壓力配管用鋼管
ASTM A53 LINE PIPE
直徑1"以上配管一律採用焊屑刮除製程
用途：1. 瓦斯配管。2. 消防配管。3. 空調配管。4. 導線配管。
特性：1. 管內無突出物，流動阻力小。2. 管內不易積污垢。3. 延長鋼管使用年限。4. 管內無焊渣。
| 稱呼尺寸 | 外徑 | 厚度 |
|---|---|---|
| ½ | 0.840inch / 21.3mm | 0.109inch / 2.8mm 0.147inch / 3.7mm |
| ¾ | 1.050inch / 26.7mm | 0.113inch / 2.9mm 0.154inch / 3.9mm |
| 1 | 1.315inch / 33.4mm | 0.133inch / 3.4mm 0.179inch / 4.6mm |
| 1¼ | 1.660inch / 42.2mm | 0.140inch / 3.6mm 0.191inch / 4.8mm |
| 1½ | 1.900inch / 48.3mm | 0.145inch / 3.7mm 0.200inch / 5.1mm |
| 2 | 2.375inch /60.3mm | 0.154inch / 3.9mm 0.218in / 5.5mm |
| 2½ | 2.875inch / 73.0mm | 0.203inch / 5.2mm |
| 3 | 3.500inch / 88.9mm | 0.216inch / 5.5mm |
| 3½ | 4.000inch /101.6mm | 0.226inch / 5.7mm |
| 4 | 4.500inch / 114.3mm | 0.237inch / 6.0mm |
| 5 | 5.563inch / 141.3mm | 0.258inch / 6.6mm |
| 6 | 6.625inch / 168.3mm | 0.280inch / 7.1mm |
| 8 | 8.625inch / 219.1mm | 0.250inch / 6.4mm 0.277inch / 7.0mm 0.322inch / 8.2mm |
| 10 | 10.750inch / 273.0mm | 0.250inch / 6.4mm 0.307inch / 7.8mm 0.365inch / 9.3mm |
| 12 | 12.750inch / 323.9mm | 0.250inch / 6.4mm 0.330inch / 8.4mm 0.375inch / 9.5mm 0.406inch / 10.3mm |
| 14 | 14.000inch / 355.6mm | 0.250inch / 6.4mm 0.312inch / 7.9mm 0.375inch / 9.5mm 0.438inch / 11.1mm |
| 16 | 16.000inch / 406.4mm | 0.250inch / 6.4mm 0.312inch / 7.9mm 0.375inch / 9.5mm 0.500inch / 12.7mm |
| 18 | 18.000inch / 457.2mm | 0.250inch / 6.4mm 0.312inch / 7.9mm 0.375inch / 9.5mm 0.438inch / 11.1mm 0.562inch / 14.3mm |
| 20 | 20.000inch / 508.0mm | 0.250inch / 6.4mm 0.312inch / 7.9mm 0.375inch / 9.5mm 0.406inch / 10.3mm 0.438inch / 11.1mm 0.500inch / 12.7mm 0.594inch / 15.1mm 0.812inch / 20.6mm |
