Tiếng Việt
ភាសាខ្មែរHow to calculate steel weight in construction? To calculate the weight of a steel plate, you need to answer some questions as follows.
First, what type of steel are you working with? One of the most important variables in any calculation of the weight of a steel plate is density. When calculating the weight of a steel plate, you typically group steel plates into four categories based on their density: carbon steel plate and stainless steel, 300 series and 400 series.
Second, you will need to know the dimensions of the steel plate, which include the length (L), width (W), and thickness (T). If you multiply the length, width, and thickness of the plate, you will get the result of the volume.
Why use a steel weight calculator?
Whether it is steel, stainless steel, aluminium, or brass, Bao Tin Steel’s weight calculator can accurately estimate the overall load size of your metal order. Our metal weight calculator allows customers to predetermine exactly how long the steel pipe is and the load capacity of the material, eliminating guesswork and saving significant time and costs.
Our metal weight calculator determines estimated weights for the following steel, stainless steel, aluminium, and copper shapes:
- Plate
- Pipe
- Bar
- Round
- Square
How to look up steel weight in construction?
There are many popular types of steel on the market today, such as seamless steel pipes, large-sized steel pipes, square steel, steel plates, etc.
Therefore, it is necessary to calculate its weight accurately. Information about the steel weight calculation formula can help you calculate faster and more accurately in purchasing your order.
- 1M = 3.281″
- 1″ = 25.4MM
- 1 Pound = 0.4536 Kilogram
- 1 Kilogram = 9.81 N
- 1 MPa = 145.161 Pound/Inch
Example of steel weight in kg
| If the length L is in meters
Multiply the total length of the bar by the following weight unit: |
If the length L is in feet
Multiply the total length of the bar by the following weight unit: |
|
|
Above are the common units of measurement for steel today. We should understand what steel is and how it is structured to produce a complete steel product.
What is the density of steel?
Steel density is a familiar term in the construction industry. When you understand the density of steel, you can calculate the most accurate structural mass. This helps avoid errors in construction.
Steel density is the mass per unit volume of that material. The standard density of steel is 7850 kg/m³ or 7.85 tons/m³. So, the correct understanding is that 1 m³ of steel has a mass of 7.5 tons.
Important Note:
- The density of steel is 7,850 kg/cm³
- The density of iron is 7,800
You need to clearly distinguish between iron and steel because steel is mainly composed of iron and a certain amount of carbon and some other elements.
What is the specific gravity of steel?
The specific weight of steel is the weight of a cubic meter per unit of object. So it can be understood that the specific weight of steel is the gravitational force of the earth on that object, and the unit is Newton per cubic meter (N/m³); those who study physics will understand this issue very clearly.
The latest formula table for calculating construction steel weight 2024
Weight (KG) = 7850 x length L x Cross-sectional area
In there:
- 7850: is the specific gravity of steel (kg/m3)
- L: is the length of steel (m)
- The cross-sectional area also depends on the length and shape of the steel.
When starting a calculation, you will need to know the dimensions of the object, which include the length (L), width (W), and thickness (T). If you multiply the length, width, and thickness of the steel plate, you will get the result of the volume.
To calculate the weight of a steel plate, all you need is the following information:
Additional notes: Diameter, Length, Thickness, Width: Outer Diameter, Inner Diameter: Wall Thickness: Side:
1. Formula for calculating threaded steel
Diameter(mm) * Diameter(mm) * 0.00617 * Length(m)
For easy understanding, for example: If the diameter is 20mm and the length is 12m, you will have the following calculation formula:
20*20*0,00617*12 = 29,616kg
2. Steel pipe calculation formula
(outer diameter – pipe wall thickness) * pipe wall thickness (mm) * 0.02466 * Length (m)
For example: If the outside diameter is 20mm, the wall thickness is 5mm and the length is 5m, you will have the following calculation formula:
(20-5) * 5 * 0,02466 * 5 = 9.2475kg
Currently, Bao Tin Steel is a reputable business unit trading in steel pipes, such as cast steel pipes, black steel pipes, and large-sized steel pipes, with the best price in the Ho Chi Minh City market, and in 2024, it will be trusted by many domestic and foreign customers, especially the Cambodian market.
3. Steel plate calculation formula
7,85 * 6 * 2 * 2 = 188,4kg
4. Square steel calculation formula
Square steel weight
[4*6.35*301 – 4*6.36*6.35]*7.85*0.001*12= 705.003 kg/12m
Weight of rectangular steel
[2*6.35*(301+273)- 4*6.36*6.35]*7.85*0.001*12= 671.506 kg/12m
5. Formula for calculating iron weight
We need to understand the general conversion formula in construction steel which is calculated as follows:
M = (7850 * 12 * 3.14 * 0.0082)/ 4 = 0.3944 kg.
Chú thích:
- M is the mass.
- L is the length of the steel bar in meters.
- D is the diameter of the steel bar in meters.
TCVN standard table customers can refer to
| TCVN Standard | Diameter(mm) | Cross section (mm2) | Weight(Kg/m) | Tolerance(%) |
| 1651-2008 | Ø 6 | 28.3 | 0.222 | ±8 |
| Ø 8 | 50.27 | 0.395 | ±8 | |
| Ø10 | 78.5 | 0.617 | ±6 | |
| Ø12 | 113 | 0.888 | ±6 | |
| Ø14 | 154 | 1.21 | ±5 |
In addition to the above formulas for calculating construction steel weight, customers can look it up using the construction steel weight calculation table.
Frequently Asked Questions
How do I calculate the weight of the pipe?
To calculate the weight of a pipe, assume a 10 ft (or 120 in) long, 2-inch diameter mild steel pipe with a wall thickness of 1/8 inch:
1. First, we find the mass of the pipe material using this equation:
volume = π × [(diameter/2)² - (diameter/2 - thickness)²] × length = π × [(2 inches/2)² - (2 inches/2 - 1/8 inch)²] × 120 inches = 88.36 in³
2. Multiply the volume of the pipe material by the density of the material. In this case, the density of mild steel is 0.2847 lb/in³. We would then get:
weight = volume × density = 88.36 in³ × 0.28468 lb/in³ ≈ 25.154 lb
What is the formula for calculating the weight of steel pipe?
The formula for the weight of steel pipe is:
weight = π × [(diameter/2)² - (diameter/2 - thickness)²] × length × steel density
where the density of steel can be 7.88 g/cm³ for mild steel, 7.84 g/cm³ for carbon steel and 8.03 g/cm³ for stainless steel.
How do you calculate pipe weight in kg?
To calculate the weight of the pipe in kilograms, make sure to use kilograms per cubic meter for the density of your pipe material and multiply that number by the volume of the pipe material in cubic meters. So, use this formula:
weight = π × [(diameter/2)² - (diameter/2 - thickness)²] × length × pipe material density
Ensure your diameter (outside diameter), thickness (pipe wall thickness), and length are in meters.
IMPORTANT NOTE: All weight tables shown in this article are for guidance and reference only. They are calculated using available dimensions and scientifically recognized densities. Please note that actual metal weights may vary significantly from theoretical weights in practice due to variations in manufacturing tolerances and composition.
The information contained herein is based on the current knowledge and experience of Bao Tin Steel and is provided in good faith. However, the company will not accept any liability for any actions taken by any third party in reliance thereon. As the products used herein may be used for various purposes and as the Company has no control over their use, the Company specifically excludes all conditions and warranties expressed or implied by statute or as to their size, character, or fitness for any particular purpose.
Conclusion
So through this article, we have grasped how to calculate the weight of construction steel, right? Through this, we have also added more knowledge about the concept of the specific gravity of steel and what the specific gravity of steel is.
If you have questions related to our construction steel weight calculator or want to learn more about our aluminium, cast steel pipe, black steel pipe, and stainless steel product options, please contact Bao Tin Steel immediately.
To check the most accurate weight, customers can contact our sales staff directly, specifically:
- Mr Hương – 0903.332.176
- Ms Thanh Hằng – 0909.500.176
- Ms Thùy Dung – 0909.323.176
Tiger Steel is a subsidiary of Bao Tin Steel