or plastic. The manufacturing process emits fewer greenhouse gases, contributing to an overall lower carbon footprint. 4. Corrosion resistance: Steel pipes exhibit high resistance to corrosion, requiring less maintenance and repair compared to other materials. This reduces the need for chemical coatings and treatments that can have detrimental environmental effects. 5. Water conservation: Steel pipes are commonly used in water supply and distribution systems. Their smooth interiors minimize friction, reducing the energy required to pump water through the pipes. This conserves energy and decreases carbon emissions associated with water transportation. 6. Fire resistance: Steel pipes are inherently fire-resistant, making them a safer choice for various applications. In the event of a fire, steel pipes help contain the spread of flames and minimize environmental damage. In summary, the use of steel pipes provides numerous environmental benefits, including durability, recyclability, reduced carbon emissions, water conservation, and fire resistance. These factors make steel pipes a sustainable option for various infrastructure projects.
- Q:What are the safety considerations when working with steel pipes?
- When working with steel pipes, safety considerations include wearing appropriate personal protective equipment such as gloves, safety glasses, and steel-toed boots to prevent injuries. It is essential to handle and lift steel pipes using proper techniques and equipment to avoid strains and falls. Ensuring a clean and organized work area, as well as securing pipes to prevent rolling or tipping, reduces the risk of accidents. Additionally, workers should be cautious of sharp edges and ensure proper ventilation when working with welding or cutting tools to minimize the risk of fires or inhalation hazards.
- Q:Can steel pipes be used for water supply lines?
- Yes, steel pipes can be used for water supply lines. Steel pipes are durable and have high tensile strength, making them suitable for carrying water. However, it is important to ensure that the steel pipes are properly treated to prevent corrosion and rusting.
- Q:Can steel pipes be used for water wells?
- Yes, steel pipes can be used for water wells. Steel pipes are commonly used in water well drilling due to their durability, strength, and resistance to corrosion.
- Q:How do steel pipes handle water hammer?
- Steel pipes can effectively handle water hammer by absorbing the pressure surges caused by sudden changes in water flow. The solid and durable nature of steel helps to dampen the impact and prevent damage to the pipes or other components of the plumbing system. Additionally, steel pipes can be designed and installed with appropriate supports, expansion joints, and water hammer arrestors to further mitigate the effects of water hammer.
- Q:How are steel pipes used in bridge construction?
- Steel pipes are commonly used in bridge construction as piling or foundation elements. They are driven into the ground to provide support and stability to the bridge structure. Additionally, steel pipes can be used as structural members in the bridge's superstructure, such as for the construction of bridge piers or trusses, due to their high strength and durability.
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Welding square rectangular pipe for many varieties of construction
- 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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