# Calculate steel weight

- Various steel shapes
- steel weights
- Round bar - calculate weight
- Calculate weight tube (formula for cylinder volume)
- Steel sheet Calculate weight as well as flat and shaped steel weight (formula box volume)
- Calculate small parts made of steel
- Calculate steel weight online

##### Various steel shapes

- flat steel
- Square tube
- Square steel
- Round steel
- steel tube
- sheet steel

Anyone who has or wants to determine the weight of a steel part can either weigh it or calculate the steel weight.

Especially with larger parts, the possibility of weighing them in the private sector is usually eliminated.

In the weight calculation of steel and other metals, there are various options that are more or less suitable depending on the size and type of the item.

In any case you need the specific weight of the metal or steel grade if you can not or do not want to use an online calculator.

## steel weights

Depending on the alloy, the specific weight for different types of steel varies. However, the differences are not so great that they play a significant role in most everyday applications.

If you want to know exactly, you have to take the specific weight of a steel table. Here is a brief overview of the specific gravity of stainless steel and mild steel, but there are many alloys and grades.

### Steel weight table

A cube with an edge length of 10 cm (cubic decimeter) has the following weight

for carbon steel | 7.85 kg |

at stainless steel V2A | 7.90 kg |

at stainless steel V4A | 8,00 kg |

## Round bar - calculate weight

To calculate the weight of round steel, we need the formula for the volume of a cylinder. This is V = π * r 2 * h.

**Example Calculation: **The round steel whose weight we want to calculate is 10 mm in diameter and one meter long.

- Converted into the formula 3.14 x (0.5 cm x 0.5 cm) x 100 cm = 78.5 cubic centimeters.
- Since a cubic decimeter has 1000 cubic centimeters, so that results
- 0,0785 cubic decimeters x 7,85 kg specific gravity of unalloyed steel logo CNRS logo INIST
**0.616 kilograms.**

## Calculate weight tube (formula for cylinder volume)

Formula and shape are not different from the round steel, only two cylinders have to be calculated here. Once starting from the outside diameter and once from the inside diameter.

At the end, only the volume of internal cylindrical cavity has to be subtracted from the volume of the cylinder with the outside diameter. It remains the volume for the pipe.

**Example: **The weight of a steel tube with an outer diameter of 5 cm and a material thickness of 5 mm and a length of one meter should be calculated.

Insert the measurements into the volume formula (V = π · r2 · h) and calculate:

- Volume from outside diameter: 3.14 x (2.5 cm x 2.5 cm) x 100 cm = 1962.5 cubic centimeters
- less the volume of the cavity: 3.14 x (2 cm x 2 cm) x 100 cm = 1256 cubic centimeters
- Result: 706.5 cubic centimeters. These 706.5 cubic centimeters are 0.7065 cubic decimeters x 7.85 kg specific gravity = 5.466 kg is the weight of the pipe.

The approach of a rectangular tube is the same as a round one, except that it has to be based on the volume formula of a cuboid, that is, length x width x height.

## Steel sheet Calculate weight as well as flat and shaped steel weight (formula box volume)

For all shapes that are basically rectangular, the formula for determining the box volume is used:

Length x width x height or often called a x b x c.

In the case of shaped steel, ie profiled beams, several are calculated, otherwise the calculation corresponds to that of flat steel or sheet steel.

**Example Calculation:** A flat steel piece of V4A steel is one meter long, 10 cm wide and 1 cm thick. The bill is:

- 1 cm x 10 cm x 100 cm = 1000 cubic centimeters, which corresponds to exactly 1 cubic decimeter.
- One cubic decimeter of V4A steel has a specific weight of 8 kg / cubic decimeter
- the flat steel weighs 8 kilograms

Danger:At the mere assessment without computational approximation or concrete weighing you are quickly wrong. Would you have thought that a steel sheet measuring 1 x 1 m and 5 mm thick would weigh almost 40 kilograms?

## Calculate small parts made of steel

For complex shapes (figures and the like), the volume can be determined by measuring the amount of liquid that displaces them, provided that they are not sensitive to short-term moisture.

Place the part in a container and fill it up until the part is covered. Mark the waterline.

Remove the part and refill with a measuring cup until the container is filled again to the mark made. As much water as had to be refilled, so much volume has the part.

One liter equals one cubic decimeter. For example, if you had to refill 2 liters, that would mean 2 x 7.85 kg, that is, 15.6 kilograms, for a non-alloy steel.

## Calculate steel weight online

There are weight calculators for metal from various steel manufacturers. There you only have to specify the type (ie plate, flat steel, tube or similar) as well as dimensions (diameter, length, width, etc.) and, if necessary, the alloy to calculate simple and common steel parts.

Steel Excel spreadsheets and similar tools can also be found online for the same purpose.

When searching for a tool, simply specify what you want to calculate. For example, "calculate steel pipe V2A".

Author:Christiane Baldwin - Online Editor and HandymanPhoto Credits:

Cover picture: Pixabay / PublicDomainPicturesquare steel tubes: Pixabay / JAHuddlestonChecker plate: Pixabay / detail designrusty steel: Pixabay / DilanIDStudioPerforated sheet: pixabay / imonedesigPost picture Square steel pipes: Pixabay / JAHuddlesvolume

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