Engineer > Grades > Flashcards
2% grade
1psi
5% grade
2psi
10% grade
4psi
12.5% grade
5psi
15% grade
7psi
20% grade
9psi
25% grade
11psi
30% grade
13psi
35% grade
15psi
40% grade
17psi
45% grade
19psi
Unknown grade