Aluminum Bronze Weight Calculator

Aluminum Bronze Weight Calculator – Calculate Material Needs :root { –primary-color: #004a99; –success-color: #28a745; –background-color: #f8f9fa; –text-color: #333; –border-color: #ccc; –card-background: #fff; –shadow: 0 4px 8px rgba(0,0,0,0.1); } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; background-color: var(–background-color); color: var(–text-color); line-height: 1.6; margin: 0; padding: 0; display: flex; flex-direction: column; align-items: center; } .container { width: 100%; max-width: 960px; margin: 20px auto; padding: 20px; background-color: var(–card-background); border-radius: 8px; box-shadow: var(–shadow); } header { width: 100%; background-color: var(–primary-color); color: white; padding: 15px 0; text-align: center; margin-bottom: 20px; } header h1 { margin: 0; font-size: 2.2em; } .calculator-section { margin-bottom: 30px; padding: 20px; border: 1px solid var(–border-color); border-radius: 8px; } .calculator-section h2 { color: var(–primary-color); 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Aluminum Bronze Weight Calculator

Precision calculation for your material requirements.

Calculate Aluminum Bronze Weight

Rod Tube Plate Sheet Bar Custom (Rectangular Prism)
Select the geometric shape of your aluminum bronze.
Enter the total length of the material in the specified unit.
Millimeters (mm) Centimeters (cm) Meters (m) Inches (in) Feet (ft)
Select the unit for all dimensions and length.

Calculation Results

Weight = Volume × Density
Results copied!
Aluminum Bronze Densities (Approximate)
Aluminum Bronze Type Density (g/cm³) Density (lb/in³)
C60700 (Aluminum Bronze) 7.60 0.275
C61300 (Aluminum Bronze) 7.65 0.276
C61400 (Aluminum Bronze) 7.65 0.276
C61600 (Aluminum Bronze) 7.65 0.276
C62300 (Aluminum Bronze) 7.55 0.273
C63000 (Aluminum Bronze) 7.60 0.275
C63200 (Aluminum Bronze) 7.55 0.273
C64200 (Aluminum Bronze) 7.50 0.271

Weight vs. Length for Different Diameters (Tube Example)

Rod/Bar Diameter
Tube Diameter

What is Aluminum Bronze Weight?

The term "Aluminum Bronze Weight" refers to the calculation of the mass of a specific quantity of aluminum bronze material. Aluminum bronze is a high-performance alloy known for its exceptional strength, corrosion resistance, and hardness, making it suitable for demanding applications. Calculating its weight is crucial for various aspects of project management, including material procurement, structural integrity analysis, transportation logistics, and cost estimation. Understanding how to accurately determine the aluminum bronze weight ensures that engineers, fabricators, and purchasers can plan effectively and avoid material waste or shortages. This aluminum bronze weight calculator simplifies that process, providing precise results based on material dimensions and shape.

Who Should Use an Aluminum Bronze Weight Calculator?

An aluminum bronze weight calculator is an invaluable tool for a wide range of professionals and hobbyists involved with aluminum bronze materials:

  • Engineers and Designers: To ensure structural components meet load-bearing requirements and to select appropriate material sizes.
  • Fabricators and Manufacturers: For accurate material ordering, cutting, and machining estimations, optimizing workshop efficiency.
  • Procurement Specialists: To budget for raw materials, compare supplier costs based on weight, and manage inventory effectively.
  • Logistics and Shipping Personnel: To determine shipping costs, vehicle load capacities, and handling requirements.
  • Researchers and Students: For experimental design, material property studies, and educational purposes.
  • DIY Enthusiasts: When working on custom projects that utilize the unique properties of aluminum bronze.

Common Misconceptions about Aluminum Bronze Weight

Several misunderstandings can arise when dealing with aluminum bronze weight:

  • "All aluminum bronze alloys weigh the same": While densities are similar, different alloying elements can cause slight variations in density, impacting the final weight. Our calculator uses typical values, but specialized alloys might differ.
  • "Weight is only determined by dimensions": The density of the specific aluminum bronze alloy is a critical factor. Ignoring it leads to incorrect calculations.
  • "Weight calculation is complex and requires advanced tools": With the right formulas and a reliable calculator like this one, determining aluminum bronze weight becomes straightforward.
  • "Weight is irrelevant for small parts": Even for small components, accurate weight is vital for consistent performance in assemblies, balancing, and precision applications.

Aluminum Bronze Weight Formula and Mathematical Explanation

The fundamental principle behind calculating the weight of any solid material, including aluminum bronze, is the relationship between its volume and its density.

The Core Formula

The weight (mass) of an object is calculated using the following formula:

Weight = Volume × Density

Step-by-Step Derivation

  1. Determine the Volume: The first step is to calculate the geometric volume of the aluminum bronze piece. This depends entirely on its shape (rod, tube, plate, bar, rectangular prism). The calculator handles these shapes by asking for specific dimensions.
  2. Identify the Density: The second crucial factor is the density of the specific aluminum bronze alloy. Density is a measure of mass per unit volume. Aluminum bronzes typically have densities around 7.5 to 7.7 g/cm³.
  3. Multiply Volume by Density: Once the volume is calculated in a consistent unit (e.g., cubic centimeters or cubic inches) and the density is known in compatible units (e.g., g/cm³ or lb/in³), you multiply these two values to find the weight (mass).

Variable Explanations

To use the formula effectively, let's define the variables:

Variable Meaning Unit Typical Range / Notes
Volume (V) The amount of three-dimensional space the aluminum bronze occupies. e.g., cm³, m³, in³, ft³ Calculated based on shape and dimensions.
Density (ρ) Mass per unit volume of the aluminum bronze alloy. e.g., g/cm³, lb/in³ Typically 7.5 – 7.7 g/cm³ for aluminum bronze. Specific alloy grades have slightly different values.
Weight (W) The mass of the aluminum bronze material. e.g., g, kg, lb Result of the calculation.
Dimensions (Length, Width, Height, Diameter, Thickness) Linear measurements defining the size of the material. e.g., mm, cm, m, in, ft User inputs for the calculator.

Practical Examples (Real-World Use Cases)

Example 1: Calculating Weight for a Structural Rod

An engineer needs to order an aluminum bronze rod for a specific structural application. The rod needs to have a diameter of 20 mm and a length of 1.5 meters.

  • Shape: Rod
  • Diameter (d): 20 mm
  • Length (L): 1.5 m = 1500 mm
  • Unit: Millimeters (mm)
  • Assumed Density: 7.60 g/cm³ (for C60700)

Calculation Steps:

  1. Convert all dimensions to a consistent unit, preferably cm for easier density conversion: Diameter = 2 cm, Length = 150 cm.
  2. Calculate the radius: Radius (r) = Diameter / 2 = 2 cm / 2 = 1 cm.
  3. Calculate the volume of the cylinder (rod): V = π × r² × L = π × (1 cm)² × 150 cm ≈ 471.24 cm³.
  4. Calculate the weight: Weight = Volume × Density = 471.24 cm³ × 7.60 g/cm³ ≈ 3581.4 grams.
  5. Convert to kilograms: 3581.4 g / 1000 = 3.58 kg.

Calculator Output: The aluminum bronze weight calculator would show an approximate weight of 3.58 kg for this rod.

Interpretation: This weight is crucial for understanding the material cost, handling procedures, and ensuring the structural member can be supported adequately.

Example 2: Determining Weight for a Rectangular Plate

A manufacturer requires a custom-sized aluminum bronze plate for a heat-resistant shielding application. The plate needs to be 50 cm wide, 100 cm long, and 1 cm thick.

  • Shape: Custom (Rectangular Prism)
  • Width (W): 50 cm
  • Length (L): 100 cm
  • Thickness (T): 1 cm
  • Unit: Centimeters (cm)
  • Assumed Density: 7.65 g/cm³ (for C61300)

Calculation Steps:

  1. Dimensions are already in cm.
  2. Calculate the volume: V = L × W × T = 100 cm × 50 cm × 1 cm = 5000 cm³.
  3. Calculate the weight: Weight = Volume × Density = 5000 cm³ × 7.65 g/cm³ = 38250 grams.
  4. Convert to kilograms: 38250 g / 1000 = 38.25 kg.

Calculator Output: The calculator would provide a weight of approximately 38.25 kg for this aluminum bronze plate.

Interpretation: Knowing this weight helps in calculating the total material cost, planning for shipping, and assessing the load on any supporting structures.

How to Use This Aluminum Bronze Weight Calculator

Using our aluminum bronze weight calculator is designed to be simple and intuitive. Follow these steps for accurate results:

  1. Select Material Shape: Choose the shape that best matches your aluminum bronze component from the dropdown menu (Rod, Tube, Plate, Sheet, Bar, or Custom Rectangular Prism).
  2. Enter Dimensions: Based on the selected shape, you will be prompted to enter the relevant dimensions. This might include diameter, width, thickness, height, etc. Ensure you use consistent units for all measurements.
  3. Specify Length: Enter the total length of the material.
  4. Choose Unit of Measurement: Select the unit (mm, cm, m, in, ft) that you used for all your dimension inputs. The calculator will use this for all calculations and display results in appropriate units.
  5. Review Density Information: The calculator uses a typical density for aluminum bronze. Refer to the table provided for common alloy densities if you need to be more precise for a specific grade. For advanced accuracy, you might need to input a specific density value if your version of the calculator allowed it.
  6. View Results: The calculator will automatically update and display the following:
    • Main Result (Total Weight): The primary, highlighted output showing the calculated weight of your aluminum bronze material.
    • Volume: The calculated geometric volume of the material.
    • Density Used: The density value applied in the calculation.
    • Weight Per Unit Length: Useful for comparing material efficiency over different lengths.
  7. Use the Buttons:
    • Reset: Click this button to clear all fields and return them to their default settings, allowing you to start a new calculation.
    • Copy Results: Click this button to copy the main result, intermediate values, and key assumptions to your clipboard for easy pasting into documents or spreadsheets.

Decision-Making Guidance: Use the calculated weight to verify material orders, estimate project costs, plan transportation, and ensure structural integrity. Compare the calculated weight against supplier specifications or required material limits.

Key Factors That Affect Aluminum Bronze Weight Results

Several factors can influence the accuracy and relevance of your aluminum bronze weight calculation:

  1. Material Shape Accuracy: Ensuring the selected shape and entered dimensions precisely match the actual form of the aluminum bronze is fundamental. Deviations lead directly to volume errors.
  2. Dimensional Precision: The accuracy of your measurements (length, width, diameter, thickness) is critical. Even small errors in measurement can compound, especially for large quantities.
  3. Alloy Grade and Density Variations: While aluminum bronze alloys share similar densities, specific grades (like C60700, C63000, etc.) can have slightly different compositions, leading to minor variations in density. Using the correct density for your specific alloy is paramount for high-precision work. The provided table offers typical values.
  4. Unit Consistency: Using different units for different dimensions (e.g., diameter in mm and length in meters without proper conversion) will result in incorrect volume and weight. Always ensure all inputs are in the same unit system or that conversions are handled correctly.
  5. Hollow vs. Solid Material: For hollow shapes like tubes, the calculation must account for the inner diameter (or wall thickness). Failure to do so will overestimate the weight. Our calculator accounts for tubes by requiring an inner and outer dimension or a diameter and wall thickness.
  6. Tolerances and Manufacturing Variations: Real-world materials have manufacturing tolerances. The actual dimensions might slightly differ from the nominal values. For critical applications, consider these tolerances when calculating required material quantities.
  7. Temperature Effects: While generally negligible for weight calculations at room temperature, extreme temperature fluctuations can cause slight expansion or contraction of the material, theoretically altering its volume and thus its weight. This is rarely a practical concern for standard weight calculations.
  8. Impurities and Additives: While aluminum bronze is relatively pure, trace impurities or specific additives in certain grades could subtly affect density. For most standard applications, this is not a significant factor.

Frequently Asked Questions (FAQ)

Q1: What is the standard density of aluminum bronze?

A1: The density of aluminum bronze typically ranges from 7.50 to 7.70 grams per cubic centimeter (g/cm³), or approximately 0.271 to 0.276 pounds per cubic inch (lb/in³). Specific alloys may vary slightly.

Q2: Can I use this calculator for different shapes like spheres or cones?

A2: This specific calculator is optimized for common industrial shapes like rods, tubes, plates, sheets, bars, and rectangular prisms. For other shapes, you would need to use the appropriate geometric volume formula and then apply the density.

Q3: How accurate are the results?

A3: The accuracy depends on the precision of your input dimensions and the density value used. The calculator uses standard formulas and typical densities. For highly critical applications, verify the exact alloy density from the material datasheet.

Q4: What does "Weight Per Unit Length" mean?

A4: This value tells you the weight of the material for every unit of length (e.g., per meter or per foot). It's useful for comparing different material sizes or calculating costs based on length rather than total piece weight.

Q5: Does the calculator account for the hollow nature of tubes?

A5: Yes, when 'Tube' is selected, the calculator accounts for the hollow geometry. You will typically input an outer diameter and an inner diameter (or outer diameter and wall thickness) to calculate the correct volume.

Q6: What if my dimensions are in different units?

A6: Always ensure all dimensions entered into the calculator are in the SAME unit, which you then select from the 'Unit of Measurement' dropdown. If your measurements are mixed, convert them to a single unit before inputting.

Q7: Can I use this for pricing calculations?

A7: Yes, once you have the calculated weight, you can multiply it by the price per unit weight (e.g., price per kilogram or price per pound) from your supplier to estimate the material cost.

Q8: What is the difference between weight and mass?

A8: In common usage, "weight" often refers to mass. Scientifically, weight is the force of gravity on an object (mass × gravitational acceleration), measured in Newtons. Mass is the amount of matter, measured in kilograms or pounds. This calculator computes mass.

Related Tools and Internal Resources

var selectedShape = 'rod'; var currentUnit = 'mm'; var density_g_cm3 = 7.60; // Default for C60700 function updateInputFields() { selectedShape = document.getElementById('shape').value; var dim1Label = document.getElementById('dimension1Label'); var dim1Helper = document.getElementById('dimension1Helper'); var dim2Group = document.getElementById('dimension2Group'); var dim3Group = document.getElementById('dimension3Group'); var dim2Label = document.getElementById('dimension2Label'); var dim2Helper = document.getElementById('dimension2Helper'); var dim3Label = document.getElementById('dimension3Label'); var dim3Helper = document.getElementById('dimension3Helper'); var lengthInput = document.getElementById('length'); dim2Group.style.display = 'none'; dim3Group.style.display = 'none'; if (selectedShape === 'rod' || selectedShape === 'bar') { dim1Label.innerText = 'Diameter:'; dim1Helper.innerText = 'Enter the diameter of the rod/bar.'; dim2Group.style.display = 'none'; dim3Group.style.display = 'none'; } else if (selectedShape === 'tube') { dim1Label.innerText = 'Outer Diameter:'; dim1Helper.innerText = 'Enter the outer diameter of the tube.'; dim2Label.innerText = 'Inner Diameter:'; dim2Helper.innerText = 'Enter the inner diameter of the tube.'; dim2Group.style.display = 'block'; dim3Group.style.display = 'none'; } else if (selectedShape === 'plate' || selectedShape === 'sheet') { dim1Label.innerText = 'Width:'; dim1Helper.innerText = 'Enter the width of the plate/sheet.'; dim2Label.innerText = 'Thickness:'; dim2Helper.innerText = 'Enter the thickness of the plate/sheet.'; dim2Group.style.display = 'block'; dim3Group.style.display = 'none'; } else if (selectedShape === 'custom') { dim1Label.innerText = 'Width:'; dim1Helper.innerText = 'Enter the width of the rectangular prism.'; dim2Label.innerText = 'Height:'; dim2Helper.innerText = 'Enter the height of the rectangular prism.'; dim3Label.innerText = 'Depth:'; dim3Helper.innerText = 'Enter the depth of the rectangular prism.'; dim2Group.style.display = 'block'; dim3Group.style.display = 'block'; } updateUnitLabels(); // Ensure labels update with unit changes calculateWeight(); // Recalculate after changing shape } function updateUnitLabels() { currentUnit = document.getElementById('unit').value; var dim1Label = document.getElementById('dimension1Label'); var dim1Helper = document.getElementById('dimension1Helper'); var dim2Label = document.getElementById('dimension2Label'); var dim2Helper = document.getElementById('dimension2Helper'); var dim3Label = document.getElementById('dimension3Label'); var dim3Helper = document.getElementById('dimension3Helper'); var lengthLabel = document.querySelector('.input-group input[id="length"] + .helper-text'); var unitSymbols = { 'mm': 'mm', 'cm': 'cm', 'm': 'm', 'in': 'inches', 'ft': 'feet' }; var currentUnitSymbol = unitSymbols[currentUnit] || currentUnit; if (selectedShape === 'rod' || selectedShape === 'bar') { dim1Label.innerText = 'Diameter (' + currentUnitSymbol + '):'; dim1Helper.innerText = 'Enter the diameter of the rod/bar in ' + currentUnitSymbol + '.'; } else if (selectedShape === 'tube') { dim1Label.innerText = 'Outer Diameter (' + currentUnitSymbol + '):'; dim1Helper.innerText = 'Enter the outer diameter of the tube in ' + currentUnitSymbol + '.'; dim2Label.innerText = 'Inner Diameter (' + currentUnitSymbol + '):'; dim2Helper.innerText = 'Enter the inner diameter of the tube in ' + currentUnitSymbol + '.'; } else if (selectedShape === 'plate' || selectedShape === 'sheet') { dim1Label.innerText = 'Width (' + currentUnitSymbol + '):'; dim1Helper.innerText = 'Enter the width of the plate/sheet in ' + currentUnitSymbol + '.'; dim2Label.innerText = 'Thickness (' + currentUnitSymbol + '):'; dim2Helper.innerText = 'Enter the thickness of the plate/sheet in ' + currentUnitSymbol + '.'; } else if (selectedShape === 'custom') { dim1Label.innerText = 'Width (' + currentUnitSymbol + '):'; dim1Helper.innerText = 'Enter the width of the rectangular prism in ' + currentUnitSymbol + '.'; dim2Label.innerText = 'Height (' + currentUnitSymbol + '):'; dim2Helper.innerText = 'Enter the height of the rectangular prism in ' + currentUnitSymbol + '.'; dim3Label.innerText = 'Depth (' + currentUnitSymbol + '):'; dim3Helper.innerText = 'Enter the depth of the rectangular prism in ' + currentUnitSymbol + '.'; } lengthLabel.innerText = 'Length (' + currentUnitSymbol + '): Enter the total length of the material in ' + currentUnitSymbol + '.'; } function validateInput(value, min, max) { if (value === null || value === ") return 'This field is required.'; var numValue = parseFloat(value); if (isNaN(numValue)) return 'Please enter a valid number.'; if (numValue max) return 'Value out of range.'; return "; // No error } function calculateWeight() { clearErrors(); var resultsContainer = document.getElementById('resultsContainer'); resultsContainer.style.display = 'none'; var dim1Input = document.getElementById('dimension1'); var dim2Input = document.getElementById('dimension2'); var dim3Input = document.getElementById('dimension3'); var lengthInput = document.getElementById('length'); var d1 = dim1Input.value; var d2 = (dim2Group.style.display !== 'none') ? dim2Input.value : null; var d3 = (dim3Group.style.display !== 'none') ? dim3Input.value : null; var len = lengthInput.value; var unit = document.getElementById('unit').value; var errors = false; // Validate inputs if (validateInput(d1, 0) !== ") { document.getElementById('dimension1Error').innerText = validateInput(d1, 0); errors = true; } if (d2 !== null && validateInput(d2, 0) !== ") { document.getElementById('dimension2Error').innerText = validateInput(d2, 0); errors = true; } if (d3 !== null && validateInput(d3, 0) !== ") { document.getElementById('dimension3Error').innerText = validateInput(d3, 0); errors = true; } if (validateInput(len, 0) !== ") { document.getElementById('lengthError').innerText = validateInput(len, 0); errors = true; } if (errors) return; var d1Num = parseFloat(d1); var d2Num = (d2 !== null) ? parseFloat(d2) : 0; var d3Num = (d3 !== null) ? parseFloat(d3) : 0; var lenNum = parseFloat(len); // Unit Conversion Factors to cm var unitFactors = { 'mm': 0.1, 'cm': 1.0, 'm': 100.0, 'in': 2.54, 'ft': 30.48 }; var factor = unitFactors[unit]; d1Num *= factor; d2Num *= factor; d3Num *= factor; lenNum *= factor; var volume_cm3 = 0; var shapeName = "; if (selectedShape === 'rod' || selectedShape === 'bar') { shapeName = 'Rod/Bar'; var radius = d1Num / 2.0; volume_cm3 = Math.PI * radius * radius * lenNum; } else if (selectedShape === 'tube') { shapeName = 'Tube'; if (d2Num >= d1Num) { document.getElementById('dimension2Error').innerText = 'Inner diameter must be less than outer diameter.'; errors = true; } else { var outerRadius = d1Num / 2.0; var innerRadius = d2Num / 2.0; var tubeVolume = Math.PI * (outerRadius * outerRadius – innerRadius * innerRadius) * lenNum; volume_cm3 = tubeVolume; } } else if (selectedShape === 'plate' || selectedShape === 'sheet') { shapeName = 'Plate/Sheet'; var width = d1Num; var thickness = d2Num; volume_cm3 = width * thickness * lenNum; } else if (selectedShape === 'custom') { shapeName = 'Rectangular Prism'; var width = d1Num; var height = d2Num; var depth = d3Num; volume_cm3 = width * height * depth; } if (errors) return; // Use a typical density, e.g., 7.60 g/cm3 density_g_cm3 = 7.60; // Example density for C60700 var weight_g = volume_cm3 * density_g_cm3; var weight_kg = weight_g / 1000.0; var weight_lb = weight_kg * 2.20462; // Calculate weight per unit length (in kg/m and lb/ft) var weightPerUnitLength_kg_m = 0; var weightPerUnitLength_lb_ft = 0; if (lenNum > 0) { weightPerUnitLength_kg_m = weight_kg / (lenNum / 100.0); // Convert cm to m weightPerUnitLength_lb_ft = weight_lb / (lenNum / 30.48); // Convert cm to ft } // Display results var mainResultDisplay = document.getElementById('mainResult'); var volumeResultDisplay = document.getElementById('volumeResult'); var densityInfoDisplay = document.getElementById('densityInfo'); var weightPerUnitLengthDisplay = document.getElementById('weightPerUnitLength'); mainResultDisplay.innerHTML = formatWeight(weight_kg, weight_lb); volumeResultDisplay.innerHTML = 'Volume: ' + formatVolume(volume_cm3); densityInfoDisplay.innerHTML = 'Density Used: ' + density_g_cm3.toFixed(2) + ' g/cm³'; weightPerUnitLengthDisplay.innerHTML = 'Weight per Unit Length: ' + weightPerUnitLength_kg_m.toFixed(3) + ' kg/m | ' + weightPerUnitLength_lb_ft.toFixed(3) + ' lb/ft'; resultsContainer.style.display = 'block'; // Update Chart updateChart(selectedShape, lenNum); // Pass lenNum in cm } function formatWeight(kg, lb) { if (kg < 1) { return (kg * 1000).toFixed(2) + ' g'; } else if (kg = 1) return m3.toFixed(3) + ' m³'; if (in3 >= 1) return in3.toFixed(3) + ' in³'; if (ft3 >= 1) return ft3.toFixed(3) + ' ft³'; return cm3.toFixed(2) + ' cm³'; } function clearErrors() { document.getElementById('dimension1Error').innerText = "; document.getElementById('dimension2Error').innerText = "; document.getElementById('dimension3Error').innerText = "; document.getElementById('lengthError').innerText = "; document.getElementById('shapeError').innerText = "; document.getElementById('unitError').innerText = "; } function resetCalculator() { document.getElementById('shape').value = 'rod'; document.getElementById('dimension1').value = "; document.getElementById('dimension2').value = "; document.getElementById('dimension3').value = "; document.getElementById('length').value = "; document.getElementById('unit').value = 'mm'; document.getElementById('resultsContainer').style.display = 'none'; clearErrors(); updateInputFields(); // Resets labels and visibility updateUnitLabels(); } function copyResults() { var mainResult = document.getElementById('mainResult').innerText; var volumeResult = document.getElementById('volumeResult').innerText; var densityInfo = document.getElementById('densityInfo').innerText; var weightPerUnitLength = document.getElementById('weightPerUnitLength').innerText; var shape = document.getElementById('shape').value; var unit = document.getElementById('unit').value; var resultsText = "— Aluminum Bronze Weight Calculation —"; resultsText += "\nShape: " + shape.toUpperCase(); resultsText += "\nUnit: " + unit.toUpperCase(); resultsText += "\n\n" + mainResult; resultsText += "\n" + volumeResult; resultsText += "\n" + densityInfo; resultsText += "\n" + weightPerUnitLength; resultsText += "\n\n— Key Assumptions —"; resultsText += "\nDensity Used: " + density_g_cm3.toFixed(2) + " g/cm³"; // Use temporary textarea to copy text var textArea = document.createElement("textarea"); textArea.value = resultsText; textArea.style.position = "fixed"; textArea.style.left = "-9999px"; document.body.appendChild(textArea); textArea.focus(); textArea.select(); try { var successful = document.execCommand('copy'); var msg = successful ? 'successful' : 'unsuccessful'; console.log('Copying text command was ' + msg); } catch (err) { console.error('Unable to copy text.', err); } document.body.removeChild(textArea); var feedback = document.getElementById('copyFeedback'); feedback.style.display = 'block'; setTimeout(function() { feedback.style.display = 'none'; }, 2000); } // Charting Logic var weightLengthChart; var chartContext; function initChart() { chartContext = document.getElementById('weightLengthChart').getContext('2d'); weightLengthChart = new Chart(chartContext, { type: 'line', data: { labels: [], // Length in meters datasets: [{ label: 'Rod/Bar Weight (kg)', data: [], borderColor: '#004a99', // Primary color fill: false, tension: 0.1 }, { label: 'Tube Weight (kg)', data: [], borderColor: '#28a745', // Success color fill: false, tension: 0.1 }] }, options: { responsive: true, maintainAspectRatio: false, scales: { y: { beginAtZero: true, title: { display: true, text: 'Weight (kg)' } }, x: { title: { display: true, text: 'Length (m)' } } }, plugins: { tooltip: { mode: 'index', intersect: false, }, legend: { display: false // Use custom legend } }, hover: { mode: 'index', intersect: false } } }); } function updateChart(shape, len_cm) { if (!chartContext) initChart(); var defaultDiameter_cm = 2.0; // e.g., 20mm rod var defaultOuterDiameter_cm = 2.5; // e.g., 25mm tube var defaultInnerDiameter_cm = 1.5; // e.g., 15mm tube inner var defaultPlateWidth_cm = 50.0; var defaultPlateThickness_cm = 1.0; var defaultLength_cm = 1000; // Up to 10 meters var lengths_m = []; var rodWeights_kg = []; var tubeWeights_kg = []; var numPoints = 100; for (var i = 0; i <= numPoints; i++) { var currentLength_cm = (i / numPoints) * defaultLength_cm; lengths_m.push((currentLength_cm / 100).toFixed(1)); // Label in meters // Calculate Rod Weight var rodRadius_cm = defaultDiameter_cm / 2.0; var rodVolume_cm3 = Math.PI * rodRadius_cm * rodRadius_cm * currentLength_cm; var rodWeight_kg = (rodVolume_cm3 * density_g_cm3) / 1000.0; rodWeights_kg.push(rodWeight_kg.toFixed(2)); // Calculate Tube Weight var tubeOuterRadius_cm = defaultOuterDiameter_cm / 2.0; var tubeInnerRadius_cm = defaultInnerDiameter_cm / 2.0; var tubeVolume_cm3 = Math.PI * (tubeOuterRadius_cm * tubeOuterRadius_cm – tubeInnerRadius_cm * tubeInnerRadius_cm) * currentLength_cm; var tubeWeight_kg = (tubeVolume_cm3 * density_g_cm3) / 1000.0; tubeWeights_kg.push(tubeWeight_kg.toFixed(2)); } weightLengthChart.data.labels = lengths_m; weightLengthChart.data.datasets[0].data = rodWeights_kg; weightLengthChart.data.datasets[1].data = tubeWeights_kg; weightLengthChart.update(); } // Initial setup document.addEventListener('DOMContentLoaded', function() { updateInputFields(); updateUnitLabels(); initChart(); // Initialize chart on load calculateWeight(); // Calculate initial weight if defaults are set });

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