藝術與建築詞典根目錄
....材料層面
........材料 (材料層面)
............材料
................<依成分區分之材料>
....................無機材料
........................金屬
............................<依成分或來源區分之金屬>
................................<鐵與鐵合金>
....................................鐵合金
........................................鋼 (合金)
............................................合金鋼
................................................高強度低合金鋼
|||....................................................戈坦鋼 (商標)
................................................鉻鋼
|||....................................................鉻釩鋼
....................................................不銹鋼