beryllium copper hex bar weight calculator

Enter the dimensions of a beryllium copper hex bar and this works out its volume and weight. C17200, the high-strength non-sparking copper alloy.

Across flats

Length

Number of pieces

Total weight

4.465 44kg

≈ Rounded beryllium copper hex bar weight Show in

Weight of one hex bar: 4.465 44
Volume of one piece: 541.266
Weight per metre of length: 4.465 44 kg/m
Density used: 8250 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 = 8250 = 8250
Weight of one hex bar = 541 266 * 8250 / 1e9 = 4.465 44
Total weight = 4.465 44 * 1 = 4.465 44
Weight per metre of length = 541 266 / 1000 * 1000 * 8250 / 1e9 = 4.465 44

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 = 8250 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.

C17200, the high-strength non-sparking copper alloy.

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 beryllium copper?

8250 kg/m3, which is 8.250 g/cm3. C17200, the high-strength non-sparking copper alloy.

How do you calculate the weight of a beryllium copper hex bar?

Volume = (sqrt(3) / 2) x across-flats^2 x length. Multiply the volume by the density of beryllium copper, 8250 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.