主要な材料の標準寸法 銅
| 鋼材名 | 種類(単位) | 標準寸法 | 
| C2801 | 鋼板(t) | 
 0.1, 0.15, 0.2, 0.25, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 1.0, 1.2, 1.4, 1.5, 1.6, 1.8, 2.0, 2.3, 2.5, 2.6, 3.0, 3.2, 3.5, 4.0, 5.0, 6.0, 7.0, 8.0, 9.0, 10, 12, 15, 16, 18, 20, 22, 25, 30, 35, 40, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 100, 110, 120  | 
| C1020 | 丸棒(d) | 
 3, 4, 5, 6, 8, 10, 12, 15, 16, 18, 20, 22, 25, 28, 30, 32, 35, 38, 40, 42, 45, 50, 55, 60, 65, 70, 75, 80, 85, 90, 95, 100  | 
