bronze hex bar weight calculator
Enter the dimensions of a bronze hex bar and this works out its volume and weight. C932 bearing bronze (SAE 660). Phosphor bronze C510 is nearer 8860.
- Weight of one hex bar
- 4.763 14
- Volume of one piece
- 541.266
- Weight per metre of length
- 4.763 14 kg/m
- Density used
- 8800 kg/m3
Show the working
- Across flats = 25
- Length = 1000
- Number of pieces = 1
- volume_mm3 = sqrt(3)/2 * 25^2 * 1000 = 541 266
- Volume of one piece = 541 266 / 1000 = 541.266
- Density used = 8800 = 8800
- Weight of one hex bar = 541 266 * 8800 / 1e9 = 4.763 14
- Total weight = 4.763 14 * 1 = 4.763 14
- Weight per metre of length = 541 266 / 1000 * 1000 * 8800 / 1e9 = 4.763 14
Values are shown to six significant figures here; the arithmetic itself runs on exact fractions and is only rounded where a number is printed.
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The formula
- Volume = (sqrt(3) / 2) x across-flats^2 x length
- Weight = volume x density, with density = 8800 kg/m3
- One cubic millimetre of a material at 1000 kg/m3 weighs exactly one milligram, so the millimetre-to-kilogram step is a shift of the decimal point rather than a rounded factor.
C932 bearing bronze (SAE 660). Phosphor bronze C510 is nearer 8860.
Dimensions are nominal. Mill tolerances on thickness, and the corner radii on formed sections, both move the real weight by a percent or two.
Every field takes inches or feet as readily as millimetres: change the unit next to it and the conversion is done exactly before the arithmetic starts.
Frequently asked
What is the density of bronze?
8800 kg/m3, which is 8.800 g/cm3. C932 bearing bronze (SAE 660). Phosphor bronze C510 is nearer 8860.
How do you calculate the weight of a bronze hex bar?
Volume = (sqrt(3) / 2) x across-flats^2 x length. Multiply the volume by the density of bronze, 8800 kg/m3, taking care that both are in the same unit system.
Can I enter dimensions in inches?
Yes. Each dimension field has its own unit selector, and inch, foot, millimetre, centimetre and metre entries are all converted exactly before anything is multiplied.
Where the numbers come from
- Densities are nominal room-temperature values for the grade named, drawn from the usual mill and handbook figures.
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