Square rectangular tubes for buildings
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 15000 m.t./month
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Item specifice
1、 Square rectangular tubes for buildings
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 tubes for buildings
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Square rectangular tubes for buildings
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、 Square rectangular tubes for buildings
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 tubes for buildings
- Q:How to distinguish between steel pipe and spiral pipe material?
- Steel pipe according to the pipe material (ie steel) can be divided into: carbon tube and alloy tube, stainless steel tube.Carbon tube can be divided into ordinary carbon steel tube and high quality carbon structure tube.
- Q:What are the different methods of non-destructive testing for steel pipes?
- The different methods of non-destructive testing for steel pipes include visual inspection, ultrasonic testing, magnetic particle testing, liquid penetrant testing, and radiographic testing. These methods are used to detect defects or abnormalities in the pipes without causing any damage. Visual inspection involves a thorough visual examination of the pipe's surface. Ultrasonic testing uses high-frequency sound waves to identify internal flaws or thickness measurements. Magnetic particle testing detects surface and near-surface defects by applying a magnetic field and inspecting for magnetic particles. Liquid penetrant testing involves applying a liquid dye to the surface and inspecting for any visible indications of defects. Radiographic testing uses X-rays or gamma rays to capture images that reveal internal defects or flaws in the steel pipes.
- Q:What are the advantages of using steel pipes in irrigation systems?
- There are several advantages of using steel pipes in irrigation systems. First, steel pipes are highly durable and have a long lifespan, making them a cost-effective choice as they require less frequent replacement or maintenance. Additionally, steel pipes can withstand high pressures and temperatures, making them suitable for various irrigation applications. They are also resistant to corrosion, which ensures the quality and longevity of the irrigation system. Moreover, steel pipes have a smooth interior surface, minimizing friction and allowing for efficient water flow, resulting in improved irrigation performance.
- Q:What are the different joining methods for steel pipes?
- The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.
- Q:What is the difference between steel pipes and cast iron soil pipes?
- The main difference between steel pipes and cast iron soil pipes lies in their composition and durability. Steel pipes are primarily made of steel, a strong and versatile material known for its high tensile strength. On the other hand, cast iron soil pipes are made of cast iron, a material known for its excellent corrosion resistance and sound-dampening properties. While steel pipes are more rigid and suitable for carrying pressurized fluids, cast iron soil pipes are designed specifically for wastewater and sewage systems due to their superior resistance to rust and noise reduction qualities.
- Q:How are steel pipes tested for quality and strength?
- Steel pipes are tested for quality and strength through various methods such as destructive and non-destructive testing. Destructive testing includes tests like tensile, impact, and hardness tests, which measure the strength and durability of the pipes. Non-destructive testing methods like ultrasonic or X-ray examination are used to detect any defects or flaws in the pipes without causing any damage. These testing methods ensure that steel pipes meet the required quality and strength standards before being used in various applications.
- Q:What are the specifications for steel pipes used in high-pressure applications?
- The specifications for steel pipes used in high-pressure applications typically include requirements for the pipe material, such as high strength and resistance to corrosion, as well as specific dimensions, thickness, and wall thickness to withstand the pressure. Additionally, they may need to meet specific industry standards, such as ASTM or ASME, and be tested for quality assurance, including pressure testing and non-destructive testing methods.
- Q:Are steel pipes suitable for underground sewage systems?
- Yes, steel pipes are suitable for underground sewage systems. Steel pipes are known for their strength, durability, and resistance to corrosion, making them an ideal choice for underground installations. Steel pipes can withstand the pressure and weight of the soil above, ensuring the integrity of the sewage system. Additionally, steel pipes have a long lifespan and can withstand extreme temperatures and environmental conditions, making them a reliable choice for underground applications. However, it is important to note that proper coating and insulation should be applied to steel pipes to prevent corrosion and ensure longevity.
- Q:Can steel pipes be used for the construction of offshore wind farms?
- Yes, steel pipes can be used for the construction of offshore wind farms. Steel pipes are commonly used for the fabrication of foundation structures, such as monopiles or jackets, which provide stability and support for wind turbine installations in the seabed. The durability, strength, and resistance to corrosion of steel make it an ideal material for withstanding the harsh offshore conditions. Additionally, steel pipes can be easily transported, assembled, and installed, making them a cost-effective and reliable choice for offshore wind farm construction.
- Q:How are steel pipes insulated to prevent heat loss?
- Steel pipes are typically insulated to prevent heat loss by wrapping them with insulation materials such as mineral wool, fiberglass, or foam. These insulation materials provide a barrier that traps heat within the pipes, preventing it from being lost to the surrounding environment. Additionally, pipes may also be covered with an outer protective layer, such as aluminum or PVC, to further enhance insulation and protect against external elements.
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Square rectangular tubes for buildings
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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