Seamless Black Steel Pipes API5L,GB,ASTM,ASME,DIN

Seamless Black Steel Pipes API5L,GB,ASTM,ASME,DIN System 1

Seamless Black Steel Pipes API5L,GB,ASTM,ASME,DIN

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 44 m.t.

Supply Capability:: 500 m.t./month

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Product Description:

1. Commodity Name: Seamless steel pipe

2. Standard: API,GB,ASTM,ASME,DIN

3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.

4. Dimension:

OD: 1/2"-24"

WT: 2.5-80mm, SCH10~SCH40~XXL

length: 5.8m,6m,8m,9m,12m

5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn

6. application

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

7. Payment Terms: L/C D/A D/P T/T

8.packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

9. Surface: painted with varnish;

10. Plastic caps at ends.

11. Tolerance: OD +1%/-1%

WT +12.5%/-10%

9.picture

Seamless Black Steel Pipes API5L,GB,ASTM,ASME,DIN

Q: How do you calculate the pipe volume for steel pipes?: To calculate the pipe volume for steel pipes, you can use the formula V = πr^2h, where V represents volume, π is a mathematical constant (approximately 3.14159), r is the radius of the pipe, and h is the height or length of the pipe.

Q: What is hot rolled steel pipe? What is a cold drawn steel tube?: Overview of two processesHot-rolled (extrusion seamless pipe): billet, heating, perforation, three roll cross rolling, rolling or extrusion, tube to tube diameter (or reducing) - cooling - tube, straightening, pressure test (or testing), marking and warehousing.Cold drawing (rolling) seamless steel pipe: round tube to heating to perforation, annealing, pickling, leading to oil (copper), multi pass drawing (Leng Zha), the blank pipe, heat treatment, straightening, pressure test (testing), marking and warehousing.

Q: What is the maximum length of steel pipes available?: The maximum length of steel pipes available can vary depending on the manufacturer and specific application. However, steel pipes can typically be found in lengths ranging from 20 feet (6 meters) to 40 feet (12 meters) or even longer in some cases.

Q: What does "HBB" glass steel pipe mean?: The utility model has the advantages of high strength, light weight, no deformation, smoothness of the inner surface, etc.. The friction coefficient is small, the cable is light and smooth, and the cable is not damaged. The weight is only 1/4 of the steel tube, and the 1/10 of the concrete pipe can be moved by one person. The transportation is convenient and the construction is simple and convenient.

Q: What are the advantages of using steel pipes in the manufacturing of storage tanks?: There are several advantages of using steel pipes in the manufacturing of storage tanks. Firstly, steel pipes are known for their strength and durability, making them suitable for holding large volumes of liquids or gases. They can withstand high pressure and extreme weather conditions, ensuring the longevity of the storage tank. Additionally, steel pipes are resistant to corrosion, which is crucial for preventing leaks or contamination of the stored materials. Moreover, steel pipes can be easily welded, allowing for efficient and precise construction of storage tanks. Finally, steel pipes have a high recyclability rate, making them an environmentally friendly choice for storage tank manufacturing.

Q: Can steel pipes be used for gas lines?: Yes, steel pipes can be used for gas lines. Steel pipes are commonly used for gas lines due to their high strength and durability, making them suitable for transporting natural gas or propane safely and efficiently.

Q: Are steel pipes suitable for use in pharmaceutical industries?: Yes, steel pipes are suitable for use in pharmaceutical industries. Steel pipes are known for their durability, strength, and resistance to corrosion. These qualities make them ideal for transporting chemicals, gases, and liquids safely and efficiently within pharmaceutical facilities. Additionally, steel pipes can be easily cleaned and sanitized, ensuring the maintenance of high hygienic standards required in the pharmaceutical industry.

Q: Can steel pipes be used for nuclear power plants?: Yes, steel pipes can be used for nuclear power plants. Steel pipes are commonly used for various applications in nuclear power plants, such as transporting coolant, steam, and other fluids. They are selected based on their ability to withstand high temperatures, pressures, and corrosive environments. However, specific requirements and regulations related to nuclear safety and radiation protection must be strictly followed during the design, fabrication, and installation of steel pipes in nuclear power plants.

Q: What is the difference between hot-finished and cold-finished steel pipes?: Hot-finished and cold-finished steel pipes are distinguished by their manufacturing processes, resulting in different characteristics and uses. Hot-finished steel pipes are manufactured by heating a solid steel billet to a high temperature and then piercing it to create a hollow tube. This process is known as hot rolling. The hot rolling process ensures that the steel is malleable and can be easily shaped into the desired form. Hot-finished steel pipes have a rough surface and more rounded edges. They are typically larger in diameter and have thicker walls. These pipes are commonly used in applications that require high strength and resistance to pressure, such as in the oil and gas industry, structural projects, and heavy machinery. In contrast, cold-finished steel pipes are made through a process called cold drawing. This involves pulling the hot-finished steel pipe through a die at room temperature to reduce its diameter and achieve the desired shape. The cold drawing process provides a more precise and smoother finish to the steel pipes. Cold-finished steel pipes have a smoother surface and sharper edges compared to hot-finished pipes. They are generally smaller in diameter and have thinner walls. Cold-finished steel pipes are commonly used in applications that require precise dimensions, such as automotive parts, construction components, and machinery manufacturing. Overall, the main difference between hot-finished and cold-finished steel pipes lies in their manufacturing processes, resulting in variations in surface finish, dimensions, and applications. Hot-finished pipes are suitable for high-strength and pressure-resistant applications, while cold-finished pipes are ideal for precise dimensions and smooth surface requirements.

Q: How do you repair a damaged steel pipe?: To repair a damaged steel pipe, the first step is to assess the extent of the damage. Once identified, the damaged section can be cut out and replaced with a new piece of pipe. Alternatively, for smaller damages, patches or clamps can be used to cover the affected area. It is essential to clean and prepare the surface properly before applying any repair method, such as welding or epoxy. Seeking professional help is recommended for complex or extensive damages to ensure a safe and effective repair.

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