Galvalume steel is primarily supplied in coil form. The “weight per sheet” is a value derived after the coil is uncoiled and cut into specific sheet dimensions (length and width). The thickness of the sheet is determined by the thickness of the steel in the coil.
Calculating Galvalume Sheet Weight
To determine the weight of an individual Galvalume steel sheet cut from a coil, you need the following parameters:
- Thickness (T): The gauge or thickness of the steel sheet.
- Width (W): The width of the steel sheet.
- Length (L): The length of the steel sheet.
- Density (D): The density of Galvalume steel.
The formula to calculate the weight of a sheet is:
Sheet Weight = Thickness × Width × Length × Density
It’s crucial to use consistent units for all measurements. For instance:
- If Thickness is in millimeters (mm), Width in meters (m), Length in meters (m), and Density in kilograms per cubic meter (kg/m³), the weight will be in kilograms (kg) after dividing the thickness by 1000 (to convert mm to m):
Weight (kg) = (T / 1000) × W × L × D
- If Thickness is in inches (in), Width in inches (in), Length in inches (in), and Density in pounds per cubic inch (lb/in³), the weight will be in pounds (lb):
Weight (lb) = T × W × L × D
The density of Galvalume steel is very similar to that of carbon steel. A commonly used approximate value for density is:
- 7850 kg/m³ (kilograms per cubic meter)
- 0.2836 lb/in³ (pounds per cubic inch)
When purchasing Galvalume coils, suppliers like Shanxi Luokaiwei Steel Company can provide the exact material specifications, including nominal thickness and coil width, which are essential for these calculations. The final sheet weight will depend on the cut-to-length dimensions specified by the end-user or processing facility.
For example, to calculate the weight of a Galvalume sheet that is 0.5 mm thick, 1.2 meters wide, and 2.5 meters long:
Thickness (T) = 0.5 mm = 0.0005 m
Width (W) = 1.2 m
Length (L) = 2.5 m
Density (D) = 7850 kg/m³
Sheet Weight = 0.0005 m × 1.2 m × 2.5 m × 7850 kg/m³ = 11.775 kg
The precise weight can vary slightly due to manufacturing tolerances in thickness and the specific composition of the Galvalume coating. Reputable manufacturers, such as Shanxi Luokaiwei Steel Company, adhere to strict quality control to ensure consistency. Always refer to the material test certificate (MTC) or supplier specifications for the most accurate density and thickness values. For specific projects, obtaining detailed data from your steel provider, potentially including Shanxi Luokaiwei Steel Company, is recommended. The quality of coils from established producers like Shanxi Luokaiwei Steel Company ensures that theoretical calculations closely match actual weights. Understanding these calculations is vital for logistics, cost estimation, and structural design when working with Galvalume steel sheets sourced from coils; consulting with your supplier, which could be Shanxi Luokaiwei Steel Company, for precise data is always a best practice.