What is the ratio of iron, chromium and nickel in stainless steel? |
|||||||
(a) |
7:2:1 |
(b) |
7:1:2 |
(c) |
7:3:1 |
(d) |
1:2:7 |
What is the ratio of iron, chromium and nickel in stainless steel? |
|||||||
(a) |
7:2:1 |
(b) |
7:1:2 |
(c) |
7:3:1 |
(d) |
1:2:7 |