shouldered grooved pipe for tunnel

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Product Name	Shouldered Grooved pipe
Outside Diameter(mm)	60.3mm-425mm
Wall thickness(mm)	2mm-20mm
Certification	FM/UL; SGS/BV
Standard	1.ASTM A106/A53 GR.A; ASTM A106/A53 GR.B; ASTM A53/A106 GR.C 2.APL 5L GR.B, API 5CT J55, K55, N80 3.ASTM, BS,DIN, EN
Grade	A, B, C, ST33, ST37, ST35.8, ST45-8, ST45-4, ST52
Place of Origin	Hebei Cina
Face finished	1.Manual polished 2.mechanical polished 3.black paint on the face 4.Shoulder Grooved on both ends 5.Galvanized or Colour Painting
Export	Europe, South America, the Middle East, Africa, Asia and other countries and regions, well received by consumers!
Process Method	1.Cold Drawn 2.Cold rolled 3.Hot rolled 4. Hot expanded
Application	Tube with hollow cross-section, a large number of channels for transporting fluids, such as the transportation of oil, natural gas, gas, water and some solid materials, pipes, etc..
Package	1.Inner Packing:Caps at both ends, steel strong trips on every bundle 2.Outer Packing:Standard export package or as per clients' requirements

Q: Are steel pipes affected by UV rays?: Yes, steel pipes can be affected by UV rays. Prolonged exposure to UV radiation can lead to the degradation of the protective coatings on steel pipes, causing them to corrode and weaken over time. It is important to implement proper protective measures, such as applying UV-resistant coatings or using protective covers, to mitigate the impact of UV rays on steel pipes.

Q: What is the difference between steel pipes and copper-nickel pipes?: The main difference between steel pipes and copper-nickel pipes lies in their composition and characteristics. Steel pipes are primarily made of iron and carbon, whereas copper-nickel pipes are made of a combination of copper and nickel with trace amounts of other elements. Steel pipes are known for their strength and durability, making them suitable for a wide range of applications, particularly in industries where high pressure and temperature conditions are present. Steel pipes are also relatively cost-effective and have good corrosion resistance, especially when coated or galvanized. On the other hand, copper-nickel pipes are highly resistant to corrosion and have excellent heat transfer properties. They are commonly used in marine environments due to their resistance to saltwater corrosion. Copper-nickel pipes also exhibit antimicrobial properties, making them suitable for applications in healthcare and food processing industries. However, copper-nickel pipes are generally more expensive than steel pipes. In summary, steel pipes are valued for their strength and affordability, while copper-nickel pipes offer superior corrosion resistance and heat transfer properties, but at a higher cost. The choice between the two depends on the specific requirements of the application.

Q: How are steel pipes recycled at the end of their life cycle?: Steel pipes are typically recycled at the end of their life cycle through a process called steel scrap recycling. This involves collecting the used pipes, cleaning them to remove any contaminants, and then shredding or cutting them into smaller pieces. These pieces are then melted down in a furnace to create new steel products, including pipes. The recycled steel pipes are then ready for use in various industries, reducing the need for new production and conserving valuable resources.

Q: How do you calculate the pipe volume flow rate for steel pipes?: To calculate the volume flow rate of steel pipes, you need to consider the pipe's diameter and fluid velocity. The formula used for this calculation is Q = A * V, where Q represents the volume flow rate, A is the cross-sectional area of the pipe, and V is the fluid velocity. To start, you need to determine the cross-sectional area of the pipe. For a circular pipe, you can use the formula A = π * r², where A is the area and r is the radius of the pipe. If the diameter of the pipe is given, you can simply divide it by 2 to obtain the radius. Next, you need to determine the fluid velocity. This can be done by measuring the velocity directly using a flowmeter or by calculating it based on the fluid's properties and the pressure drop across the pipe using the Bernoulli equation or other appropriate equations. Once you have both the cross-sectional area and fluid velocity, you can multiply them together to find the volume flow rate. Make sure the units are consistent throughout the calculation. For example, if the area is in square meters and the velocity is in meters per second, the resulting volume flow rate will be in cubic meters per second. It is worth noting that the calculation assumes the fluid is incompressible and flows steadily through the pipe. If the fluid properties or flow conditions change, additional considerations may be required to accurately calculate the volume flow rate.

Q: What are the different sizes of threads available for steel pipes?: The different sizes of threads available for steel pipes vary depending on the specific requirements and standards. Common thread sizes for steel pipes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 3-1/2", 4", 5", 6", 8", 10", and 12". However, these sizes may vary based on the specific industry, country, and application.

Q: How are steel pipes used in the manufacturing of storage tanks?: Steel pipes are commonly used in the manufacturing of storage tanks due to their high strength, durability, and resistance to corrosion. These pipes are typically used as the main structural component of the tank, providing the necessary strength to support the weight of the stored materials. Additionally, steel pipes can be easily welded together, allowing for the construction of large, seamless tanks that can hold various liquids or gases. Overall, steel pipes play a crucial role in ensuring the integrity and longevity of storage tanks.

Q: What is the density of steel pipes?: The density of steel pipes fluctuates based on the particular grade and composition of the steel employed. On the whole, steel pipes generally possess a density of approximately 7.8 grams per cubic centimeter (g/cm³) or 7800 kilograms per cubic meter (kg/m³). It should be emphasized that this figure may undergo slight variations contingent upon factors such as the manufacturing technique and the specific alloy integrated into the steel.

Q: 25 of the steel pipe with 6 in charge of what is the difference?: Outer diameter representation of steel pipe:When the design is nominal diameter DN means diameter, should be nominal diameter DN and the corresponding product specifications table. Specification for unplasticized polyvinyl chloride pipes for building drainage, de (nominal outer diameter) * e (nominal wall thickness), (GB, 5836.1-92), polypropylene (PP) pipe for water supply, specifications by de * e (nominal outer diameter * wall thickness).

Q: The plastic pipe and steel pipe difference: The steel plastic pipe is a general term, which includes plastic pipe, plastic lined pipe. Plastic pipe external coating, zinc coated and so on in Shanghai, Fujian, Portland, professional in this area

Q: How are steel pipes classified based on their diameter?: Steel pipes can be classified based on their diameter into various categories. The most common classification system for steel pipes is based on the nominal pipe size (NPS). NPS is a North American set of standard sizes that are used to designate the diameter of a pipe. It is expressed in inches and represents the approximate inside diameter (ID) of the pipe. Steel pipes are typically classified into three main categories based on their diameter: small bore, medium bore, and large bore. Small bore pipes typically have NPS of 2 inches and below, medium bore pipes have NPS between 2 and 24 inches, and large bore pipes have NPS greater than 24 inches. In addition to the NPS classification, steel pipes can also be classified based on their actual outside diameter (OD). This classification is used to determine the compatibility of pipes with fittings and other components. The OD classification is usually expressed in inches or millimeters. Overall, the classification of steel pipes based on their diameter provides a standardized system for easy identification and selection of pipes for various applications. It helps in ensuring compatibility, efficient installation, and effective functioning of piping systems in different industries such as construction, oil and gas, plumbing, and more.

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