• Cold formed welded square rectangular pipe for construction System 1
  • Cold formed welded square rectangular pipe for construction System 2
Cold formed welded square rectangular pipe for construction

Cold formed welded square rectangular pipe for construction

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
10 m.t.
Supply Capability:
15000 m.t./month

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Specification

Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled,Cold Rolled,Cold Drawn,ERW,Forged,Saw,Extruded,EFW,Spring
Shape:
U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ
Surface Treatment:
Galvanized,Coated,Copper Coated,Color Coated,Oiled,Dry,Chromed Passivation,Polished,Bright,Black,PVDF Coated
Steel Grade:
Q195,Q215,Q235,Q215B,Q235B,RHB335,HRB400,200 Series,300 Series,400 Series,600 Series,SS400-SS490,10#,20#,A53(A,B)
Thickness:
0-23mm
Length:
0-600mm
Net Weight:
12

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. 

 

 

4Packaging & 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  

How 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.

How 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.

Why 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 

 

Cold formed welded square rectangular pipe for construction

Cold formed welded square rectangular pipe for construction

 

 

Q:What are the different coatings used on steel pipes?
There are several different coatings used on steel pipes, including but not limited to epoxy coatings, polyethylene coatings, zinc coatings, and galvanized coatings.
Q:What are the advantages of using steel pipes in irrigation systems?
There are several advantages of using steel pipes in irrigation systems. Firstly, steel pipes are highly durable and can withstand harsh weather conditions and heavy loads, ensuring a long lifespan. Secondly, they have a high tensile strength, which means they can handle high pressure and water flow rates without the risk of bursting or leaking. Additionally, steel pipes are resistant to corrosion, which is crucial for maintaining water quality and preventing contamination. Lastly, steel pipes are easy to install and maintain, making them cost-effective in the long run.
Q:How are steel pipes protected against fire?
Steel pipes are protected against fire through various methods such as applying intumescent coatings, using fire-resistant insulation, or encasing them in fire-rated enclosures. These measures help to delay the heat transfer and maintain the structural integrity of the pipes during a fire, allowing them to withstand high temperatures and prevent the spread of fire.
Q:What are the different types of steel pipe supports?
There are several different types of steel pipe supports, including pipe hangers, pipe clamps, pipe shoes, and pipe saddles. These supports are used to secure and stabilize pipes in various applications, such as plumbing, HVAC systems, and industrial piping systems.
Q:How are steel pipes used in the manufacturing of chemical processing equipment?
Steel pipes are commonly used in the manufacturing of chemical processing equipment due to their durability, corrosion resistance, and ability to withstand high temperatures and pressures. These pipes are used to transport fluids, such as chemicals, gases, and liquids, throughout the various stages of the manufacturing process. In chemical processing equipment, steel pipes are primarily used for two main purposes: as conduits for the transportation of raw materials and as channels for the distribution of processed products. Firstly, steel pipes are used to transport raw materials, such as chemicals and solvents, from storage tanks or external sources to the various processing units within the equipment. These pipes ensure the safe and efficient movement of these materials, allowing for accurate and controlled dosage and distribution. Steel pipes are preferred due to their strength, which enables them to handle the high pressures and temperatures involved in chemical processing. Secondly, steel pipes are used to distribute the processed products throughout the equipment. Once the raw materials have undergone various chemical reactions and transformations, the resulting products need to be transported to the next stage or collected for further processing. Steel pipes are ideal for this purpose as they can withstand the corrosive nature of many chemicals and can handle the high temperatures encountered during these processes. Furthermore, steel pipes are also used in chemical processing equipment for their versatility and compatibility with various chemicals and solvents. They can be easily customized to accommodate specific requirements, such as different pipe sizes, shapes, and fittings. This flexibility allows for efficient design and installation, ensuring a seamless flow of materials and products throughout the equipment. Overall, steel pipes play a crucial role in the manufacturing of chemical processing equipment by providing a reliable and efficient means of transporting raw materials and distributing processed products. Their durability, corrosion resistance, and ability to withstand high temperatures and pressures make them an essential component in ensuring the safe and efficient operation of chemical processing equipment.
Q:Can steel pipes be used for underground cable conduits?
Yes, steel pipes can be used for underground cable conduits.
Q:What are the quality control measures for steel pipe production?
Quality control measures for steel pipe production typically involve various inspections and tests at different stages of the manufacturing process. Some of the key measures include: 1. Raw material inspection: Ensuring that the steel used for pipe production meets specified standards for chemical composition, mechanical properties, and dimensional accuracy. 2. Dimensional inspection: Checking the outer diameter, wall thickness, and length of the pipes to ensure they meet the required specifications. 3. Welding inspection: Verifying the quality of welds by conducting non-destructive tests, such as ultrasonic or radiographic testing, to detect any defects or discontinuities. 4. Surface inspection: Examining the pipe surface for any defects, such as scratches, pits, or corrosion, which can affect the overall quality and performance. 5. Mechanical testing: Performing tests like tensile strength, yield strength, and impact resistance to assess the mechanical properties of the pipes and ensure they meet the desired standards. 6. Pressure testing: Subjecting the pipes to hydrostatic or pneumatic pressure tests to verify their ability to withstand the intended operational pressures without leakage or failure. 7. Coating inspection: Checking the quality and uniformity of any protective coatings or linings applied to the pipes to prevent corrosion or other forms of deterioration. 8. Documentation and traceability: Maintaining records of all inspections, tests, and certifications to provide traceability and ensure compliance with relevant industry standards and customer requirements. These quality control measures help to ensure that steel pipes are manufactured to the highest standards, possess the required mechanical and dimensional properties, and are fit for their intended application.
Q:Can steel pipes be used for sewage treatment plants?
Yes, steel pipes can be used for sewage treatment plants. Steel pipes are durable and resistant to corrosion, making them ideal for handling sewage and wastewater in such facilities. They are commonly used for conveying and distributing sewage, as well as for constructing various components like pipelines, pump stations, and treatment tanks. Additionally, steel pipes can withstand high pressure and are available in various sizes, making them suitable for the diverse needs of sewage treatment plants.
Q:What are the factors affecting the durability of steel pipes?
There are several factors that can affect the durability of steel pipes, including the quality of the steel used, the manufacturing process, the environment in which the pipes are installed, and the maintenance and care given to the pipes.
Q:Can steel pipes be used for chemical refineries?
Yes, steel pipes can be used for chemical refineries. Steel pipes are commonly used in chemical industries due to their high strength, durability, and resistance to corrosion. They can withstand high pressure and temperature conditions, making them suitable for transporting various chemicals and fluids within a refinery. Additionally, steel pipes can be easily welded, ensuring a secure and leak-proof system in chemical refineries.

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