| 1569 | A Guide To Remembering Japanese Characters (Kenneth G. Henshall) |
| 1733 | A New Dictionary of Kanji Usage |
| 4895 | Classic Nelson (Andrew Nelson) |
| 1351 | Essential Kanji (P.G. O’Neill) |
| 1855 | Japanese Kanji Flashcards (Max Hodges and Tomoko Okazaki) |
| 2651 | Japanese Names (P.G. O’Neill) |
| 1817 | Kanji and Kana (Spahn and Hadamitzky) |
| 1966 | Kanji and Kana, 2nd Edition (Spahn and Hadamitzky) |
| 1605 | Kanji in Context (Nishiguchi and Kono) |
| 1831 | Kodansha Compact Kanji Guide |
| 2206 | Kodansha Kanji Dictionary (Jack Halpern) |
| 1152 | Kodansha Kanji Learner’s Dictionary (Jack Halpern) |
| 1567 | Kodansha Kanji Learner’s Dictionary, 2nd Edition (Jack Halpern) |
| 1877 | Les Kanjis dans la tete (Yves Maniette) |
| 40625 | Morohashi |
| 1755 | New Japanese English Character Dictionary (Jack Halpern) |
| 6318 | New Nelson (John Haig) |
| 1860 | Remembering The Kanji (James Heisig) |
| 2004 | Remembering The Kanji, 6th edition (James Heisig) |
| 1887 | Tuttle Kanji Cards (Alexander Kask) |
Jōyō kanji, taught in junior high
JLPT level N1
1793 of 2500 most used kanji in newspapers
Stroke order
On reading compounds
- 鍛錬 【タンレン】 tempering (metal), annealing, forging, toughening, disciplining, training
- 鍛金 【タンキン】 hammering
Kun reading compounds
- 鍛える 【きたえる】 to forge, to temper, to drill, to train, to discipline
Readings
- Japanese names:
- か
- Korean:
- dan
Spanish
- forjar
- disciplinar
- entrenar
Portuguese
- forjar
- disciplinar
- treinar
French
- former
- discipliner
- entraîner
| 2868 | 2001 Kanji |
| 8a9.5 | The Kanji Dictionary |
| 1-8-9 | SKIP code |
| 8714.7 | Four corner code |
| 1-35-35 | JIS X 0208-1997 kuten code |
| 935b | Unicode hex code |
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
| 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) |
| 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 |