• Galvanized welded steel pipe for building System 1
  • Galvanized welded steel pipe for building System 2
Galvanized welded steel pipe for building

Galvanized welded steel pipe for building

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
12000 m.t./month

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Specification

Standard:
AISI,ASTM,JIS,GB,BS,DIN,API,EN
Technique:
Spring,EFW,Extruded,Saw,Forged,ERW,Cold Drawn,Cold Rolled,Hot Rolled
Shape:
LTZ,Oval,Rectangular,Round,Hexagonal,C Channel,Square,U Channel
Surface Treatment:
Galvanized
Steel Grade:
400 Series,200 Series,HRB400,RHB335,Q235B,Q215B,Q235,Q215,Q195,A53(A,B),20#,10#,SS400-SS490,600 Series,300 Series
Thickness:
5
Length:
12
Net Weight:
0

1Structure of  Galvanized welded steel pipe for building :

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 steel pipe for building :

 

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price 

 

3 Galvanized welded steel pipe for building 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 steel pipe for building :

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 steel pipe for building Images ‍‍

 

Galvanized welded steel pipe for building

Galvanized welded steel pipe for building

 

 

Q: What are the environmental benefits of using steel pipes?
There are several environmental benefits of using steel pipes: 1. Durability: Steel pipes have a long lifespan, which reduces the need for frequent replacements. This helps to conserve resources and reduces the amount of waste generated. 2. Recyclability: Steel is one of the most recycled materials in the world. When steel pipes reach the end of their life, they can be easily recycled and used to manufacture new steel products. This reduces the demand for raw materials and saves energy that would otherwise be required for the production of new materials. 3. Reduced carbon emissions: Steel pipes have a low carbon footprint compared to other materials like concrete or plastic. The manufacturing process for steel pipes produces fewer greenhouse gas emissions, contributing to a lower carbon footprint overall. 4. Resistance to corrosion: Steel pipes have high resistance to corrosion, which means they require less maintenance and repair compared to other materials. This reduces the use of chemical coatings and treatments that can have negative environmental impacts. 5. Water conservation: Steel pipes are commonly used for water supply and distribution systems. They have smooth interiors that minimize friction, reducing the amount of energy required to pump water through the pipes. This helps to conserve energy and decrease the carbon emissions associated with water transportation. 6. Fire resistance: Steel pipes are inherently fire-resistant, which makes them a safer choice for many applications. In the event of a fire, steel pipes can help to contain the spread of flames and minimize damage to the environment. Overall, the use of steel pipes offers numerous environmental benefits such as durability, recyclability, reduced carbon emissions, water conservation, and fire resistance. These factors make steel pipes a sustainable choice for various infrastructure projects.
Q: What are the common methods of joining steel pipes?
The common methods of joining steel pipes include welding, threading, and using mechanical couplings. Welding involves fusing the pipes together using heat, while threading involves screwing the pipes together using threads on the ends. Mechanical couplings are devices that connect the pipes together using compression or other means.
Q: How are steel pipes protected against soil movement?
Steel pipes are protected against soil movement through the use of various techniques such as trenching, backfilling, and proper installation of support structures. Additionally, protective measures like the use of casing pipes or concrete encasement can be employed to prevent direct contact with the soil and minimize the impact of soil movement on the steel pipes.
Q: How do you calculate the pipe friction loss for steel pipes?
In order to determine the pipe friction loss for steel pipes, one must utilize the Darcy-Weisbach equation. This particular equation is widely employed in the field of fluid dynamics to ascertain the drop in pressure or friction loss that arises from the flow of fluid through a pipe. The equation is formulated as follows: The pressure drop or friction loss (ΔP) can be calculated by dividing the product of the Darcy friction factor (f), the length of the pipe (L), the density of the fluid (ρ), and the square of the velocity of the fluid (V²), by twice the diameter of the pipe (D). The Darcy friction factor (f), which is a dimensionless value, is contingent upon the Reynolds number (Re) and the relative roughness (ε/D) of the pipe. Here, ε represents the absolute roughness of the pipe. There are various correlations or Moody's diagram that can be employed to determine the friction factor. Once the friction factor has been ascertained, the values for length, density, velocity, and diameter can be substituted into the equation to calculate the pressure drop or friction loss. It is of utmost importance to ensure that the units for all variables remain consistent (e.g., length in meters, density in kg/m³, velocity in m/s, diameter in meters) in order to achieve precise results. By utilizing this equation and acquiring the requisite parameters, it becomes possible to calculate the pipe friction loss for steel pipes. Such calculations are essential in the design and analysis of fluid flow systems.
Q: SC15 what does galvanized steel pipe look like?
DN15 galvanized pipe, nominal diameter of 15mm
Q: How are steel pipes used in the manufacturing of boilers and heat exchangers?
Steel pipes are an essential component in the manufacturing of boilers and heat exchangers due to their unique properties and capabilities. These pipes are specifically designed to withstand high temperatures, pressures, and corrosive environments, making them ideal for these applications. In the manufacturing process of boilers, steel pipes are used to construct the main body or shell of the boiler. This shell contains the water or steam that is heated to generate heat or produce steam for various industrial processes. The steel pipes used in boilers are typically seamless or welded, with precise dimensions and high strength to ensure structural integrity and prevent leaks. Heat exchangers, on the other hand, are devices used to transfer heat between two fluids, often with different temperatures. Steel pipes are employed in heat exchangers as the primary medium for transferring heat. The pipes are usually arranged in a pattern, allowing the hot fluid to pass through one set of pipes while the cold fluid passes through another set. This arrangement enables efficient heat transfer between the two fluids. The use of steel pipes in boilers and heat exchangers offers several advantages. Firstly, steel pipes have excellent thermal conductivity, allowing for efficient heat transfer between the fluid and the surrounding environment. Secondly, steel pipes have high tensile strength and can withstand high pressure, ensuring the safety and reliability of the equipment. Thirdly, steel pipes are resistant to corrosion, which is crucial in environments where the fluids being processed are corrosive or contain impurities. Moreover, steel pipes can be easily fabricated and customized to meet the specific requirements of boilers and heat exchangers. They can be manufactured in various sizes, lengths, and thicknesses to accommodate different applications. Additionally, steel pipes can be coated or lined with materials such as ceramic or epoxy to provide further protection against corrosion or abrasion. In summary, steel pipes play a vital role in the manufacturing of boilers and heat exchangers. Their unique properties, including high strength, thermal conductivity, and corrosion resistance, make them the ideal choice for these applications. The use of steel pipes ensures the efficient operation, safety, and longevity of boilers and heat exchangers in various industrial processes.
Q: How is the steel pipe dance installed at home?
Perforated steel pipe, is very troublesome, need support to the roof and drilling in the room, the bottom with tripod frame fixed nail, and welding, installation is very troublesome;
Q: What are the main components of a steel pipe?
The main components of a steel pipe include the steel material itself, which is typically made from carbon and alloy steel, as well as various coatings or linings that can be applied to enhance its durability and resistance to corrosion. Additionally, a steel pipe may also have fittings such as flanges or couplings, and may be further reinforced with supports or braces depending on its intended use.
Q: What are the common factors affecting the lifespan of steel pipes?
There are several common factors that can affect the lifespan of steel pipes. 1. Corrosion: Corrosion is one of the primary factors that can significantly reduce the lifespan of steel pipes. Exposure to moisture, chemicals, and harsh environmental conditions can cause the steel to rust and deteriorate over time. 2. Quality of materials: The quality of the steel used in manufacturing the pipes plays a crucial role in determining their lifespan. Higher-quality steel with better resistance to corrosion and other forms of degradation will generally have a longer lifespan compared to lower-grade materials. 3. Installation and maintenance practices: Proper installation and regular maintenance are essential for ensuring the longevity of steel pipes. Improper installation techniques, such as inadequate support or improper alignment, can lead to premature failure. Similarly, neglecting routine maintenance, such as cleaning and inspection, can accelerate the degradation process. 4. Operating conditions: The operating conditions to which steel pipes are exposed can also impact their lifespan. Factors such as temperature, pressure, and the type of fluid or gas being transported can all affect the integrity of the pipes. Extreme conditions, such as high temperatures or corrosive substances, can significantly reduce the lifespan of steel pipes. 5. Mechanical stress: Excessive mechanical stress, such as vibration, impact, or heavy loads, can weaken steel pipes over time. This stress can lead to cracking, deformation, or even complete failure if not properly managed or accounted for during the design and installation process. 6. Environmental factors: The surrounding environment can have a significant impact on the lifespan of steel pipes. Exposure to harsh weather conditions, such as extreme temperature variations or frequent freeze-thaw cycles, can accelerate the deterioration process. Additionally, the presence of pollutants or aggressive substances in the surrounding soil or water can also contribute to the degradation of steel pipes. In summary, the lifespan of steel pipes can be affected by factors such as corrosion, material quality, installation and maintenance practices, operating conditions, mechanical stress, and environmental factors. By considering and addressing these factors, it is possible to extend the lifespan of steel pipes and ensure their durability and reliability.
Q: What's the difference between No. 20 steel pipe and 27SiMn Steel Pipe?
27SiMn =27 - steel pipe, which is a seamless steel tube material, the carbon content in 0.24 - 0.32%, SIMN single because it five elements (carbon manganese silicon Si, C, Mn, P P, S, guimeng sulfur) the high content of about 1.10 - 1.40%.

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