railway RRB JE (CBT I + CBT II) Mock Test 2024 Engineering Materials Science Structure and Properties of Engineering Materials Properties of Materials
If a steel is designated as C80, which of the following statement is correct for it?
1
C ≡ plain carbon steel, 80 ≡ 80% Iron
2
C ≡ plain carbon steel, 80 ≡ 0.8% carbon
3
C ≡ tool steel, 80 ≡ 0.8% carbon
4
C ≡ tool steel, 80 ≡ 80% Iron