1. Incoloy steel assessable under H. 73.15(2). (1982 ECR 143B).
2. Valve steel assessable under H. 73.15(2). (1982 ECR 143B).
3. Used Steel Rails for rerolling purposes suitable for use as railway track material are assessable under H. 73.16. (1985 ECR 25B).
4. Corrosion Resistant Steel Plates containing more than 0.1% molybdenum and 0.4% chromium are assessable under H. 73.15(1). (1985 ECR 25B).