• Galvanized welded  square rectangular tube System 1
  • Galvanized welded  square rectangular tube System 2
Galvanized welded  square rectangular tube

Galvanized welded square rectangular tube

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
15 m.t.
Supply Capability:
8000 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)
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
4
Length:
6
Net Weight:
3

1Structure of   Galvanized welded round tube and square rectangular tube:

The surface of galvanized steel pipe welded steel pipe of hot dip galvanized layer or. Galvanized can increase the corrosion resistance of the steel tube, prolong service life. Galvanized pipe is widely used, in addition to water, gas, oil and other general low pressure fluid pipelines. It is also used in the petroleum industry, especially for offshore oil field of oil well pipe and oil pipe, chemical, coking equipment of oil heater, condensation cooler, coal run oil exchanger tube, and trestle pile, the mine tunnel support frame tube.

 

2‍‍Main Features of   Galvanized welded round tube and square rectangular tube:

 

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price 

 

3  Galvanized welded round tube and square rectangular tube Specification

Standard

GB, DIN, ASTM

ASTM A106-2006, ASTM A53-2007

Grade

10#-45#, 16Mn

10#, 20#, 45#, 16Mn

Thickness

1 - 33 mm

Section Shape

Round

Outer Diameter

21 - 610mm

Place of Origin

Tianjin, China (Mainland)

Secondary Or Not

Non-secondary

Application

Hydraulic Pipe

Technique

Cold Drawn

Certification

API

Surface Treatment

factory state or painted black

Special Pipe

API Pipe

Alloy Or Not

Non-alloy

Length

5-12M

Outer Diameter

21.3-610mm

Grade 

20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B

Standard

ASME, ASTM

 

1) Material:Q195 Q235 Q345 X42 X52

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface: galvanized.
5) Ends:Beveled or square cut,plastic capped,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

 

5FAQ of   Galvanized welded round tube and square rectangular tube:

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   Galvanized welded round tube and square rectangular tube Images ‍‍

 

Galvanized welded  square rectangular tube

Galvanized welded  square rectangular tube

 

Q:How do you prevent freezing in steel pipes during cold weather?
To avoid freezing in steel pipes during cold weather, there are various steps that can be taken: 1. Insulating the pipes proves effective in safeguarding them from freezing. Utilize insulation sleeves or wraps to cover the pipes, especially in areas where they are exposed to low temperatures. Insulation aids in retaining heat and preventing the pipes from reaching freezing temperatures. 2. Identify and seal any air leaks around the pipes that allow cold air to enter. Use caulking or weatherstripping to seal these gaps and prevent the pipes from being exposed to cold air. 3. It is important to maintain a consistent temperature in the vicinity of the pipes. Ensure that the area is adequately heated and insulated. This will help keep the temperature above freezing and prevent the pipes from freezing. In extremely low temperatures, consider utilizing heat tape or pipe heating cables to provide additional warmth. 4. Allowing a small, continuous trickle of water to flow through the pipes can help prevent freezing. The flowing water generates heat and inhibits the formation of ice within the pipes. However, this method should only be used as a last resort due to potential water wastage. 5. If the steel pipes are located in an area that is not regularly used or if freezing weather is anticipated, it may be advisable to completely drain the pipes. Turn off the water supply and open all faucets to allow the water to drain out. This eliminates any standing water that could freeze and potentially cause the pipes to burst. It is crucial to note that prevention is key, as frozen steel pipes can result in expensive damages and water leaks. By implementing these measures, you can safeguard your steel pipes and ensure their functionality during cold weather.
Q:How are steel pipes installed underground?
Steel pipes are installed underground through a process called trenchless installation or open trench excavation. In trenchless installation, a drilling machine creates a tunnel underground, and the steel pipes are then inserted into the tunnel using a technique called pipe jacking or horizontal directional drilling. In open trench excavation, a trench is dug, and the steel pipes are laid in the trench before being covered with backfill material.
Q:How are steel pipes used in the construction of oil and gas pipelines?
Steel pipes are commonly used in the construction of oil and gas pipelines due to their durability and strength. These pipes provide a reliable and safe means of transporting oil and gas over long distances. They are used to create a network of interconnected pipes that can withstand high pressure and extreme temperatures. Additionally, steel pipes are resistant to corrosion, making them suitable for transporting corrosive fluids. Overall, steel pipes play a crucial role in the construction of oil and gas pipelines by ensuring the efficient and secure transportation of these valuable resources.
Q:How can galvanized steel tubes be painted on the surface?
Suitable for galvanized base material (antirust primer), epoxy zinc yellow primer (double component), epoxy ester zinc yellow primer.Pretreatment of galvanized sheet when brushing:1, conditional, you can zinc plating phosphating treatment, or first spray a layer of phosphating primer.2, or smooth zinc plating surface sweeping treatment.3, the galvanized workpiece, galvanized pipe surface with solvent (that is, epoxy zinc yellow primer, thinner) wipe, in order to remove the workpiece crude oil protective layer, and increase cleanliness.4, two-component epoxy zinc yellow primer: in strict accordance with the proportion of paint and curing agent paint, and aging 30 minutes later, modulation suitable construction viscosity, you can spray.One component epoxy ester primer: zinc yellow construction viscosity suitable to construction of modulation, the correct construction method.
Q:How are steel pipes used in the fabrication of storage tanks?
Steel pipes are commonly used in the fabrication of storage tanks due to their strength, durability, and corrosion resistance. They are utilized in various ways, such as forming the structural framework of the tank, creating the walls and roof, and connecting different components together. Additionally, steel pipes can be welded or bolted to ensure a secure and leak-proof construction, making them an ideal choice for storage tank fabrication.
Q:What is the purpose of steel pipes?
The purpose of steel pipes is to transport fluids and gases, facilitate the flow of water, oil, and natural gas, and provide structural support in various industries such as construction, plumbing, and manufacturing.
Q:Where is the difference between seamless steel pipe and welded pipe?
Seamless pipe pressure is higher, welded pipe is generally in 10 or so MPa, now welded pipe to do seamless processing.
Q:What is a tight steel tube?
The tight steel tube is called "galvanized steel pipe with sleeve connection" or "flat pipe of steel metal for electrical installation". JDG. The utility model relates to a novel protective conduit for an electric circuit. The connecting sleeve and the metal accessory are provided with a wire pipeline composed of screw fastening connection technology, and the utility model does not need to do cross grounding, welding and covering, and the appearance is silvery white or yellow.
Q:How are steel pipes repaired if they develop leaks?
Steel pipes can be repaired if they develop leaks through various methods such as welding, clamping, or using epoxy compounds. The specific repair technique depends on the size and location of the leak as well as the type of pipe, and it is typically carried out by trained professionals with the necessary equipment and expertise.
Q:Are steel pipes suitable for use in nuclear power plants?
Yes, steel pipes are suitable for use in nuclear power plants. They are commonly used in various systems such as cooling, steam, and reactor coolant systems due to their high strength, durability, and resistance to corrosion. Additionally, steel pipes can withstand the high pressure and temperature conditions present in nuclear power plants, making them a reliable choice for this critical infrastructure.

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