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

Galvanized welded square rectangular tube

Ref Price:
get latest price
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 are steel pipes transported and stored?
Steel pipes are typically transported using specialized trucks, trains, or ships, depending on the distance and quantity. They are often stacked and secured with straps or chains to prevent movement during transportation. Once at the storage site, steel pipes are usually stored in an organized manner, either horizontally on racks or vertically in designated areas. It is crucial to keep them protected from moisture, corrosion, and physical damage, so they are often covered or stored indoors.
Q: What are the different coating materials used for steel pipes?
Some common coating materials used for steel pipes include epoxy, polyethylene, polyurethane, and coal tar enamel. These coatings are applied to protect the steel from corrosion and provide a barrier against environmental elements.
Q: How are steel pipes used in wastewater treatment plants?
Steel pipes are commonly used in wastewater treatment plants for various purposes such as conveying wastewater, transporting chemicals, and managing water flow. They are used to transport wastewater from different treatment stages, ensuring efficient movement within the plant. Additionally, steel pipes are used to transport chemicals, such as disinfectants or coagulants, which are necessary for treating the wastewater. They also play a crucial role in managing water flow, helping to control the movement and distribution of wastewater throughout the treatment process. Overall, steel pipes are essential components in wastewater treatment plants, facilitating the movement and treatment of wastewater efficiently.
Q: Can steel pipes be used for gas transportation?
Gas transportation can indeed employ steel pipes. Steel is frequently chosen as the material for gas pipelines due to its robustness, longevity, and resistance to corrosion. High pressures are withstood by steel pipes, rendering them suitable for conveying both natural gas and propane. Their ability to endure extreme temperatures further enhances their suitability for gas transportation across diverse settings. Moreover, steel pipes can be seamlessly welded together to create a continuous pipeline system. Nonetheless, it is crucial to guarantee that the steel pipes employed for gas transportation are adequately coated and shielded against corrosion to avert any leakage or pipeline harm.
Q: What are the uses of welded steel pipes?
It is used to transport water, gas, air, oil and heating steam, and generally lower pressure fluid and other purposes of welded steel pipe. The wall thickness of the steel pipe is divided into ordinary steel pipe and thickened steel pipe. The end of the pipe is divided into non - threaded steel pipe (light pipe) and threaded steel pipe. The specification of steel pipe is expressed by nominal caliber (mm). The nominal diameter is the approximate value of the inner diameter. Usually used in inches, such as 11/2. The welded steel pipe for low pressure fluid transportation is used as the main pipe of galvanized steel pipe for low pressure fluid transportation except for directly conveying fluid
Q: How do you calculate the flow rate of water in steel pipes?
To calculate the flow rate of water in steel pipes, you need to know the pipe diameter, length, and the pressure difference between the inlet and outlet. By using the Darcy-Weisbach equation or other relevant hydraulic formulas, you can determine the flow rate based on these parameters.
Q: How are steel pipes protected from corrosion?
Steel pipes are protected from corrosion through various methods such as applying protective coatings like paint or epoxy, galvanization, and cathodic protection. These measures create a barrier between the steel surface and corrosive elements to prevent the pipes from rusting and deteriorating.
Q: Are steel pipes suitable for potable water applications?
Yes, steel pipes are suitable for potable water applications. Steel pipes are commonly used for transporting water in various industries and municipal water systems. They are known for their durability, strength, and resistance to corrosion, making them a reliable choice for potable water systems. Steel pipes also have the advantage of being able to withstand high pressure and temperature conditions, making them suitable for both hot and cold water applications. Additionally, steel pipes can be easily welded, ensuring leak-free connections. However, it is important to note that the quality of the steel used and proper maintenance are crucial factors in ensuring the safety and suitability of steel pipes for potable water applications. Regular inspection and maintenance should be done to prevent corrosion and ensure the integrity of the pipes.
Q: What are the different types of pipe fittings used with steel pipes?
There are several types of pipe fittings commonly used with steel pipes, including elbows, tees, reducers, couplings, unions, flanges, and valves.
Q: How are steel pipes used in the manufacturing of shipbuilding?
Steel pipes are used in the manufacturing of shipbuilding primarily for their strength, durability, and corrosion resistance. They are commonly used in various applications such as the construction of hulls, decks, bulkheads, and piping systems within the ship. The pipes are used for carrying fluids, gases, and other materials throughout the vessel, ensuring efficient operation and safety. Additionally, steel pipes are crucial for the installation of essential systems like water supply, fire-fighting, heating, and ventilation, contributing to the overall functionality and structural integrity of the ship.

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