Kinds of carbon steel square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 9500 m.t./month
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Specification
1、Structure of Kinds of carbon steel 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 Kinds of carbon steel square rectangular tube:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Kinds of Kinds of carbon steel square rectangular tube：
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 Kinds of carbon steel 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、 Kinds of low carbon square rectangular tube Images：
- Q: How are steel pipes inspected for compliance with industry standards?
- Steel pipes are inspected for compliance with industry standards through various methods, including visual examination, dimensional measurements, non-destructive testing, and mechanical testing. Trained inspectors carefully inspect the pipes to ensure they meet the required specifications, such as wall thickness, diameter, and surface quality. Non-destructive testing techniques like ultrasonic testing or magnetic particle inspection are used to detect any internal or surface defects. Mechanical tests, such as tensile or bend tests, are performed to evaluate the pipe's strength and ability to withstand pressure. These inspections help ensure that steel pipes meet the necessary industry standards and are fit for their intended use.
- Q: How are steel pipes used in building foundations?
- Steel pipes are often used in building foundations to provide structural support and stability. They can be driven into the ground to act as piles, which help transfer the weight of the building to the underlying soil or bedrock. Steel pipes can also be used for deep foundation systems such as drilled shafts or caissons, which are used in areas with weak or unstable soil conditions. Additionally, steel pipes can be utilized for underground drainage and utility systems within the foundation structure.
- Q: How do you calculate the pipe pressure drop for steel pipes?
- To calculate the pressure drop in steel pipes, you can use the Darcy-Weisbach equation, which takes into account factors such as the pipe diameter, length, roughness, and the fluid flow rate. By plugging these variables into the equation, you can determine the pressure drop experienced by the fluid as it flows through the steel pipe.
- Q: Can steel pipes be used for transporting gases?
- Yes, steel pipes can be used for transporting gases. Steel pipes are known for their strength, durability, and resistance to corrosion, making them an ideal choice for transporting various gases over long distances. Additionally, steel pipes can handle high pressure and extreme temperatures, ensuring the safe and efficient transportation of gases.
- Q: Are steel pipes more expensive than other types of pipes?
- Steel pipes can be more expensive than other types of pipes, but this can vary depending on various factors such as the size, grade, and specific application requirements.
- Q: What is the difference between internal lining and external coating of steel pipes?
- The distinction between the internal lining and external coating of steel pipes can be found in their respective functions and locations. Internal lining serves as a safeguard for the inner surface of steel pipes, shielding it from corrosion, abrasion, and other forms of harm. It creates a barrier between the transported fluids or substances and the steel pipe, preventing direct contact and potential deterioration. The materials utilized for internal lining, such as epoxy, polyethylene, or cement mortar, are dependent on specific requirements and the nature of the substances being transported. The internal lining ensures the longevity and integrity of the steel pipe by reducing the risk of internal corrosion and contamination. On the other hand, external coating is applied to the outer surface of steel pipes. Its primary purpose is to provide protection against external factors such as weathering, soil corrosion, and mechanical damage. Acting as a shield, the external coating safeguards the steel pipe from environmental conditions like moisture, UV radiation, chemicals, and physical impact. Common materials used for external coatings include fusion-bonded epoxy, polyethylene, polypropylene, or bitumen. The selection of coating depends on factors such as exposure conditions, temperature, and the type of soil or surroundings the steel pipe will encounter. In summary, internal lining safeguards the inner surface of steel pipes from corrosion and damage caused by transported substances, while external coating acts as a barrier against external elements and physical stresses. Both internal lining and external coating play crucial roles in ensuring the durability and reliability of steel pipes in various applications, such as oil and gas pipelines, water supply systems, or industrial processes.
- Q: What is the maximum pressure that steel pipes can handle?
- The maximum pressure that steel pipes can handle depends on various factors such as the grade and thickness of the steel, the diameter of the pipe, and the intended application. However, steel pipes are known for their high strength and durability, allowing them to withstand high pressure conditions. In general, steel pipes can handle pressures ranging from a few hundred PSI (pounds per square inch) to several thousand PSI, depending on the specific specifications and design considerations. It is crucial to consult engineering standards, industry guidelines, and relevant experts to determine the appropriate maximum pressure for a specific steel pipe.
- Q: Can steel pipes be used for oil transportation?
- Indeed, steel pipes find application in the transportation of oil. In the oil and gas industry, steel pipes are widely utilized to transport crude oil, petroleum products, and natural gas. The reason behind their popularity lies in their robustness, endurance, and resistance to corrosion. Steel pipes possess the capability to endure high-pressure conditions, making them suitable for both onshore and offshore oil transportation. Moreover, by welding steel pipes together, extensive pipelines can be constructed, thereby providing a cost-efficient method to transport oil across long distances. In conclusion, steel pipes serve as a dependable and effective option for oil transportation.
- Q: What are the applications of steel pipes?
- Steel pipes are widely used in various industries and applications due to their exceptional strength, durability, and versatility. Some common applications of steel pipes include transportation of fluids and gases in oil and gas industry, water supply and drainage systems, structural support in construction projects, plumbing and heating systems, manufacturing of automobiles and machinery, and in the agricultural sector for irrigation and irrigation systems. Additionally, steel pipes are also used in the energy and power generation sector, chemical processing plants, and for underground and underwater installations.
- Q: What are the different methods of heat treatment for steel pipes?
- Some of the different methods of heat treatment for steel pipes include annealing, normalizing, quenching, and tempering. Annealing involves heating the steel pipe to a specific temperature and then slowly cooling it to make it softer and more ductile. Normalizing is a similar process but involves air cooling instead of slow cooling. Quenching is a rapid cooling process that results in a hardened and brittle steel pipe. Tempering follows quenching and involves reheating the steel pipe to a lower temperature to reduce the brittleness and improve its toughness.
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Kinds of carbon steel square rectangular tube
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 9500 m.t./month
OKorder Service Pledge
OKorder Financial Service
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