hot dip galvanized steel pipe schedule 40

hot dip galvanized steel pipe schedule 40

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 60000 m.t./month

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Specification

Standard:

AISI,JIS,GB,BS,DIN,API,EN,ASTM

Technique:

Hot Rolled,Cold Rolled,ERW,Saw,Spring

Shape:

U Channel,Square,C Channel,Hexagonal,Round,Rectangular,Oval,LTZ

Surface Treatment:

Galvanized

Steel Grade:

Q235,Q235B,SS400-SS490

Thickness:

0.6~40mm

Length:

6 meters

Net Weight:

N/M

schedule 40 galvanized steel pipe are widely used in construction, steel structure, machinery etc. we can produce as per international standards. Our pipes are popluar among customers in the world for their qualith and reasonable price.

For further more informations about our steel pipe products, please see as follow table

Commodity	schedule 40 galvanized steel pipe
Shape	Round Pipe	Square Pipe	Rectangular pipe
Dimensions	O.D 1/4''~52''	1010~12001200mm	1020~10001200mm
Wall thickness	0.6~60mm	0.6~40mm	0.6~40mm
Length	Normal 6 meters long or Random lenght
Tolerance	O.D: +/- 5%, Thickness: +/- 5%; Length: +/-10%
Producing standard	Round pipe: GB/T3091, BS1387-1987, ASTM A53, DIN2440, EN39-2001. Square/Rectangular tube: GB/T6728-2002, ASTM A500 Gr A B C, JIS G3466 etc
Steel Grade	Carbon steel: Q195, Q215,Q235,Q345;SS400, STK400, STK490, ASTM A500, A53, ST37, ST35 etc.
Surface treatment	Hot dip galvanized, painting, oil, plastic powder coating, plain/beveled ends or threaded with sockets/coupling and plastic caps etc.
Inspections	With hydraulic testing, eddy current and infrared test etc
Usages	Scaffolding pipe, Structure pipe, Fence/Door pipe, Furniture, Low pressure fluid pipe for water oil or gas, Boiler pipe
Package	In bundles by steel strips, waterproof woven cloth with 7 slats, then pack into 20' or 40' container, in bulk or as per your requirements
Lead time	Within 20 days or as per your requirements
Others	1:Special design available according to requirement. 2:Pipe can be painting. 3:All production process are under the ISO9001:2000 strictly.

Q: Can steel pipes be used for wastewater systems?: Yes, steel pipes can be used for wastewater systems. Steel pipes have been widely used in wastewater systems due to their durability, strength, and resistance to corrosion. They are capable of withstanding high pressure and can effectively carry and transport wastewater over long distances. Additionally, steel pipes can be easily welded, allowing for the creation of a seamless pipeline system that minimizes the risk of leakage. Moreover, steel pipes are environmentally friendly as they can be recycled, making them a sustainable choice for wastewater systems. However, it is important to consider the specific requirements of the wastewater system and consult with experts to determine the most suitable material for the project.

Q: Can steel pipes be used for gas distribution?: Yes, steel pipes can be used for gas distribution. Steel pipes are commonly used for transporting natural gas and other gases due to their high strength, durability, and resistance to corrosion. They can withstand high pressure and are suitable for long-distance gas distribution networks. However, it is important to ensure proper materials and installation techniques are used to prevent any potential safety hazards.

Q: What is the diameter of the steel tube DN20?: Stress: the nominal diameter is not the outer diameter of the pipe, nor the inner diameter of the tube. It is not the average value of the inside and outside diameter (the nominal diameter of the equipment refers to the outer diameter).

Q: What is the difference between carbon steel and alloy steel pipes?: Carbon steel and alloy steel pipes are both types of steel pipes, but they differ in their composition and properties. Carbon steel pipes are made primarily from carbon and iron, with small amounts of other elements such as manganese, silicon, and copper. They are known for their strength and durability, making them a popular choice for various applications in industries such as construction, oil and gas, and automotive. Carbon steel pipes are relatively inexpensive and have good resistance to corrosion. On the other hand, alloy steel pipes are made by adding other alloying elements to carbon steel. These alloying elements can include elements such as chromium, nickel, molybdenum, and vanadium, among others. The addition of these elements enhances the properties of the steel, such as increased strength, improved corrosion resistance, and better heat resistance. Alloy steel pipes are commonly used in high-temperature and high-pressure applications, such as in power plants, refineries, and chemical plants. In terms of cost, alloy steel pipes are generally more expensive than carbon steel pipes due to the additional alloying elements. However, the added benefits in performance and durability can often justify the higher cost. In summary, the main difference between carbon steel and alloy steel pipes lies in their composition and properties. Carbon steel pipes are primarily made of carbon and iron, while alloy steel pipes contain additional alloying elements for enhanced properties. Carbon steel pipes are known for their strength and affordability, while alloy steel pipes offer improved strength, corrosion resistance, and heat resistance.

Q: How does the price of steel pipes vary based on market demand?: The price of steel pipes can vary based on market demand as it follows the basic economic principle of supply and demand. When the demand for steel pipes is high and the supply is limited, the price tends to increase. Conversely, when the demand is low and there is excess supply, the price tends to decrease. Factors such as infrastructure projects, industrial growth, and construction activities heavily influence the demand for steel pipes, thus impacting their price in the market.

Q: Can steel pipes withstand high temperatures?: Yes, steel pipes can withstand high temperatures. Steel is a strong and durable material that has high heat resistance. It can retain its strength and structural integrity even when exposed to extreme heat, making it suitable for various high-temperature applications such as industrial furnaces, power plants, and steam pipelines.

Q: How are steel pipes protected against corrosion?: Steel pipes are protected against corrosion through various methods such as applying protective coatings, galvanizing, cathodic protection, and using corrosion inhibitors.

Q: Can steel pipes be used for underground water supply pipelines?: Indeed, underground water supply pipelines can utilize steel pipes. The reason for the widespread use of steel pipes in water supply systems is their ability to endure, their strength, and their resistance to corrosion. They can withstand high levels of pressure and can accommodate large quantities of water. Furthermore, steel pipes come in a variety of sizes and thicknesses, granting flexibility in the design and installation of underground water supply pipelines. However, it is crucial to ensure that the steel pipes are appropriately coated or lined to avert corrosion and uphold the water's quality during transportation. Regular inspections and maintenance must also be carried out to prevent any potential problems with the steel pipes.

Q: Seamless steel pipe 8162 and 8163 what is the difference?: 8163 GB is fluid delivery tube, need to use eddy current detection, fluid transport, liquid, gas, solid, such as natural gas, water, gas, coal and stone, 8162 and 8163 of the popular point that is 8163 more than 8162 senior, 8163 inspection, 8162 inspection. I hope you understand！

Q: How do you measure the thickness of a steel pipe?: Different methods can be used to measure the thickness of a steel pipe, depending on the required precision and available tools. Here, we present three commonly used approaches: 1. Calipers or Vernier Calipers: These are widely used and straightforward tools for measuring thickness. Place the jaws of the calipers on both sides of the pipe, ensuring they are perpendicular to the surface. Gently close the jaws until they touch the pipe, and then read the measurement on the caliper scale. 2. Ultrasonic Thickness Gauge: This method provides more accurate results and is commonly employed in industrial settings. An ultrasonic thickness gauge emits high-frequency sound waves that penetrate the steel pipe. By measuring the time it takes for the sound waves to bounce back, the gauge calculates the pipe's thickness. Before taking the measurement, ensure that the pipe surface is clean and smooth. 3. Magnetic Thickness Gauge: This method is specifically designed for measuring the thickness of ferrous materials like steel. The gauge incorporates a small magnet that adheres to the pipe surface. By applying a magnetic field, the gauge determines the distance between the magnet and the base plate. This distance corresponds to the thickness of the steel pipe. It is important to consider that each method has its own limitations in terms of accuracy. The choice of measurement technique should be based on the desired precision, availability of tools, and the specific requirements of the application.

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