Why is 0.2 offset yield strength?

Related questions

1. How do you calculate 0.2 offset yield strength?
2. How the 0.2 offset yield strength is determined?
3. What is the unit of yield strength?
4. What does von Mises stress mean?
5. What is the offset yield strength?
6. What is the importance of yield strength?
7. What is yield stress formula?
8. What does yield strength depend on?
9. Is proof strength the same as yield strength?
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Tags

1. #amount
2. #means
3. #strength
4. #yield
5. #plastic
6. #yielded
7. #result
8. #undergone
9. #definition
10. #defined
11. #strain
12. #material
13. #proof
14. #reached
15. #stress
16. #permanent
17. #already
18. #offset