| 7215.90 | 010 | 1 Containing by weight less than 0.6% of carbon | 
| 7217.10 |  | 1 Containing by weight less than 0.6 % of carbon | 
| 7217.10 | 010 | - Containing by weight less than 0.25 % of carbon | 
| 7217.20 |  | 1 Containing by weight less than 0.6 % of carbon | 
| 7217.20 |  | - Containing by weight less than 0.25 % of carbon | 
| 7217.30 |  | 1 Containing by weight less than 0.6 % of carbon | 
| 7217.30 |  | - Containing by weight less than 0.25 % of carbon | 
| 7217.90 |  | 1 Containing by weight less than 0.6 % of carbon | 
| 7217.90 | 011 | - Containing by weight less than 0.25 % of carbon | 
| 7306.30 |  | - Carbon steel pipes for ordinary piping | 
| 7306.30 |  | - Carbon steel tubes for general structural purposes | 
| 7307.93 | 010 | -Of carbon steel(manufactured with steel specified in Note 1 (d) to Chapter 72, but excluding those manufactured with other alloy steel specified in Note 1 (f) to Chapter 72) | 
| 8533.10 | 000 | Fixed carbon resistors, composition or film types | 
| 85.45 |  | Carbon electrodes, carbon brushes, lamp carbons, battery carbons and other articles of graphite or other carbon, with or without metal, of a kind used for electrical purposes | 
| 8545.90 | 010 | 1 Carbon electric heating resistors |