# Pipe Weight Calculator (Online & Free)

Have you ever wondered about the unsung hero of modern construction? Steel pipes, the backbone of our buildings and infrastructure, play a crucial role in shaping our world. In this article, we’ll dive into the fascinating world of steel pipes, exploring their types, applications, and the science behind calculating their weight. Get ready to discover how these seemingly simple structures make a big impact in our lives.

## What is pipe?

A steel structure with a hollow section, where the length is significantly greater than its diameter or circumference, is referred to as a pipe.

## Types of pipe

Steel pipes can be classified into different categories based on their section shape, material, purpose, and production process.

In terms of section shape, steel pipes can be round, square, rectangular, or special-shaped. According to the material, they can be divided into carbon structural steel pipes, low alloy structural steel pipes, alloy steel pipes, and composite steel pipes.

The purpose of steel pipes can determine their classification, for example, steel pipes for transmission pipelines, engineering structures, thermal equipment, the petrochemical industry, machinery manufacturing, geological drilling, and high-pressure equipment.

In terms of the production process, steel pipes can be either seamless or welded. Seamless steel pipes can further be divided into hot-rolled and cold-rolled (drawn) types. Welded steel pipes can be either straight-seam welded steel pipes or spiral-seam welded steel pipes.

Steel pipes have a wide range of applications, such as conveying fluid and powdery solid, exchanging heat energy, manufacturing mechanical parts and containers, and being an economic steel.

The use of steel pipes in building structure grids, struts, and mechanical supports can reduce weight, save 20-40% of the metal, and enable industrialized and mechanized construction. The use of steel pipes in manufacturing highway bridges can save steel, simplify construction, reduce the area of protective coating, and lower investment and maintenance costs.

## How to calculate pipe weight?

The calculation formula of pipe weight is:

W (kg / M) = 0.02466 * wall thickness * (outer diameter – wall thickness)

## Pipe Weight Calculator

According to the standards GB/T 21835-2008 and GB/T 17395-2008 for dimensions and weight per unit length of welded steel pipes, the theoretical weight calculation method for circular steel pipes, such as welded pipes and seamless pipes, is the same.

In the market, steel pipes can be delivered based on either theoretical weight or actual weight. When steel pipes are delivered based on theoretical weight, the density of ordinary and precision steel pipes is 7.85g/cm3, and the density of other steel types is specified in relevant standards.

You can use a steel pipe weight calculator to determine the weight of various steel pipes.

Related Tool: Steel Weight Calculator

## Pipe Weight Chart

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Author

#### Shane

##### Founder of MachineMFG

As the founder of MachineMFG, I have dedicated over a decade of my career to the metalworking industry. My extensive experience has allowed me to become an expert in the fields of sheet metal fabrication, machining, mechanical engineering, and machine tools for metals. I am constantly thinking, reading, and writing about these subjects, constantly striving to stay at the forefront of my field. Let my knowledge and expertise be an asset to your business.

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