HOW TO CALCULATE WEIGHT OF MILD STEEL BAR

Hi guys today i am going to explain you How to calculate weight of mild steel bar.


  WEIGHT OF STEEL BAR = volume x density
M.S STEEL BAR

 so
     VOLUME  of ms steel bar = A x H

          Where      A = Area of steel
                       
                          H = height/Length of steel bar


here we have to find out unit weight of steel for 1 meter length/Height
 
                     D = 8mm⇒ r = 0.004 meter
             
                    L/H= 1 meter

     VOLUME OF STEEL =  𝝿r²H

     Volume of steel bar =  3.14 X (0.004)² X 1

     V =0.00005024  M³
                                                                                        Density of steel = 7850 kg/m³


WEIGHT OF STEEL BAR = volume x density

                                           W = 0.00005024 X 7850
                
                                           W = 0.395kg

Given formula can be use to find out unit weight of steel
                        
              unit weight of steel = D²/162

                   D = Dia of steel in mm

we have D = 8mm
 so 
    unit weight of steel = (8 x 8)/162
                            
                                   = 0.395 kg
THIS IS FOR UNIT WEIGHT 

NOTE
               if we have different different length of bar so we can use 
                                 
                      formula  W = D²L/162
         
                    D = dia of bar in mm
                 
                  L= length of bar in METE

 IF Length of bar is 5 Meter
   D = 20 mm
   so 
  WEIGHT OD STEEL BAR
                                                    = [(20 X 20) X 5}/162
                               
                                                 W = 12.34 KG

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