1. % W ; 4% Cr ; 1% V; 5% Co ; 0.7% C |
2. 8% Mo; 4% Cr; 2% V; 6% W; 0.7% C |
3. 27% Cr ; 3% Ni; 5% Mo ; 0.25% C |
4. 18% Cr ; 8% Ni ; 0.15 C. |
A) 1 and 3
B) 1 and 2
C) 2 and 3
D) 2 and 4
Correct Answer: B
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