MS Plate Weight Calculator & Chart in Kg&lb (Online FREE)

Imagine the frustration of miscalculating the weight of a steel plate. In this comprehensive guide, our seasoned mechanical engineering expert will walk you through the intricacies of the MS plate weight formula, density factors, and common pitfalls. Discover how to optimize your projects with precise calculations and insider tips that will save you time and money.

Table Of Contents

Introduction

When working with carbon steel plates, accurately calculating their weight is crucial for various applications such as construction, transportation, and heavy machinery manufacturing.

Imagine a scenario where a construction team underestimates the weight of MS plates needed for a bridge. This miscalculation could lead to structural failures, project delays, and increased costs. Thus, knowing the exact weight helps in planning transportation, estimating costs, and ensuring structural integrity.

In this comprehensive guide, we will explore the MS plate weight formula, density factors, and common sources of error to help you make precise calculations and optimize your projects.

The MS Plate Weight Formula

Key Factors in Weight Calculation

Density of Mild Steel

The density of mild steel is approximately 7,850 kg/m³. This constant is vital for the weight calculation formula and remains consistent regardless of the plate’s dimensions.

Dimensions of the Plate

To calculate the weight of an MS plate, measure its length (L), width (W), and thickness (T). Ensure these dimensions are in the same unit for consistency. Common units used are meters (m) and millimeters (mm).

Step-by-Step Calculation Process

1. Measure the Dimensions

  • Length (L): Measure the length of the plate.
  • Width (W): Measure the width of the plate.
  • Thickness (T): Measure the thickness of the plate.

For example, let’s consider a plate with the following dimensions:

  • Length: 2 meters
  • Width: 1 meter
  • Thickness: 0.01 meters

2. Calculate the Volume

The volume of the MS plate is calculated using the formula:

Volume= Length x Width x Thickness

Substituting the given dimensions:

Volume=2m x 1m x 0.01m=0.02 m3

3. Calculate the Weight

Using the volume obtained, multiply it by the density of mild steel to get the weight:

Weight= Volume x Density

Weight=0.02m3 x 7850kg/m3 = 157kg

The most commonly used formula for calculating the weight of a carbon steel plate is:

Weight (kg) = 7.85 × Length (m) × Width (m) × Thickness (mm)

For example, if a steel plate measures 6 meters in length, 1.51 meters in width, and 9.75 millimeters in thickness, its theoretical weight can be calculated as follows:

7.85 × 6 × 1.51 × 9.75 = 693.43 kg

Another specific calculation method uses 85 as the density coefficient:

Weight (kg) = Thickness (mm) × Length (m) × Width (m) × 85 / 1,000,000

Density Factor of Carbon Steel Plates

The density of carbon steel plates may vary due to different carbon contents. The density factor of most carbon steel plates is approximately 7.85 g/cm³. For instance, a specific type of carbon steel known as S50C has a recorded density of 7.84 g/cm³, which is close to the density of most carbon steels.

Moreover, it’s important to note that the thickness dimension of a steel plate is one of the main factors affecting its load-bearing capacity. Therefore, when calculating the weight, one should ensure that the thickness value used is accurate to avoid safety risks or unnecessary waste. According to national standards, there are explicit regulations for the thickness deviation of steel plates.

For example, the positive tolerance for a qualified thickness of 12mm is 1.16mm, and the negative tolerance is 0.76mm. This means that in actual applications, the thickness of the steel plate may deviate slightly. However, when calculating the weight, the theoretical weight is usually used, which is calculated based on the average of the maximum and minimum allowable thicknesses.

What is the density factor of carbon steel plates?

The density factor of carbon steel plates is approximately 7.85g/cm³. Furthermore, a specific type of carbon steel known as S50C has a recorded density of 7.84g/cm³, which is close to the density of most carbon steels. Therefore, it can be considered accurate to say that the density factor of carbon steel plates is approximately 7.85g/cm³.

MS Plate Weight Calculator and Chart

To simplify the calculation process, you can utilize a mild steel plate weight calculator or refer to a comprehensive MS plate weight chart. These tools provide quick and accurate results for various plate dimensions in both metric and imperial units.

MS Plate Weight Calculator in kg & lb

Related calculator:

MS Plate Weight Chart in kg/m2 and lb/ft2

This plate weight chart applies exclusively to mild steel. For information on the gauge sizes of sheets, you can refer to the following post:

  • 1 in = 25.4 mm
  • 1 lb/ft2 = 4.88 kg/m2

Table 1: Steel Plate Thickness and Weight – Metric Units

Thickness
(mm)
Weight
(kg/m²)
Weight
(lb/ft²)
0.21.570.32
0.251.960.40
0.32.360.48
0.352.750.56
0.43.140.64
0.453.530.72
0.53.930.80
0.554.320.88
0.64.710.96
0.655.11.04
0.75.51.13
0.755.891.21
0.86.281.29
0.97.071.45
17.851.61
1.18.641.77
1.29.421.93
1.310.212.09
1.410.992.25
1.511.782.41
1.612.562.57
1.713.352.73
1.814.132.89
215.73.22
2.217.273.54
2.519.363.97
2.821.984.50
323.554.82
3.225.125.14
3.527.485.63
3.829.836.11
3.930.626.27
431.46.43
4.535.337.24
539.258.04
5.543.188.84
647.169.66
754.9511.25
862.812.86
970.6514.47
1078.616.10
1186.3517.69
1294.219.29
13102.120.91
14109.922.51
15117.7524.12
16125.625.72
18141.328.94
2015732.16
22172.735.37
24188.438.59
25196.2540.20
26204.141.80
28219.845.02
30235.548.23
32251.251.45
34266.954.67
35274.7556.27
36282.657.88
38298.361.10
4031464.31
42329.767.53
44345.470.74
45353.2572.35
46361.173.96
48376.877.17
50392.580.39
52408.283.61
54423.986.82
55431.7588.43
56439.690.04
58455.393.25

Table 2: Steel Plate Thickness and Weight – Imperial Units

Nominal Size Thickness
(inches)
Weight
(lb/ft²)
Weight
(kg/m²)
3/167.6537.35
1/410.249.80
5/1612.862.50
3/815.374.70
7/1617.987.40
1/220.499.60
9/1622.9111.81
5/825.5124.50
11/1628.1137.20
3/430.6149.40
13/1633.2162.10
7/835.7174.30
140.8199.20
1 1/845.9224.10
1 1/451249.00
1 3/856.1273.90
1 1/261.2298.80
1 5/866.3323.71
1 3/471.4348.61
1 7/876.5373.51
281.6398.41
2 1/886.7423.31
2 1/491.8448.21
2 1/2102498.01
2 3/4112546.83
3122595.66
3 1/4133649.36
3 1/2143698.19
3 3/4153747.01
4163795.84
4 1/4173844.66
4 1/2184898.37
5204996.02
5 1/22241093.66
62451196.20
6 1/22651293.84
72861396.37
7 1/23061494.02
83261591.67
93671791.85
104081992.03

As the chart indicates, there is a significant difference in weight between plates of different thicknesses.

This information is critical for applications such as construction, transportation, and heavy machinery manufacturing, where plates are used in various ways, from building structures to creating machine components.

By providing a comprehensive plate weight chart, MachineMfg enables engineers and fabricators to make accurate calculations and determine the weight of the plates they need for their projects.

This, in turn, helps them optimize their designs, select the appropriate materials, and improve the efficiency of their operations.

Related calculator: Stainless Steel Weight Calculator

What Is MS Plate?

Mild steel is an iron-carbon alloy with a carbon content ranging from 0.0218% to 2.11%. It is also called as carbon steel.

According to the carbon content in the material, we generally refer to steel with a carbon content of 0.06% to 0.25% as low-carbon steel; steel with a carbon content of 0.25% to 0.55% as medium-carbon steel; and steel with a carbon content of 0.60% to 1.03% as high-carbon steel.

(1) When the carbon content in steel exceeds 0.23%, the welding performance of the steel deteriorates. Therefore, low-alloy structural steels used for welding generally have a carbon content of no more than 0.20%.

(2) When the carbon content in steel is below 0.8%, as the carbon content increases, the strength and hardness of the steel increase while its plasticity and toughness decrease.

(3) When the carbon content is above 1.0%, as the carbon content increases, the strength of steel decreases instead. With an increase in carbon content, welding performance worsens (the special weldability can significantly decrease with steels having a higher than 0.3% carbon), cold brittleness and aging sensitivity increase, resistance to air rust corrosion decreases, making high-carbon steels susceptible to rusting when exposed to outdoor storage.

Generally, it also contains small amounts of silicon, manganese, sulfur and phosphorus. The higher the carbon content in carbon steel, the greater its hardness and strength but lower its ductility.

Types of MS Plate

(1) According to their uses, carbon steel can be divided into three categories: carbon structural steel, carbon tool steel, and easy-to-cut structural steel. Carbon structural steel is further divided into two types: engineering construction steel and machine manufacturing structural steel;

(2) According to the smelting method, it can be divided into open hearth steel and converter steel;

(3) According to the deoxidation method, it can be divided into boiling steel (F), calm-steel (Z), semi-calm-steel (b), and special calm-steel (TZ);

(4) According to the carbon content, carbon steels can be classified as low-carbon steels (WC ≤ 0.25%), medium-carbon steels (WC 0.25% – 0.6%), and high-carbon steels (WC> 0.6%);

(5) Based on quality of the material, carbon steels are categorized as ordinary carbon steels(high in phosphorus & sulfur content), high-quality carbon steels(low in phosphorus & sulfur content), advanced high-quality steels(even lower in phosphorus & sulfur content than previous category )and special grade high-quality steels.

Density of Mild Steel

The density of mild steel, also known as low-carbon steel, is a critical factor in the accurate calculation of MS plate weight. Understanding the density and its implications is essential for engineers and professionals in the construction and manufacturing sectors.

Standard Density Values

Mild steel exhibits a consistent density across various sources, which is essential for reliable calculations. The standard values for the density of mild steel are:

  • Grams per cubic centimeter (g/cm³): Approximately 7.85 g/cm³
  • Kilograms per cubic meter (kg/m³): Approximately 7,850 kg/m³
  • Pounds per cubic inch (lb/in³): Approximately 0.284 lb/in³

These values are crucial when applying the weight calculation formula for MS plates, ensuring that the results are accurate and dependable.

Chemical Composition and Properties

Mild steel is predominantly composed of iron, constituting over 98% of its composition. The remaining percentage includes small amounts of alloying elements such as carbon, manganese, and silicon. The typical carbon content in mild steel ranges from 0.04% to 0.3%. This low carbon content contributes to the steel’s notable properties, including:

  • Good Ductility: Mild steel can be easily shaped and formed without cracking.
  • Excellent Weldability: It can be welded without special equipment or techniques.
  • Versatility: Suitable for a wide range of applications due to its balanced properties.

Consistency and Variations

The density of mild steel remains relatively consistent due to its high iron content and the controlled amounts of other alloying elements. However, slight variations in density may occur based on the specific grades of mild steel and the precise composition of alloying elements. For instance, a higher manganese content might slightly increase the density, but these variations are typically negligible and do not significantly impact weight calculations for most practical purposes.

Practical Implications of Density in Weight Calculations

The density of mild steel is a fundamental parameter in the weight calculation formula for MS plates. By knowing the density, professionals can accurately determine the weight of steel plates based on their dimensions. This accuracy is vital for various applications, including:

  • Structural Engineering: Ensuring that the load-bearing capacity of structures is not compromised. For example, in the construction of bridges, precise weight calculations of steel components are crucial to maintain structural integrity and safety.
  • Cost Estimation: Precisely estimating material costs for manufacturing and construction projects. Accurate weight calculations help in budgeting for raw materials, thus avoiding cost overruns.
  • Logistics: Planning the transportation and handling of steel plates to avoid overloading and ensure safety. Knowing the exact weight helps in selecting appropriate transportation methods and equipment, thereby preventing accidents and damage.

To summarize, the density of mild steel is approximately 7,850 kg/m³, 7.85 g/cm³, or 0.284 lb/in³. This value is integral to the weight calculation formula:

Weight = Length x Width x Thickness x Density

Using this formula, professionals can accurately calculate the weight of mild steel plates, facilitating efficient project planning and execution.

Unit Conversion for Weight Calculation

Accurate unit conversions are crucial in engineering and construction projects, particularly when calculating the weight of materials like mild steel (MS) plates. Proper conversions ensure precise measurements, which are essential for structural integrity, cost estimation, and material procurement. This chapter provides essential conversion factors and examples to help you accurately switch between metric and imperial systems for weight calculations.

Basic Units

Metric System

The metric system is widely used due to its simplicity. Here are the basic units:

  • Kilogram (kg): The base unit of mass.
    • 1 kg = 1000 grams (g)
  • Gram (g): A smaller unit of mass.
    • 1 g = 1000 milligrams (mg)
  • Milligram (mg): An even smaller unit.
    • 1 mg = 0.001 g or 0.000001 kg

Imperial System

The imperial system is commonly used in the United States and some other countries. Here are the basic units:

  • Pound (lb): A common unit of weight.
    • 1 lb = 16 ounces (oz)
  • Ounce (oz): A smaller unit of weight.
    • 1 oz = 1/16 lb or approximately 0.0283495 kg
  • Stone (st): Often used to quote a person’s weight in the UK and Ireland.
    • 1 st = 14 lb or approximately 6.35029318 kg

Conversion Examples

Metric System Conversions

  • Kilograms to Grams:
    • To convert kilograms to grams, multiply by 1000.
    • Example: 5 kg * 1000 = 5000 g
  • Grams to Kilograms:
    • To convert grams to kilograms, divide by 1000.
    • Example: 5300 g / 1000 = 5.3 kg
  • Milligrams to Grams:
    • To convert milligrams to grams, divide by 1000.
    • Example: 9600 mg / 1000 = 9.6 g
  • Milligrams to Kilograms:
    • To convert milligrams to kilograms, divide by 1,000,000.
    • Example: 2700 mg / 1,000,000 = 0.0027 kg

Imperial System Conversions

  • Pounds to Kilograms:
    • To convert pounds to kilograms, multiply by 0.45359237.
    • Example: 1 lb * 0.45359237 = 0.45359237 kg
  • Kilograms to Pounds:
    • To convert kilograms to pounds, multiply by 2.20462.
    • Example: 1 kg * 2.20462 = 2.20462 lb
  • Ounces to Kilograms:
    • To convert ounces to kilograms, multiply by 0.0283495.
    • Example: 1 oz * 0.0283495 = 0.0283495 kg

Conversion Between Metric and Imperial Systems

Understanding key conversion factors is essential for switching between metric and imperial systems.

Key Conversion Factors

  • Pound to Kilogram: 1 lb = 0.45359237 kg
  • Kilogram to Pound: 1 kg = 2.20462 lb
  • Ounce to Kilogram: 1 oz = 0.0283495 kg

Example Conversions

  • Pounds to Kilograms and then to Grams:
    • Example: 10 lb 0.45359237 kg/lb = 4.5359237 kg, then 4.5359237 kg 1000 g/kg = 4535.9237 g
  • Kilograms to Pounds and then to Ounces:
    • Example: 5 kg 2.20462 lb/kg = 11.0231 lb, then 11.0231 lb 16 oz/lb = 176.3696 oz

Using Conversion Factors

To convert between any two units, use the following formula:

Starting Value x Conversion Factor= End Value

For instance, to convert from kilograms to pounds:

5 kg x 2.20462 lb/kg= 11.0231 lb

Accurate unit conversions are essential for ensuring precise weight calculations in engineering and construction projects involving mild steel plates. By mastering these conversion factors and formulas, you can avoid significant errors and ensure the structural integrity and cost-effectiveness of your projects.

Frequently Asked Questions

Below are answers to some frequently asked questions:

How do I calculate the weight of an MS plate?

To calculate the weight of a Mild Steel (MS) plate, follow these steps:

  1. Determine the Density of Mild Steel: Mild steel typically has a density of approximately 7,870 kg/m³ or 7.85 g/cm³.
  2. Measure the Dimensions of the Steel Plate: You need the thickness, width, and length of the steel plate. Convert these measurements to meters for consistency.
  3. Calculate the Volume of the Steel Plate: Multiply the thickness, width, and length to find the volume.
    • Volume = Thickness × Width × Length
    • For example, if the thickness is 0.003 meters (3 mm), the width is 0.3 meters (300 mm), and the length is 1 meter (1000 mm):
      • Volume = 0.003 m × 0.3 m × 1 m = 0.0009 m³
  4. Calculate the Weight: Multiply the volume by the density of the steel.
    • Weight = Volume × Density
    • Using the example above:
      • Weight = 0.0009 m³ × 7,870 kg/m³ = 7.083 kg

In summary, the general formula for calculating the weight of an MS plate is:

  • Weight = Length × Width × Thickness × Density
  • For metric units:
    • Weight (kg) = (Length in m) × (Width in m) × (Thickness in m) × 7,870 kg/m³
  • For millimeters:
    • Weight (kg) = (Length in mm / 1000) × (Width in mm / 1000) × (Thickness in mm / 1000) × 7,870 kg/m³

By following these steps, you can accurately calculate the weight of any MS plate.

What is the density of mild steel?

The density of mild steel is 7.85 grams per cubic centimeter (g/cm³), which is equivalent to 7,860 kilograms per cubic meter (kg/m³) or 0.284 pounds per cubic inch (lb/in³). This consistency in density is due to the high iron content in mild steel, typically over 98%, along with minor amounts of alloying elements such as carbon, manganese, and silicon.

Where can I find pre-calculated MS plate weight charts?

To find pre-calculated MS (mild steel) plate weight charts, you can refer to the chart in this article above.

How do I convert the weight of an MS plate from pounds to kilograms?

To convert the weight of an MS (mild steel) plate from pounds to kilograms, you can use the standard conversion factor: 1 pound (lb) is equal to 0.45359237 kilograms (kg).

Here is the step-by-step process:

Determine the Weight in Pounds: If you already have the weight of the MS plate in pounds, you can proceed to the next step. If you need to calculate the weight in pounds, you can use the formula for the weight of a mild steel plate:

Weight= Length xWidth x Thickness x Density

The density of mild steel is approximately 7850 kg/m³ or 7.85 g/cm³. Make sure to convert all dimensions to the appropriate units before calculating the weight.

Convert Pounds to Kilograms: Use the conversion factor to convert the weight from pounds to kilograms:

Weight in kg=Weight in lbs x 0.45359237

For example, if the weight of the mild steel plate is 100 pounds:

100 lbs x0.45359237 kg/1b =45.359237 kg

Thus, 100 pounds is approximately 45.359 kilograms.

Here is a quick reference for common conversions:

  • 1 lb = 0.45359237 kg
  • 10 lbs = 4.5359237 kg
  • 50 lbs = 22.6796185 kg
  • 100 lbs = 45.359237 kg

This method ensures accurate conversion from pounds to kilograms.

What are the common thicknesses of MS plates available in weight charts?

The common thicknesses of Mild Steel (MS) plates available in weight charts typically start from 3 mm and can go up to 100 mm. Specific thicknesses frequently listed include 3 mm, 4 mm, 5 mm, 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 22 mm, 25 mm, and so on up to 100 mm. These thicknesses are used in various engineering and construction applications.

For example, in metric units, the weights per square meter for some of these thicknesses are as follows:

  • 3 mm: 23.55 kg/m²
  • 4 mm: 31.4 kg/m²
  • 5 mm: 39.25 kg/m²
  • 6 mm: 47.1 kg/m²
  • 8 mm: 62.8 kg/m²
  • 10 mm: 78.5 kg/m²
  • 12 mm: 94.2 kg/m²
  • 16 mm: 125.6 kg/m²
  • 20 mm: 157 kg/m²
  • 25 mm: 196.25 kg/m²

The width of MS plates can vary from 900 mm to 3000 mm, and the length can range from 2500 mm to 12000 mm. Equivalent thicknesses in inches are also provided in weight charts, such as 3/16″, 1/4″, 5/16″, 3/8″, etc., with corresponding weights per square foot.

Don't forget, sharing is caring! : )
Shane
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.

You May Also Like
We picked them just for you. Keep reading and learn more!

Hot Rolled Steel Plate Weight Chart

How do you determine the weight of a hot rolled steel plate without a calculator? This article provides a comprehensive weight chart for steel plates ranging from 0.35mm to 200mm…

Checkered Steel Plate Weight Chart

Are you curious about the weight of checkered steel plates? Look no further! In this article, we'll dive into the world of checkered steel plate weight charts. These handy reference…

H Beam Sizes and Weight Chart

Have you ever wondered about the hidden world of H-beam steel? In this captivating article, we'll unravel the mysteries behind these essential construction components. Our expert mechanical engineer will guide…
MachineMFG
Take your business to the next level
Subscribe to our newsletter
The latest news, articles, and resources, sent to your inbox weekly.
© 2024. All rights reserved.

Contact Us

You will get our reply within 24 hours.