National standard square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 9800 m.t./month
OKorder Service Pledge
OKorder Financial Service
You Might Also Like
Specification
1、Structure of National standard square rectangular tube:
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 National standard square rectangular tube:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 National standard square rectangular tube Specification：
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 National standard square rectangular tube:
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、 National standard square rectangular tube Images：
- Q: What is the dimensional stability of steel pipes?
- The ability of steel pipes to retain their shape and dimensions in different conditions and external forces is referred to as dimensional stability. Steel pipes are well-known for their exceptional dimensional stability due to the inherent properties of the material. Steel, being a strong and rigid material, can maintain its shape even when subjected to high pressure or temperature fluctuations. This characteristic makes steel pipes highly suitable for applications that demand stability and resistance to deformation, such as plumbing, oil and gas pipelines, and structural supports. In addition to its inherent strength, the dimensional stability of steel pipes is also a result of their manufacturing processes. These pipes are typically produced using methods like seamless or welded construction, ensuring uniformity and consistent dimensions throughout the pipe's length. This precise manufacturing contributes to the dimensional stability of steel pipes. Furthermore, steel pipes are often coated with various protective coatings to increase their resistance to environmental factors. These coatings, such as galvanization or epoxy coatings, not only provide corrosion protection but also enhance the dimensional stability of the pipes by adding an extra layer of strength and durability. In conclusion, the widespread use of steel pipes in different industries is largely attributed to their dimensional stability. Their ability to maintain their shape and dimensions, even in challenging conditions, guarantees reliable and long-lasting performance in various applications.
- Q: What are the specific differences between flexible pipes and rigid pipes?
- Watch from outside:The rigid waterproof sleeve is made up of steel bushing and wing ring, and the structure is simple;The flexible waterproof sleeve mainly consists of flange sleeve, sealing ring, flange, pressure plate, wing ring, bolt and nut. The structure is complicated.
- Q: What is the maximum length of steel pipes available in the market?
- The maximum length of steel pipes available in the market can vary depending on various factors such as the type of steel, manufacturing capabilities, transportation limitations, and customer requirements. However, in general, steel pipes can be manufactured in lengths of up to 12 meters (40 feet) or even longer. It is important to note that longer lengths may be more challenging to handle and transport, and may require specialized equipment or techniques. Ultimately, the maximum length of steel pipes available in the market will be determined by the specific needs and capabilities of the industry and customers.
- Q: Can steel pipes be used for oil and gas transportation?
- Indeed, steel pipes are capable of being employed for the transportation of oil and gas. In the oil and gas sector, steel pipes are extensively utilized owing to their robustness, longevity, and capacity to withstand high-pressure environments. They are frequently employed for the conveyance of crude oil, natural gas, and related substances across extensive distances. Steel pipes exhibit exceptional resistance to corrosion and are capable of enduring extreme temperatures, thus rendering them suitable for both onshore and offshore applications. Moreover, steel pipes can be easily welded, facilitating the construction of intricate pipeline networks that efficiently transport oil and gas from production fields to refineries and distribution centers.
- Q: How long are the seamless tubes? Are they six meters long?
- The length of the seamless tube is 3000~12000mm, including 6 meters.
- Q: Are steel pipes resistant to impact?
- Yes, steel pipes are generally resistant to impact due to their strong and durable nature. They can withstand heavy loads and external forces, making them suitable for applications that involve high-pressure environments or potential impact scenarios.
- Q: How are steel pipes used in the telecommunications infrastructure industry?
- Steel pipes are commonly used in the telecommunications infrastructure industry as conduits for fiber optic cables. These pipes provide protection and support for the cables, ensuring efficient and reliable communication networks.
- Q: What are the different sizes available for steel pipes?
- Steel pipes are available in a wide range of sizes, ranging from small diameters as small as 1/8 inch to larger diameters exceeding 72 inches. The sizes of steel pipes are typically measured based on their outside diameter (OD) and wall thickness, with various standard sizes available to meet different application requirements.
- Q: Can steel pipes be used for bridge construction?
- Yes, steel pipes can be used for bridge construction. Steel pipes are commonly used in bridge construction due to their high strength, durability, and ability to withstand heavy loads. They offer excellent structural support, making them suitable for various bridge components such as piers, columns, and beams. Additionally, steel pipes can be easily fabricated, transported, and assembled, making them a popular choice in the construction industry.
- Q: What are the common welding techniques used for steel pipes?
- The common welding techniques used for steel pipes include shielded metal arc welding (SMAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW).
Send your message to us
National standard square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 15 m.t.
- Supply Capability:
- 9800 m.t./month
OKorder Service Pledge
OKorder Financial Service
Similar products
Hot products
Hot Searches
Related keywords
