Square rectangular tube for multi variety of engineering construction
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 17000 m.t./month
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1、Structure of Square rectangular tube for multi variety of engineering 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、Main Features of Square rectangular tube for multi variety of engineering construction:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular tube for multi variety of engineering constructionSpecification：
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、FAQ of Square rectangular tube for multi variety of engineering 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、 Square rectangular tube for multi variety of engineering construction Images：
- Q:Are steel pipes resistant to fire?
- Yes, steel pipes are highly resistant to fire due to their high melting point and ability to withstand intense heat and flames.
- Q:What are the safety precautions when working with steel pipes?
- When working with steel pipes, some important safety precautions to follow include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. Additionally, it is essential to ensure proper ventilation in the work area to prevent the accumulation of hazardous fumes or gases. Using the correct tools and equipment, such as pipe wrenches and clamps, and following proper lifting techniques are crucial to avoid strains or back injuries. Regular inspection and maintenance of the pipes and equipment are also necessary to prevent any potential accidents. Lastly, it is important to receive proper training and follow established safety procedures to minimize risks and promote a safe working environment.
- Q:What are the limitations of using steel pipes?
- Using steel pipes in various applications has several limitations. Firstly, the cost of steel pipes compared to materials like plastic or copper can be quite high. This can be a significant drawback for projects with limited budgets. Secondly, steel pipes are susceptible to corrosion. Exposure to moisture and certain chemicals over time can cause rust and deterioration. This can lead to leaks, reduced structural integrity, and the need for expensive repairs or replacement. Another limitation is the weight and rigidity of steel pipes. They are generally heavier and less flexible than other types of pipes, making installation and maneuvering more challenging in certain settings. Additionally, their rigid nature makes them less suitable for applications requiring movement or flexibility. Furthermore, steel pipes can experience thermal expansion and contraction. Extreme temperatures can cause them to expand or contract, potentially stressing joints, fittings, or other components. This can lead to leaks or even pipe failure if not properly addressed. Lastly, steel pipes are not as resistant to certain chemicals or substances as other materials. Some chemicals can corrode or erode the inner lining, compromising integrity and potentially causing contamination or leakage. While steel pipes have advantages, it is important to consider these limitations when selecting the most suitable material for a specific application.
- Q:How can two smooth steel pipes be joined? The size of the two pipe is different (except for welding)
- Butt fastener: used for connecting two steel pipe jointsThin-walled stainless steel pipe, the national standard consists of three parts, respectively on the thin stainless steel pipe connection, the sealing ring of raw materials of various specifications of O type thin wall stainless steel pipe diameter and wall thickness of pipe and rubber have clear requirements, in order to ensure the quality of the whole pipeline, pipeline safety and guarantee system durability. The connection mode is clamp type and ring type.
- Q:Can steel pipes be used for underground sprinkler systems?
- Yes, steel pipes can be used for underground sprinkler systems. However, it is important to note that steel pipes are not as commonly used as other materials like PVC or polyethylene due to their susceptibility to corrosion. If steel pipes are chosen for this application, they should be coated or lined to protect them from underground moisture and ensure their longevity.
- Q:Can steel pipes be used for conveying chemicals?
- Steel pipes are capable of conveying chemicals. Steel, being a robust and long-lasting material, can endure high pressure and temperature conditions. This makes it suitable for the transportation of diverse chemicals. Moreover, steel pipes possess exceptional resistance against corrosion, which is particularly crucial when handling corrosive substances. They find common usage in industries such as oil and gas, chemical processing, and water treatment, where the secure and efficient conveyance of chemicals is indispensable. However, it is essential to consider the specific requirements of the chemical being transported and ensure compatibility with the steel pipe. It may be necessary to select the appropriate material, including the utilization of corrosion-resistant coatings or linings, to prevent any adverse reactions between the chemicals and the steel pipe.
- Q:How do you protect steel pipes from external damage?
- There are several ways to ensure the protection of steel pipes from external damage: 1. Coating: To prevent external damage, it is advisable to apply a protective coating on the surface of the steel pipes. Different coating options such as epoxy, polyethylene, and fusion bonded epoxy (FBE) can be used. These coatings act as a barrier between the pipes and the surrounding environment, safeguarding them from corrosion, abrasion, and other external factors. 2. Cathodic Protection: Another method to protect the steel pipes from corrosion is by implementing cathodic protection. This involves connecting a less noble metal, either through sacrificial anodes or an impressed current, to the pipes. By doing so, the corrosive elements are attracted to the sacrificial metal, sacrificing it instead of the pipes. This process helps increase the pipes' lifespan and shields them from external damage. 3. Wrapping and Taping: To provide an additional layer of protection, it is recommended to wrap the steel pipes with materials like polyethylene or polypropylene tapes. These tapes act as a barrier against moisture, chemicals, and physical impact, ensuring the pipes are shielded from external damage. Additionally, heat shrink sleeves can be utilized to offer insulation and safeguard against corrosion. 4. Underground Installation: Proper installation techniques are crucial for safeguarding steel pipes from external damage. This includes ensuring appropriate trench depth, using suitable backfill materials, and avoiding excessive bending or stress during the installation process. Employing proper bedding and padding techniques also contributes to the pipes' protection against external factors. 5. Regular Inspection and Maintenance: It is essential to conduct periodic inspections and maintenance to detect any signs of external damage early on. This can involve visual inspections, non-destructive testing, or the utilization of advanced technologies such as pipeline integrity management systems. Timely repairs and maintenance help prevent further damage and extend the lifespan of the steel pipes. In conclusion, protecting steel pipes from external damage necessitates a combination of preventative measures, proper installation techniques, and regular maintenance. By implementing these strategies, the integrity of the pipes can be preserved, preventing corrosion, abrasion, impact, and other factors that could compromise their structural integrity.
- Q:What are the different types of steel pipe fittings for industrial applications?
- There are several types of steel pipe fittings commonly used in industrial applications, including elbows, tees, reducers, couplings, flanges, and unions. These fittings are designed to connect and redirect the flow of fluids or gases within a piping system, ensuring proper functionality and efficiency in various industrial processes.
- Q:What does seamless steel tube mean? What are the main uses? What are the classifications?
- The production process of seamless steel tube in general can be divided into two kinds of hot rolling and cold drawing, cold-rolled seamless steel pipe production process than hot-rolled billet to complex, first to three roller rolling and extrusion to sizing test, if the tube through the cutting machine cutting surface without crack growth response after cutting blank about one meter. Then enter the annealing process, annealing and pickling to use acid pickling liquid, should pay attention to the surface if there are a lot of bubbling, if there are a large number of bubbling pipe shows that the quality is not up to the standard. The appearance of cold rolling seamless steel tube shorter than hot-rolled seamless steel pipe, cold rolled seamless steel pipe wall thickness is generally higher than hot-rolled seamless steel pipe to be small, but the surface looks better than thick wall seamless steel pipe is more bright, rough surface is not too much, not too much burr diameter.
- Q:Are steel pipes resistant to corrosion?
- Yes, steel pipes are resistant to corrosion due to the protective layer formed by the oxide film on their surface. However, their resistance can vary depending on the specific type of steel and the conditions they are exposed to.
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Square rectangular tube for multi variety of engineering construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 17000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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