Welded square rectangular tubes for structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 17 m.t.
- Supply Capability:
- 13000 m.t./month
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1、 Welded square rectangular tubes for 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、 Welded square rectangular tubes for structure
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
• High manufacturing accuracy
• High strength
• Small inertia resistance
3、 Welded square rectangular tubes for structure ：
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、 Welded square rectangular tubes for 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、Seamless Pipe ASTM A106/53 Images：
- Q:How do you determine the pipe schedule for steel pipes?
- The pipe schedule for steel pipes is determined based on various factors such as the pipe's nominal size, wall thickness, and the application requirements. The pipe schedule is a standardized system that indicates the thickness of the pipe's wall, which affects its pressure rating and suitability for different applications. Factors like the fluid type, temperature, and pressure it will be subjected to help determine the appropriate pipe schedule to ensure safe and efficient operation.
- Q:Can steel pipes be used for hydroelectric power plants?
- Yes, steel pipes can be used for hydroelectric power plants. Steel pipes are commonly used to transport water in hydroelectric power plants for various purposes such as intake systems, penstocks, and discharge systems. They offer durability, strength, and resistance to corrosion, making them suitable for the challenging environments found in hydroelectric power generation.
- Q:How many meters per ton of steel tube?
- General scaffolding tube diameter 40mm, specifications specify wall thickness of 3.5mm, the actual wall thickness of 3.2 - 3.4mm.The theoretical weight per meter is 3.85kg and the wall thickness is 3mm.Hence a ton of steel is about 260m.
- Q:Seamed steel pipe seamless steel pipe, carbon steel pipe, galvanized pipe, four how to distinguish between
- Welded and seamless steel pipe is divided according to the processing form, usually welded seam steel tube, seamless steel tube drawing and hot two ways, carbon steel is material, galvanized pipe is welded pipe production after the surface is galvanized
- Q:What quota is reserved for buried DN20 steel pipe?
- If it is reserved for embedded pipe pre buried steel waterproof casing, set of waterproof casing steel production and installation is to set the quota items, if the outdoor installation of welded steel pipe buried steel casing pre quota items, if it is a reserved hole, then there is no need to set the quota items.
- Q:How are steel pipes used in the manufacturing of pulp and paper mills?
- Steel pipes are commonly used in the manufacturing of pulp and paper mills for various purposes. They are primarily utilized for transporting water, chemicals, and steam throughout the mill's processes. Steel pipes are also employed for structural support, such as in the construction of storage tanks, conveyors, and equipment frames. Additionally, they are used for providing compressed air, ensuring efficient operation of machinery and processes. Overall, steel pipes play a crucial role in facilitating the smooth functioning and efficient production of pulp and paper mills.
- Q:Can steel pipes be used for flagpoles?
- Yes, steel pipes can be used for flagpoles. Steel pipes are often used for flagpoles due to their strength, durability, and ability to withstand harsh weather conditions. They can be easily fabricated to the desired height and thickness, making them suitable for flags of various sizes. Additionally, steel pipes can be painted or coated to prevent corrosion and enhance their aesthetic appeal.
- Q:What is the diameter of the steel tube DN20?
- Usually the nominal diameter is nominal for cast iron pipe, steel pipe joints, concrete pipe pipe, seamless steel pipe does not use this notation (with diameter * wall thickness). With nominal diameter pipeline accessories, meaning with tube.
- Q:How do you calculate the flow velocity in a steel pipe?
- The flow velocity in a steel pipe can be calculated using the equation: velocity = (flow rate) / (cross-sectional area of the pipe).
- Q:How are steel pipes protected against rusting?
- Corrosion protection is employed to safeguard steel pipes from rusting. Various methods are utilized for preventing the formation of rust on steel pipes, including the following: 1. Coatings: To create a barrier against rust, different coatings are applied to the surface of steel pipes. These coatings prevent oxygen and moisture from reaching the metal surface and initiating the rusting process. Options for coatings include epoxy, polyethylene, zinc, or a combination of these materials. 2. Galvanization: Steel pipes are immersed in a molten zinc bath to undergo galvanization. This process forms a protective layer of zinc on the surface of the pipes, acting as a sacrificial barrier. If any small areas of the pipe surface are exposed, the zinc coating will corrode instead of the steel, providing continuous protection against rust. 3. Cathodic Protection: Electrical current is utilized to safeguard steel pipes in this method. By connecting the pipes to a sacrificial anode, usually made of zinc or magnesium, the anode will corrode instead of the steel pipes when exposed to moisture and oxygen. This method is commonly employed in underground or underwater applications. 4. VCI (Vapor Corrosion Inhibitor) Technology: Chemical compounds are used in VCI technology to release a vapor that protects steel pipes from rusting. These compounds form a thin layer on the surface of the pipes, inhibiting the corrosion process by neutralizing oxygen and moisture. 5. Regular Maintenance: Aside from the aforementioned methods, regular inspection and maintenance play a crucial role in preventing rust formation on steel pipes. This involves cleaning the pipes, removing any accumulated debris or corrosive substances, and repairing any damaged coatings or protective layers. In summary, these corrosion protection methods effectively ensure the longevity and durability of steel pipes in various industrial, commercial, and residential applications by safeguarding them against rusting.
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Welded square rectangular tubes for structure
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 17 m.t.
- Supply Capability:
- 13000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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