Welding square rectangular pipe for construction
- 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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Item specifice
Welding square rectangular pipe for construction
1、 Welding square rectangular pipe for 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 construction
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Welding square rectangular pipe for 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 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 construction
- Q:How do you remove rust from steel pipes?
- There exist several methods to eliminate rust from steel pipes: 1. Employ a wire brush or steel wool: Initiate the process by vigorously scrubbing the rusted areas with either a wire brush or steel wool. This action will effectively detach loose rust and flakes from the pipe's surface. 2. Administer vinegar or lemon juice: Immerse a cloth or sponge in white vinegar or lemon juice and generously apply it onto the rusted sections. Allow it to remain undisturbed for several hours or, preferably, overnight. The acidic properties of these substances facilitate the dissolution of the rust. 3. Utilize a rust remover or converter: Numerous rust remover products are readily available on the market. Adhere to the product's instructions and apply it to the affected regions. Typically, these solutions transform rust into a water-soluble compound that can be effortlessly rinsed away. 4. Employ a paste comprising baking soda and water: Combine baking soda with water, creating a thick paste. Apply this paste onto the rusted areas and allow it to sit for a few hours. Proceed to scrub the region using a brush or steel wool before rinsing it off. 5. Experiment with a commercially manufactured rust dissolver: Should the aforementioned approaches fail to yield satisfactory results, it may be worth considering the use of a commercial rust dissolver. These products are specifically designed to eradicate rust from various surfaces, including steel pipes. Comply with the manufacturer's instructions accordingly. Kindly remember to equip yourself with protective gloves, goggles, and a mask when handling rust removal products, as they possess corrosive properties and may release toxic fumes. Furthermore, it is advisable to apply a rust-inhibiting primer or paint subsequent to rust removal to prevent future instances of rusting.
- Q:What does carbon seamless steel pipe mean? What is the difference between a seamless 20# and an ordinary one? What is it used in detail?
- Carbon steel is actually relative to alloy steel, mainly carbon content, and 20# seamless steel is carbon steel! In addition, there are stainless steel, stainless steel is considered a kind of alloy steel, but the processing is not the same, the performance is not the same, good looking outside!The description of the material in alloy steel is actually the content of the metal elements in the steel (usually the percentage number).
- Q:How are steel pipes used in the manufacturing of food and beverage processing plants?
- Steel pipes are commonly used in the manufacturing of food and beverage processing plants due to their durability, cleanliness, and resistance to corrosion. These pipes are utilized for various purposes such as transporting liquids, gases, and ingredients within the plant. They are also essential for the distribution of water, steam, and other fluids required in the production and cleaning processes. Additionally, steel pipes are used for the installation of equipment, such as pumps and valves, ensuring a safe and efficient operation of the plant.
- Q:What is the process of spiral steel tube production?
- 1. open panel inspection: after the steel plate is opened, the product line is entered, and the ultrasonic examination of the whole plate is carried out first.2., flat milling: through the anvil machine to make the original coiled steel flat, and then through the milling machine on the edge of the steel plate two sides milling, so as to achieve the required plate width, plate edge parallelism and groove shape.
- Q:Are steel pipes suitable for solar power plants?
- Yes, steel pipes are suitable for solar power plants. Steel pipes are often used in the construction of solar power plants due to their durability, strength, and resistance to corrosion. They can be used for various purposes in a solar power plant, including the transportation of fluids such as water or heat transfer fluids, as well as providing structural support for solar panels and other equipment. Steel pipes are capable of withstanding high temperatures and pressure, making them ideal for the efficient operation of solar power plants. Additionally, steel pipes are readily available and cost-effective, making them a popular choice in the construction of solar power plants.
- Q:What are the advantages of using stainless steel pipes?
- There are several advantages of using stainless steel pipes. Firstly, stainless steel pipes have excellent corrosion resistance, making them suitable for a wide range of applications, including industrial, commercial, and residential plumbing systems. They can withstand harsh environments, chemicals, and high temperatures without deteriorating or rusting. Secondly, stainless steel pipes have high strength and durability, ensuring long-term reliability and reducing the need for frequent repairs or replacements. They can handle high pressure and stress, making them suitable for transporting fluids and gases in various industries. Additionally, stainless steel pipes are hygienic and easy to clean, making them ideal for applications in the food, beverage, and pharmaceutical industries. They are resistant to bacterial growth and contamination, ensuring the integrity and safety of the transported materials. Furthermore, stainless steel pipes are aesthetically pleasing and can be easily customized to fit different design requirements. They offer a sleek and modern appearance, making them suitable for architectural and decorative purposes. Overall, the advantages of using stainless steel pipes include corrosion resistance, durability, strength, hygiene, and aesthetic appeal, making them a reliable and versatile choice for various industries and applications.
- Q:How can galvanized steel pipe be connected with stainless steel pipe?
- Attention should be paid to the zinc coating at the side of the groove before welding. It is OK to brush silver powder after welding. There is a lot of information about the welding of carbon steel and stainless steel. Just check it online.
- Q:How do you calculate the pipe pressure drop coefficient for steel pipes?
- To calculate the pipe pressure drop coefficient for steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe length, diameter, roughness, and fluid flow rate. The coefficient can be determined using empirical correlations or charts based on these parameters, ensuring accurate estimation of pressure drop in steel pipes.
- Q:How are steel pipes used in the manufacturing of automotive exhaust systems?
- Steel pipes are used in the manufacturing of automotive exhaust systems as they provide durability, strength, and corrosion resistance required to withstand high temperatures and harsh conditions. These pipes are used to transport exhaust gases from the engine to the rear of the vehicle, ensuring efficient emission control and noise reduction.
- Q:Are steel pipes suitable for use in automotive industries?
- Yes, steel pipes are suitable for use in automotive industries. Steel pipes offer high strength, durability, and resistance to corrosion, making them ideal for various applications in the automotive sector, such as exhaust systems, suspension systems, and fuel delivery systems. Steel pipes can withstand high temperatures and pressures, ensuring reliable performance and safety in automotive vehicles.
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Welding square rectangular pipe for construction
- 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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