Plastic and Elasic Modulus 2

[dcnnng]

Please advise what is the difference between plastic and elastic modulus and how do we calculate the Plastic Modulus? Thank you.

 

[csd72]

In the US they use z instead of s in many places throughout the dictionary.

No idea, but it goes to show that when you deal with overseas engineers its best to state what it is and not just use the letter.

csd

 

[apsix]

Z is elastic section modulus in the UK and presumably in most of the Commonwealth. As for the US, they have their own gallon and ton, so why not their own Z & S?