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

Galvanized welded round tube and square rectangular tube

Ref Price:
get latest price
Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
50 m.t.
Supply Capability:
3000 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
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#
Certification:
ISO,SGS,BV,IBR,RoHS,CE,API,BSI,UL
Thickness:
10
Length:
6
Net Weight:
2

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 round tube and square rectangular tube

Galvanized welded round tube and square rectangular tube

 

Q: What are the different types of hangers used for supporting steel pipes?
Supporting steel pipes requires the use of various hangers, each with its own distinctive design and purpose. Some commonly used types include: 1. Clevis Hangers: These hangers consist of a U-shaped loop that attaches to a support structure using a threaded rod. The pipe is then secured in place with a bolt. Clevis hangers are ideal for vertical pipe runs and provide excellent stability and support. 2. Split Ring Hangers: Designed with a split ring that wraps around the pipe, these hangers can be easily installed and adjusted. They are suitable for different pipe sizes and applications. 3. Pipe Clamps: Simple and versatile, pipe clamps consist of a metal clamp that wraps around the pipe and is secured to a support structure using screws or bolts. They come in various designs to accommodate different pipe sizes and ensure stability. 4. Beam Clamps: These hangers are specifically designed for overhead support beams or structures. They feature a clamp that wraps around the beam and attaches to the pipe using a threaded rod or bolt. Beam clamps are commonly used in industrial and commercial settings for horizontal pipe runs. 5. Roller Hangers: When pipe movement is necessary due to thermal expansion or contraction, roller hangers are used. They allow the pipe to move freely while still providing support, making them suitable for long pipe runs or areas with significant temperature variations. 6. Spring Hangers: Designed to support pipes and absorb vibrations or shocks, spring hangers consist of a spring element attached to a support structure and a rod or rod assembly that supports the pipe. They are often used to reduce noise or prevent damage caused by vibrations. These examples represent just a few of the hangers available for supporting steel pipes. The selection of a hanger depends on factors such as pipe size, weight, location, and specific installation requirements. It is recommended to consult with a professional or engineer to ensure the appropriate hangers are chosen for each specific application.
Q: How are steel pipes used in the telecommunications network infrastructure?
Steel pipes are commonly used in the telecommunications network infrastructure as a means of protecting and housing underground cables. These pipes provide a durable and secure pathway for the cables, safeguarding them from environmental factors such as moisture, extreme temperatures, and physical damage. Additionally, steel pipes offer excellent strength and rigidity, allowing for the installation of multiple cables within a single pipe, thereby reducing costs and simplifying maintenance.
Q: What is the typical diameter range for steel pipes?
The typical diameter range for steel pipes varies, but it typically falls between 1/2 inch to 48 inches.
Q: How are steel pipes protected against external corrosion in coastal areas?
To safeguard steel pipes against external corrosion in coastal regions, a combination of coating and cathodic protection methods is employed. An effective approach involves applying a protective coating onto the steel surface, forming a barrier against corrosive elements like saltwater and humidity present in the coastal environment. Commonly used coating materials, such as epoxy or polyethylene, possess corrosion-resistant properties and offer long-lasting protection. Furthermore, cathodic protection is utilized to enhance the corrosion resistance of the steel pipes. This technique employs sacrificial anodes or impressed current to prevent corrosion. Sacrificial anodes, typically made of zinc or aluminum, are attached to the steel pipe and corrode in place of the steel, sacrificing themselves to safeguard the steel surface. On the other hand, impressed current systems rely on an external power source to provide a protective current, effectively preventing corrosion. Ensuring the effectiveness of the protective coating and cathodic protection system necessitates regular inspection and maintenance. Coatings may degrade over time due to wear and tear, requiring periodic evaluation and reapplication if necessary. Similarly, sacrificial anodes must be replaced when depleted, and impressed current systems need to be monitored and adjusted to maintain the desired level of protection. By combining the application of durable coatings with cathodic protection measures, steel pipes in coastal areas can be adequately shielded against external corrosion, promoting their durability and optimal performance.
Q: What is the fatigue strength of steel pipes?
The ability of steel pipes to withstand repeated cyclic loading without failing is referred to as their fatigue strength. This characteristic is of utmost importance for pipes that experience dynamic or fluctuating loads, such as those used in the oil and gas industry, transportation infrastructure, or industrial applications. Several factors can affect the fatigue strength of steel pipes, including the grade of steel, dimensions of the pipe, manufacturing process, surface conditions, and environmental factors. Generally, steel pipes with higher tensile strength and toughness exhibit better resistance to fatigue. Fatigue strength is typically determined by subjecting the pipes to cyclic loading until failure occurs, through a process known as fatigue testing. The results of these tests are then used to establish a fatigue curve or S-N curve, which illustrates the relationship between the applied stress amplitude and the number of cycles required for failure. To quantify the fatigue strength, it is common to express it as the stress amplitude required to cause failure after a specific number of cycles, such as the stress amplitude at 10 million cycles (S-N10^7). However, it is important to consider other factors such as mean stress, surface finish, and loading frequency, which can also influence fatigue strength and may require consideration in specific applications. Ultimately, the fatigue strength of steel pipes is a crucial factor in engineering design and maintenance, as it ensures the long-term integrity and reliability of the pipes under cyclic loading conditions.
Q: What are the different methods of cleaning steel pipes?
There are several methods of cleaning steel pipes, including mechanical cleaning, chemical cleaning, and high-pressure water jetting. Mechanical cleaning involves using wire brushes, scrapers, or sandpaper to physically remove debris and rust from the pipe's surface. Chemical cleaning involves using solvents or acids to dissolve contaminants and rust, followed by flushing the pipe with water. High-pressure water jetting uses a stream of water at high pressure to remove dirt, rust, and other deposits from the pipe's interior and exterior surfaces.
Q: What is the role of steel pipes in sewage systems?
Steel pipes are commonly used in sewage systems as they provide durability, strength, and resistance to corrosion. They serve the crucial role of transporting wastewater, sewage, and other fluids from buildings to treatment facilities or disposal sites. Steel pipes are able to withstand the high pressure and gravity flow of sewage, ensuring the safe and efficient conveyance of waste materials.
Q: What is the difference between steel pipes and HDPE pipes?
Steel pipes are made of steel, which is a sturdy and durable material. They are commonly used in industrial applications and can withstand high pressure and extreme temperatures. HDPE pipes, on the other hand, are made of high-density polyethylene, a type of plastic known for its flexibility and corrosion resistance. They are commonly used in water supply systems and underground applications. The main differences between steel pipes and HDPE pipes lie in their material composition, properties, and applications.
Q: How can galvanized steel pipe be connected with stainless steel pipe?
Welding methods are used to connect. Because galvanized pipe is in fact carbon steel pipe, so galvanized pipe and stainless steel pipe welding, in fact, carbon steel and stainless steel welding, welding of dissimilar materials.
Q: What are the common maintenance practices for steel pipes?
The common maintenance practices for steel pipes include regular inspections for signs of corrosion or damage, cleaning and removing any debris or obstructions, applying protective coatings to prevent rust and corrosion, and conducting periodic leak tests to ensure the integrity of the pipes. Additionally, proper handling and storage procedures should be followed to prevent any physical damage or contamination.

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