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i'm sorry for asking another silly question, but how come when i have done the calculations i came up with (497040.88) where the figures provided by you gentlemen is 500 MPa. i have used meter and KN throught as standard units.

they asked for the calculation before they even see the structure. should the testing firm do thier own calculation?

rb1957 are you sure that the I equation is correct? because i cant manage to get the 500 MPa value. is there any chance that you could include the calculation please. so i can try it for different bar diameter to suit the load.

i was asked for the calculation from the company who will certify it, as they said it will not be valid without it.

1500 kg is the mass or the weight sitting on top of the bar, so it would be 14715 N.

the ends of the bar are welded to a frame. i'm not concern about the intergrity of the frame as its already tested. its just the bending stress at mid span that i need to show. could you show me how you done the calculation?

hi all, I have a sold mild steel round bar of 40 mm diameter and 850 mm length. this bar is subjected to a load of 1500 kg at the middle. i have already tried the the bar and i know that it can take the load applied to it. however i need to show the calculation in order to get it load...