| Year | 1980 |
| Date | 18-Apr |
| Volume | 146 |
| Issue | 3,631 |
| Page | 476 |
| Category | Workshop |
| Part | |
| Title | Steel Specifications |
| Author | "Tubal Cain" |
| Notes | Comparison with EN numbers, plain carbon steels, freecutting steel, alloy steel, stainless steel, ductility (elongation) figures, effect of bright drawing, alloy steel, stainless steel, selection of steels, conclusion |