| 283 | A Guide To Reading and Writing Japanese (Florence Sakade) |
| 374 | A Guide To Reading and Writing Japanese 3rd edition (Henshall, Seeley and De Groot) |
| 353 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 327 | A New Dictionary of Kanji Usage |
| 4844 | Classic Nelson (Andrew Nelson) |
| 242 | Essential Kanji (P.G. O’Neill) |
| 976 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1948 | Japanese Names (P.G. O’Neill) |
| 2.1 | Japanese for Busy People |
| 312 | Kanji and Kana (Spahn and Hadamitzky) |
| 312 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 147 | Kanji in Context (Nishiguchi and Kono) |
| 1814 | Kodansha Compact Kanji Guide |
| 2147 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1126 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1527 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 854 | Les Kanjis dans la tete (Yves Maniette) |
| 40285 | Morohashi |
| 1711 | New Japanese English Character Dictionary (Jack Halpern) |
| 6253 | New Nelson (John Haig) |
| 846 | Remembering The Kanji (James Heisig) |
| 909 | Remembering The Kanji, 6th edition (James Heisig) |
| 449 | The Kanji Way to Japanese Language Power (Dale Crowley) |
| 422 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in grade 3
JLPT level N2
672 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 鉄 【テツ】 iron (Fe), steel, iron (will, discipline, lady, etc.), railway, railway enthusiast
- 鉄製 【テッセイ】 made of iron
- 国鉄 【コクテツ】 national railway, Japan National Railways (1949-1987)
- 新日本製鐵 【シンニッポンセイテツ】 Nippon Steel Corporation
Kun reading compounds
- 黒金 【くろがね】 iron
Readings
- Japanese names:
- けん、 てっ
- Korean:
- cheol
Spanish
- hierro
- acero
Portuguese
- ferro
French
- fer
| 2863 | 2001 Kanji |
| 8a5.6 | The Kanji Dictionary |
| 1-8-5 | SKIP code |
| 8513.0 | Four corner code |
| 1-37-20 | JIS X 0208-1997 kuten code |
| 9244 | Unicode hex code |
Jōyō kanji, taught in junior high
JLPT level N1
1866 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 開扉 【カイヒ】 opening a door
- 小開扉 【ショウカイヒ】 opening a door for a moment (esp. on the train, when someone's foot is stuck, etc.)
Kun reading compounds
- 扉 【とびら】 door, gate, opening, title page
- 扉絵 【とびらえ】 frontispiece
- 自動扉 【じどうとびら】 automatic door
- 前扉 【まえとびら】 front door (of a cabinet, bus, etc.), half-title (of a book), bastard title
Readings
- Korean:
- bi
Spanish
- puerta principal
- puerta corredera
Portuguese
- porta frontal
- página de título
- página frontal
French
- porte d'entrée
- première page
- page de titre
| 1730 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1838 | A New Dictionary of Kanji Usage |
| 1825 | Classic Nelson (Andrew Nelson) |
| 1334 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 1556 | Kanji and Kana (Spahn and Hadamitzky) |
| 1658 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1734 | Kanji in Context (Nishiguchi and Kono) |
| 846 | Kodansha Compact Kanji Guide |
| 2453 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1240 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1705 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1653 | Les Kanjis dans la tete (Yves Maniette) |
| 11750X | Morohashi |
| 1955 | New Japanese English Character Dictionary (Jack Halpern) |
| 2058 | New Nelson (John Haig) |
| 1638 | Remembering The Kanji (James Heisig) |
| 1766 | Remembering The Kanji, 6th edition (James Heisig) |
| 1536 | Tuttle Kanji Cards (Alexander Kask) |
| 3054 | 2001 Kanji |
| 4m8.2 | The Kanji Dictionary |
| 2-1-11 | SKIP code |
| 3021.1 | Four corner code |
| 1-40-66 | JIS X 0208-1997 kuten code |
| 6249 | Unicode hex code |