Square rectangular tube for high quality structure hot sell
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 9000 m.t./month
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Specification
1、Structure of Square rectangular tube for high quality structure
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 high quality structure:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular tube for high quality structureSpecification：
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,plastic capped,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 high quality structure:
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 high quality structure Images：
- Q: How are steel pipes classified based on their schedule?
- Steel pipes are classified based on their schedule, which refers to the wall thickness of the pipe. The schedule classification system includes different numbers such as 5, 10, 40, 80, etc., which indicate the thickness and strength of the steel pipe.
- Q: Can steel pipes be used for water supply systems?
- Yes, steel pipes can be used for water supply systems. Steel pipes are commonly used in water supply systems due to their durability, strength, and resistance to corrosion. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential leaching of metals into the water supply. Additionally, regular maintenance and inspection is necessary to prevent any damage or deterioration that could affect the overall integrity of the water supply system.
- Q: How do you select the right size of steel pipe for a project?
- To select the right size of steel pipe for a project, it is important to consider factors such as the desired flow rate, pressure requirements, fluid type, and the overall structural design. Consulting relevant design codes and standards, performing calculations based on these parameters, and seeking expert advice can help ensure the appropriate size is chosen to meet the project's specific needs.
- Q: How are steel pipes protected against underground corrosion?
- Steel pipes are typically protected against underground corrosion through various methods such as coating the pipes with corrosion-resistant materials like epoxy or polyethylene, cathodic protection using sacrificial anodes or impressed current systems, and regular inspection and maintenance to detect and address any signs of corrosion.
- Q: What are the factors that affect the lifespan of steel pipes in different environments?
- The factors that affect the lifespan of steel pipes in different environments include the pH level of the surrounding soil or water, presence of corrosive chemicals, humidity and moisture levels, exposure to extreme temperatures, mechanical stress or pressure, and the quality of protective coatings or corrosion inhibitors applied to the pipes.
- Q: How do you clean steel pipes?
- To clean steel pipes, you can start by flushing them with water to remove any loose debris or dirt. Next, you can use a suitable cleaning solution specifically designed for steel pipes and apply it using a brush or sponge. Scrub the pipes thoroughly, paying attention to any stubborn stains or buildup. Rinse the pipes with water again to remove the cleaning solution, and finally, dry them thoroughly to prevent rusting.
- Q: How do you calculate the flow rate of water in steel pipes?
- To calculate the flow rate of water in steel pipes, you need to consider the pipe's diameter, length, and the pressure difference across the pipe. Using formulas like the Darcy-Weisbach equation or the Hazen-Williams equation, you can determine the flow rate by plugging in these variables along with the fluid properties.
- Q: What is the difference between standard wall thickness and extra-strong wall thickness steel pipes?
- The main difference between standard wall thickness and extra-strong wall thickness steel pipes lies in their thickness and durability. Standard wall thickness pipes have thinner walls and are suitable for most general applications, while extra-strong wall thickness pipes have thicker walls and are designed for heavy-duty or high-pressure applications. These extra-strong pipes offer enhanced strength and resistance, making them more reliable and suitable for handling extreme conditions or demanding projects.
- Q: What are the different standards and specifications for steel pipes?
- There are several different standards and specifications for steel pipes, including ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and ANSI (American National Standards Institute). These standards outline the requirements for various aspects of steel pipes such as dimensions, material composition, mechanical properties, and testing methods. Additionally, there are specific standards for different applications, such as oil and gas pipelines, structural pipes, and water supply systems, which further define the specifications and performance criteria for steel pipes.
- Q: How are steel pipes cleaned and flushed?
- Steel pipes are cleaned and flushed using a variety of methods. One common method is high-pressure water jetting, where water is forcefully sprayed through the pipes to remove debris and sediments. Chemical cleaning agents are also used to dissolve any stubborn deposits. Additionally, mechanical methods such as using wire brushes or pigs (devices inserted into the pipes to scrape the interior) can be employed to remove any remaining buildup. Regular maintenance and inspection are crucial to ensure the cleanliness and efficiency of steel pipes.
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Square rectangular tube for high quality structure hot sell
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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