About Us
Eastern Steel Manufacturing Co.,Ltd is a leading manufacturer and distributor of seamless steel pipe, welded steel pipe, OCTG products and fittings. We supply first-step processing, semi-finished parts and finished parts to help our clients meet fabrication requirements beyond their capacity or to improve operations by moving forward the pre-production processing.
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In this column you can find the steel pipe related articles you need, including industry trends, product standards and materials, and some technical guidelines.
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Eastern Steel Manufacturing Co.,Ltd not only improve product production and sales services, but also provide additional value-added services. As long as you need, we can complete your specific needs together.
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Eastern Steel Manufacturing Co.,Ltd not only improve product production and sales services, but also provide additional value-added services. As long as you need, we can complete your specific needs together.
Projects
Many years of large-scale project experience in various fields（Oil & Gas, Construction, Power Energy, Marine & Offshore, Water Treatment, Exploration & Drilling Services, Pipeline & Petrochemical etc.）, professional project team is responsible from receiving until the end of the project.
Seamless steel pipe has a hollow cross-section and is widely used as a pipeline for conveying fluids, such as oil, natural gas, coal gas, water and some solid materials. Compared with solid steel such as round steel, steel pipe is lighter in weight under the same bending and torsional strength. It is an economical cross-section steel and is widely used in the manufacture of structural parts and mechanical parts, such as oil drill pipes, automobile transmission shafts, bicycles, etc. The use of steel pipes to make annular parts such as frames and steel scaffolding used in construction can improve material utilization, simplify manufacturing processes, save materials and processing time, such as rolling bearing rings, jack sleeves, etc., have been widely made of steel pipes.
The weight of seamless steel pipe depends on its length, diameter and wall thickness, and is usually calculated using the following formula:
Weight (kg) = (outer diameter-wall thickness) × wall thickness × length × 0.02466
Among them, 0.02466 is the density coefficient, which depends on the material of the steel pipe and is generally 7.85 (g/cm³).
The following are the weights of some common seamless steel pipes for reference only:
1. 2-inch SCH40 seamless steel pipe weighs about 3.64kg/m
2. 3-inch SCH40 seamless steel pipe weighs about 5.51kg/m
3. 4-inch SCH40 seamless steel pipe weighs about 7.46kg/m
4. 6-inch SCH40 seamless steel pipe weighs about 13.78kg/m
It should be noted that the weight of seamless steel pipes of different thicknesses and diameters will be different. The above data is only for reference of common specifications.
3. Calculate the weight of the steel pipe based on the volume and density coefficient of the steel pipe, the formula is: volume × density coefficient
In addition to length, diameter and wall thickness, the weight of seamless steel pipes is also affected by the following factors:
Different steels have different densities, and the weight of steel pipes of the same specifications is also different.
The weight of non-standard steel pipes is difficult to determine.
Different surface treatments will also affect the weight of seamless steel pipes. For example, coating treatments such as painting or galvanizing will increase the weight of the pipe, while cold galvanizing will not.
The pipe diameter is one of the main factors affecting the weight of seamless steel pipes. Generally speaking, the larger the diameter, the heavier the seamless steel pipe. According to industrial standards, seamless steel pipes with larger diameters are more suitable for conveying large amounts of gas, fluid and solid materials.
Wall thickness is also an important factor affecting the weight of seamless steel pipes. Compared with the diameter, the wall thickness has a more obvious effect on the weight of seamless steel pipes. For seamless steel pipes of the same diameter, the thicker the wall, the heavier the weight.
The alloy elements in seamless steel pipes also have a certain effect on the weight of the pipe. Adding alloy elements such as chromium and nickel can improve the hardness and corrosion resistance of seamless steel pipes, but it will also increase the weight of the pipe.
The length of the steel pipe will also affect its total weight. For steel pipes of the same diameter and wall thickness, the longer the length, the greater the total weight.
During the manufacturing process, the outer diameter and wall thickness of the steel pipe may have a certain allowable deviation, which will indirectly affect the weight of the steel pipe.
Different production processes such as cold rolling or cold drawing may result in slight differences in the weight of the steel pipe.
In summary, the weight of a seamless steel pipe depends on its length, diameter and wall thickness, and its weight can be calculated using a formula or calculator. It is necessary to select the appropriate seamless steel pipe specifications and materials according to the specific situation to achieve the best use effect.
Read more: Seamless Steel Pipe Sizes
E-mail: sales@eastern-steels.com
