Answer / er. ashish sharma

d^2/162= Weight of bar in Kg/m length

Answer / aamer sattar

162/d2 is using for weight of any steel bar in mm

dia(mm) weight/m length

10 0.62
12 0.89
16 1.58
20 2.47
25 3.85
32 6.32

Answer / pradeep

0.6165539 x (dia)2 /100

Answer / mallikarjun b r

VOLUME x DENSITY OF STEEL

Ex-10MM ROAD

VOLUME OF 10MM ROAD 1MTS = (3.142X.01X.01)/4

=.0000786


WEIGHT =.0000786X7850

=0.6166 KGS/MT

Answer / sudipto das

Area of circular section * hight of the bar * density of the bar material= kg/m
or
162/d*d= weight of bar in kg/m
where d= diameter of the bar.

Answer / jaipal prajapati

2*3.14*r*7860

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