Metal weight

Round bar weight table

Hot-rolled or drawn round bars are used for shafts, pins, tie rods and turned parts. Below is the theoretical weight of 33 common sizes, in steel with a density of 7.85 g/cm³.

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SizeArea cm²kg/m6 m barm/tonne
Round bar Ø60.280.2221.3 kg4,505
Round bar Ø80.500.3952.4 kg2,534
Round bar Ø100.790.6173.7 kg1,622
Round bar Ø121.130.8885.3 kg1,126
Round bar Ø141.541.2087.3 kg828
Round bar Ø162.011.5789.5 kg634
Round bar Ø182.541.99812.0 kg501
Round bar Ø203.142.46614.8 kg405
Round bar Ø223.802.98417.9 kg335
Round bar Ø254.913.85323.1 kg260
Round bar Ø286.164.83429.0 kg207
Round bar Ø307.075.54933.3 kg180
Round bar Ø328.046.31337.9 kg158
Round bar Ø359.627.55345.3 kg132
Round bar Ø4012.579.86559.2 kg101
Round bar Ø4515.9012.48574.9 kg80
Round bar Ø5019.6315.41392.5 kg65
Round bar Ø5523.7618.650111.9 kg54
Round bar Ø6028.2722.195133.2 kg45
Round bar Ø6533.1826.049156.3 kg38
Round bar Ø7038.4830.210181.3 kg33
Round bar Ø7544.1834.680208.1 kg29
Round bar Ø8050.2739.458236.8 kg25
Round bar Ø9063.6249.940299.6 kg20
Round bar Ø10078.5461.654369.9 kg16
Round bar Ø11095.0374.601447.6 kg13
Round bar Ø120113.1088.781532.7 kg11
Round bar Ø130132.73104.195625.2 kg10
Round bar Ø140153.94120.841725.0 kg8
Round bar Ø150176.71138.721832.3 kg7
Round bar Ø160201.06157.834947.0 kg6
Round bar Ø180254.47199.7581,198.5 kg5
Round bar Ø200314.16246.6151,479.7 kg4

Calculation formula

kg/m = d² × 0.006165, where d is the diameter in mm.

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