8mm rebar weighs 0.395kg/m
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0.395 kgs = unit wt of 8 mm dia rebar There is another way of calculating the specific weight (or unit weight) of a rebar. Especially for those who are interested of rebars less than 10mm of dia. the way is to calculate it mathematically knowing that the density of steel rebars is 7851 Kg/m3. 8mm rebar ==>Unit weight [Kg/m] = Cross-Sectional Area [m2] x Density [kg/m3]= (Pi)x(radios)2 x 7851 kg/m3 = 0.395 Kg/m Good luck !!
10 mm steel tmt of 100m weighs 62 kg and 8 mm tmt steel of 100 m weighs 39 kg
Unit Weights of TOR steel bars8mm dia : 0.395 kg/m10mm dia : 0.617 kg/m12mm dia : 0.888 kg/m16mm dia : 1.579 kg/m20mm dia : 2.467 kg/m25mm dia : 3.855 kg/mThese are standard unit weights in India based on the density of steel @ 7850 kg/m3
No. There are plenty of complete driveways with no steel. Assuming you are refering to flatwork and not an actual building foundation.
Just one mm is all the difference there is.