• Reinforced Stainless Steel Circle Construction Pipe Q235 Grade System 1
  • Reinforced Stainless Steel Circle Construction Pipe Q235 Grade System 2
Reinforced Stainless Steel Circle Construction Pipe Q235 Grade

Reinforced Stainless Steel Circle Construction Pipe Q235 Grade

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Loading Port:
Tianjin
Payment Terms:
TT or LC
Min Order Qty:
300 m.t.
Supply Capability:
1000 m.t./month

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Construction Circle  Steel Pipe Q235 Grade

 

 Description for Construction Pipe  :

 

Type 

Galvanized pipe

Steel Grade

Q345,Q195,215,Q235,


Size 

DIA 13-25.4mm, 18-25.4mm,25.4-34mm,34-50.8mm,50.8-79.2mm

 

Thickness

0.5-1.5mm,1.5-2.0mm,0.7-2.0mm,0.8-3.0mm,1.0-3.0mm

Application

Building/project construction 

Packing 

5.5mm-10mm:packing In coil.

10mm-32mm:in bundle.

MOQ 

300tons ( trial order 100tons acceptable ).

Capacity  

15000tons /month.

Delivery Time 

15days after the order confirmation .

Payment 

 T/T , West Union , Cash , L/C.

Trade Terms

FOB, CFR, CIF ,EXW

Trans term 

FIO , FILO , FLT 

 

Datas Chart for Galvanized  Pipe  :

Content

C%

Mn%

Si%

P%

S%

V%

Ceq%

HRB335

0.17-0.25

1.00-1.60

0.40-0.80

≤0.045

≤0.045


≤0.52

HRB400

0.20-0.25

1.30-1.60

0.40-0.80

≤0.035

≤0.035

0.05-0.08

≤0.54

HRB500

0.25

1.6

0.80

≤0.045

≤0.045


≤0.55

HRB500E

0.20-0.24

1.20-1.50

0.40-0.65

≤0.045

≤0.045

0.050-0.120

≤0.55

Main Structure of Galvanized Steel Circle  Pipe 

l  Mechanics Performance 

Grade

Technical data of the original chemical composition(%) 

C

Mn

Si

S

P

Ceq


HRB500

≤0.25

≤1.60

≤0.80 

≤0.045 

≤0.045 

≤ 0.55


Mechanical Characterics

Yield Strength

(N/cm2)

Tensile  Strength 

(N/cm2)

Elongation (%)

 

    ≥500

    ≥630

    ≥14





FAQ:

Why should you choose us:

  1. Stable quality ----continous casting hot rolled production techenic, strictly quality control system.

  2. Lower price -------Not the cheapest but the lowest price at the same quality .

  3. Good service -----Satisfactory service within 24hours.

  4. Delivery time ------15-25days for the mass production .

  5. Discount---------------discount base on monthly large quantity purchase in long term. 

Picture:

Construction Circle  Steel Pipe Q235 Grade

Construction Circle  Steel Pipe Q235 Grade





Q:Can steel pipes be used for underground heating systems?
Yes, steel pipes can be used for underground heating systems. Steel pipes are commonly used for this purpose due to their durability, strength, and resistance to corrosion. They can effectively transport hot water or steam to provide heating in underground systems.
Q:How are steel pipes coated for aesthetic purposes?
There are various ways to coat steel pipes for aesthetic purposes. One commonly used method is to apply a powder coating. This involves spraying a dry powder onto the pipe's surface and then heating it to create a durable and attractive finish. Powder coating offers a wide range of color options and provides a smooth coating. Another method is electroplating, which involves immersing the pipe in a solution containing metal ions and passing an electric current through it. This creates a thin, decorative layer on the surface of the pipe. Electroplating can produce shiny, reflective surfaces or more matte, textured appearances. Painting is also a popular method for coating steel pipes aesthetically. It involves applying liquid paint or enamel to the pipe's surface. By choosing different colors, textures, and finishes, painting allows for a variety of aesthetic possibilities. However, it is crucial to use paint specifically formulated for metal surfaces and capable of withstanding environmental conditions. In addition to these methods, steel pipes can be coated using techniques like hot-dip galvanizing or metal cladding. These processes involve applying a layer of another metal, such as zinc or aluminum, to the pipe's surface. This not only enhances the appearance but also protects against corrosion, extending the pipe's lifespan. Overall, there are multiple methods available for aesthetically coating steel pipes. Each method has its own advantages and should be selected based on the desired appearance, durability, and environmental conditions. Factors like color, texture, finish, and protective properties must be considered to ensure the desired aesthetic result is achieved.
Q:What are the environmental benefits of using steel pipes?
Steel pipes have several environmental benefits. Firstly, steel is a highly durable material, which means that steel pipes have a longer lifespan compared to other types of pipes. This reduces the need for frequent replacements, ultimately reducing waste generation. Additionally, steel is 100% recyclable, making it a sustainable choice. Using steel pipes promotes a circular economy by reducing the demand for virgin materials and minimizing carbon emissions associated with extraction and manufacturing processes. Furthermore, steel pipes are resistant to corrosion, reducing the risk of leaks and minimizing environmental contamination. Overall, the environmental benefits of using steel pipes include reduced waste, lower carbon emissions, and improved resource efficiency.
Q:What are the different types of steel pipe hangers?
There are several different types of steel pipe hangers that are commonly used in various industries and applications. These hangers are designed to support and secure pipes, ensuring proper alignment and preventing sagging or movement. 1. Clevis Hangers: Clevis hangers consist of a clevis, which is a U-shaped metal bracket, and a threaded rod that connects the clevis to the supporting structure. This type of hanger allows for vertical adjustment and is often used in suspended piping systems. 2. Split Ring Hangers: Split ring hangers are circular metal rings that are split on one side. They can be easily opened and closed around the pipe, providing a secure hold. Split ring hangers are commonly used for suspending horizontal pipes. 3. Beam Clamps: Beam clamps are designed to attach to structural beams or channels, providing a secure mounting point for pipe hangers. They come in various designs, including top flange, bottom flange, and side mount, to accommodate different installation needs. 4. Swivel Hangers: Swivel hangers are used to support pipes that may experience thermal expansion or contraction. These hangers allow the pipe to move horizontally while still providing support and preventing excessive stress on the connections. 5. Riser Clamps: Riser clamps are used to support vertical pipes or risers. They typically consist of a metal band that wraps around the pipe and a threaded rod that connects the band to the supporting structure. 6. Pipe Roller Supports: Pipe roller supports are used in applications where pipes need to move horizontally due to expansion or contraction. These hangers consist of a series of rollers that allow the pipe to move freely while still providing support. 7. Pipe Saddles: Pipe saddles are U-shaped brackets that wrap around the pipe, providing support on both sides. They are often used in applications where pipes need to be secured to walls or other structures. These are just a few examples of the different types of steel pipe hangers available. The specific type of hanger used will depend on factors such as pipe size, weight, location, and required movement allowance. It is important to choose the appropriate hanger for each application to ensure proper support and functionality of the piping system.
Q:What are the common fittings and accessories used with steel pipes?
There are several common fittings and accessories used with steel pipes in various applications. These fittings and accessories are essential for connecting, redirecting, controlling, and supporting the flow of fluids or gases through the pipe system. One of the most commonly used fittings is the steel pipe elbow, which allows for a change in direction of the pipe. Elbows are available in different angles, such as 45 degrees or 90 degrees, to accommodate specific piping needs. They are used to prevent sharp bends that could cause flow restrictions or pressure drops. Another common fitting is the steel pipe tee, which has three openings in the shape of a "T". Tees are used to create branch connections to redirect the flow of fluids or gases into multiple directions simultaneously. Steel pipe reducers are fittings used to connect pipes of different sizes. They come in two types, concentric reducers and eccentric reducers. Concentric reducers have a symmetrical design and allow for a smooth transition between pipes of different diameters. Eccentric reducers, on the other hand, have an offset design and are used when there is a need to align pipes at different levels. Couplings are fittings used to join two pipes together. They come in different types, such as threaded or socket weld couplings, and provide a secure and leak-proof connection between pipes. Flanges are another common accessory used with steel pipes. They are flat, round plates with holes in the center that allow for the connection of pipes, valves, or other equipment. Flanges are typically used in applications that require easy access for inspection, cleaning, or maintenance. Other common fittings and accessories include steel pipe caps, which are used to seal the ends of pipes, and steel pipe nipples, which are short lengths of pipe used to extend or connect two fittings. It is important to note that the selection of fittings and accessories for steel pipes depends on the specific application, such as the type of fluid or gas being transported, the pressure and temperature requirements, and the overall system design. Consulting with a professional or referring to industry standards is recommended to ensure the correct fittings and accessories are chosen for a particular steel pipe system.
Q:What are the different types of steel pipe nipples?
There are several different types of steel pipe nipples that are commonly used in various applications. These types include seamless, welded, threaded, and grooved steel pipe nipples. 1. Seamless steel pipe nipples: Seamless nipples are manufactured from a solid piece of steel without any seams or joints. This type of nipple is often preferred for high-pressure or critical applications due to its superior strength and reliability. Seamless nipples can be threaded or plain-ended, depending on the specific requirements. 2. Welded steel pipe nipples: Welded nipples are made by joining two or more pieces of steel together through welding. This type of nipple is commonly used in non-critical applications where high pressure is not a concern. Welded nipples are available in both threaded and plain-ended options. 3. Threaded steel pipe nipples: Threaded nipples have external threads at one or both ends, allowing them to be easily connected to other threaded fittings or pipes. These nipples are commonly used in plumbing, water supply systems, and other applications where a secure and leak-free connection is essential. Threaded nipples are available in various lengths and diameters to accommodate different requirements. 4. Grooved steel pipe nipples: Grooved nipples have a groove or indentation around the circumference of the nipple, which allows for easy installation using grooved couplings. This type of nipple is commonly used in fire protection systems, HVAC systems, and other applications where quick and efficient installation is necessary. Grooved nipples are available in various sizes and configurations to suit different piping systems. In summary, the different types of steel pipe nipples include seamless, welded, threaded, and grooved nipples. Each type has its own advantages and is suitable for specific applications. It is important to consider the specific requirements and conditions of the project before selecting the appropriate type of steel pipe nipple.
Q:Can steel pipes be used for water supply lines?
Yes, steel pipes can be used for water supply lines. Steel pipes are durable and have high tensile strength, making them suitable for carrying water. However, it is important to ensure that the steel pipes are properly treated to prevent corrosion and rusting.
Q:What are the typical lengths of steel pipes?
The typical lengths of steel pipes vary depending on the industry and application. However, common lengths for steel pipes range from 18 to 40 feet.
Q:How are steel pipes insulated for thermal applications?
Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.
Q:What are the common methods for cleaning the inner surface of steel pipes?
There are several common methods for cleaning the inner surface of steel pipes. Some of the most widely used methods include: 1. Mechanical Cleaning: This method involves the use of mechanical tools such as wire brushes, scrapers, or abrasive pads to physically remove debris, rust, or scale from the inner surface of the steel pipe. This method is effective for removing loose or loosely adhered contaminants. 2. Chemical Cleaning: Chemical cleaning involves the use of acidic or alkaline solutions to dissolve or loosen stubborn deposits, rust, or scale on the inner surface of steel pipes. The solution is usually circulated through the pipe for a specific period of time, allowing the chemical to react and break down the contaminants. This method is often used when mechanical cleaning is not sufficient. 3. High-Pressure Water Jetting: In this method, high-pressure water is directed through a nozzle into the steel pipe, effectively removing debris, rust, or scale from the inner surface. The force of the water jet helps dislodge and flush out the contaminants. This method is particularly efficient for cleaning pipes with complex geometries or hard-to-reach areas. 4. Shot Blasting: Shot blasting involves the use of high-speed abrasive particles propelled against the inner surface of the steel pipe to remove rust, scale, or other contaminants. This method is commonly used for larger pipes or pipes with heavy deposits. It provides a thorough and uniform cleaning by removing the surface layer of the steel along with the contaminants. 5. Ultrasonic Cleaning: Ultrasonic cleaning uses high-frequency sound waves to create microscopic bubbles in a cleaning solution. These bubbles implode upon contact with the inner surface of the steel pipe, effectively loosening and removing contaminants. This method is particularly effective for cleaning small-diameter pipes or pipes with intricate details. It is important to note that the selection of the cleaning method depends on various factors such as the type and extent of contamination, pipe size and geometry, and the desired level of cleanliness. Additionally, proper safety measures should always be taken when performing any cleaning method to ensure the protection of workers and the integrity of the steel pipes.

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