Square rectangular pipes of various standard materials
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 15000 m.t./month
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Item specifice
1、 Square rectangular pipes of various standard materials
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、 Square rectangular pipes of various standard materials
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular pipes of various standard materials
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.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、 Square rectangular pipes of various standard materials
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 pipes of various standard materials
- Q:How are steel pipes tested for quality control?
- Steel pipes are tested for quality control through various methods such as visual inspection, dimensional checks, and non-destructive testing techniques including ultrasonic testing, magnetic particle inspection, and hydrostatic pressure testing. These tests ensure that the pipes meet the required specifications, standards, and structural integrity, ensuring their quality and reliability.
- Q:What are the different types of steel pipe coatings for underground applications?
- The different types of steel pipe coatings for underground applications include fusion bonded epoxy (FBE), polyethylene (PE), polyurethane (PU), and coal tar enamel (CTE).
- Q:How are steel pipes sized and classified?
- The primary criteria for sizing and categorizing steel pipes are their outer diameter (OD) and wall thickness. This standardization ensures compatibility and ease of use across different applications. The common approach to sizing steel pipes is through nominal pipe size (NPS), a North American standard that refers to a pipe's OD. NPS sizes span from 1/8 inch to 36 inches, with each size corresponding to a specific OD. For instance, a 1/2-inch NPS pipe has an OD of 0.84 inches, while a 12-inch NPS pipe has an OD of 12.75 inches. It's important to note that the pipe's OD may not precisely match its actual measurement due to historical dimensions. Moreover, steel pipes are categorized into various schedules, which indicate the wall thickness. The most common schedules are SCH 5, SCH 10, SCH 40, SCH 80, and SCH 160, with higher numbers representing thicker walls. These schedules are standardized and aid in selecting the appropriate pipe for specific applications. Additionally, steel pipes can be further classified based on their end connections. The typical types include threaded, plain-end, and socket-weld connections. Threaded pipes possess screw threads on both ends, facilitating easy assembly and disassembly. Plain-end pipes lack threads and are typically joined using welding techniques. Socket-weld pipes have a socket-like end that enables welding with a corresponding fitting. In conclusion, steel pipes undergo sizing and classification based on their outer diameter, wall thickness, and end connections. The nominal pipe size (NPS) denotes the outer diameter, while the schedule number represents the wall thickness. Understanding the sizing and classification of steel pipes is crucial when selecting the appropriate pipe for specific applications in industries like construction, oil and gas, plumbing, and manufacturing.
- Q:What is the fatigue strength of steel pipes?
- The fatigue strength of steel pipes refers to the maximum stress level that the pipes can endure without experiencing fatigue failure or damage over a given number of stress cycles. It varies depending on factors such as the steel composition, manufacturing process, pipe dimensions, and environmental conditions.
- Q:What are the common sizes of steel pipes?
- The common sizes of steel pipes vary widely, but some common diameters range from 1/8 inch to 36 inches, with wall thicknesses typically ranging from Schedule 10 to Schedule 160.
- Q:What's the use of steel pipe?
- (processing workshop of Tianjin steel pipe company as a result of the steel pipe truss structure, the actual steel saving up to 42.9%), with a steel pipe manufacturing highway bridge can not only save steel, simplify the construction, but also can greatly reduce the coated area, saving investment and maintenance costs.
- Q:How do steel pipes compare to other materials in terms of cost?
- Steel pipes are generally more cost-effective compared to other materials due to their durability and longevity. While the initial investment may be higher, their lower maintenance and replacement costs make them a more economical choice in the long run. Additionally, steel pipes can withstand harsh environmental conditions and are less prone to corrosion, reducing the need for frequent repairs or replacements.
- Q:Where is the difference between seamless steel pipe and welded pipe?
- The steel tube is a hollow steel strip, used as pipe conveying fluid, such as oil, gas, water, gas, steam, in addition, the bending and torsional strength of the same, the weight is light, so it is widely used in the manufacture of machinery parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns, shells and so on.
- Q:What are the different methods of joining steel pipes for steam applications?
- There are several methods of joining steel pipes for steam applications, including threading, welding, and using mechanical couplings. Threading involves screwing the pipes together using male and female threads, which provides a secure connection. Welding involves fusing the ends of the pipes together using heat, creating a strong and permanent bond. Mechanical couplings use a mechanical device to join the pipes, such as a clamp or compression fitting, which allows for easy disassembly and reassembly if needed. Each method has its advantages and is chosen based on the specific requirements of the steam application.
- Q:Can steel pipes be used for firefighting systems?
- Indeed, firefighting systems can utilize steel pipes. Steel pipes are frequently chosen for their robustness and ability to endure high temperatures, making them ideal for transporting water and other fire-suppressing agents. Typically, these pipes are employed in larger commercial or industrial structures that necessitate a larger flow rate and pressure for their fire protection systems. Additionally, steel pipes possess the benefit of withstanding external forces and impacts, thus ensuring the integrity of the firefighting system. Moreover, steel pipes offer the convenience of easy connection, simplifying installation and maintenance procedures. Nonetheless, it is crucial to ensure that the steel pipes employed in firefighting systems undergo appropriate treatment to prevent corrosion and rusting, as these factors may compromise their effectiveness during emergency situations. Regular inspections and maintenance are necessary to guarantee the reliability and functionality of the steel pipes within the firefighting system.
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Square rectangular pipes of various standard materials
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 22 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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