http://homepage2.nifty.com/reitoki_net/
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http://homepage2.nifty.com/reitoki_net/ |
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| 一般冷媒配管用銅管 | 圧力配管用炭素鋼管 |
| 管のサイズ | 管の呼称 | |||
| インチ | 外径（mm） | Ａ | Ｂ | 外径（mm） |
| 1/8 | 3.17 | 6A | 1/8B | 10.5 |
| 1/4 | 6.35 | 8A | 1/4B | 13.8 |
| 3/8 | 9.52 | 10A | 3/8B | 17.3 |
| 1/2 | 12.70 | 15A | 1/2B | 21.7 |
| 5/8 | 15.88 | 20A | 3/4B | 27.2 |
| 3/4 | 19.05 | 25A | 1B | 34.0 |
| 7/8 | 22.22 | 32A | 1_1/4B | 42.7 |
| 1 | 25.40 | 40A | 1_1/2B | 48.6 |
| 1_1/8 | 28.58 | 50A | 2B | 60.5 |
| 1_1/4 | 31.75 | 65A | 2_1/2B | 76.3 |
| 1_3/8 | 34.92 | 80A | 3B | 89.1 |
| 1_1/2 | 38.10 | 90A | 3_1/2B | 101.6 |
| 1_5/8 | 41.28 | 100A | 4B | 114.3 |
| 1_3/4 | 44.45 | 125A | 5B | 139.8 |
| 2 | 50.80 | 150A | 6B | 165.2 |
| 2_1/8 | 53.98 | - | - | - |
| 2_1/4 | 63.50 | - | - | - |
| 2_5/8 | 66.68 | - | - | - |
| - | - | - | - | - |