| 是否进口：否 | 产地：衡水力能 | 牌号：213123 |
| 品名：钢波纹涵管 | 型号：AD25.0 | 货号：423231 |
| 公称外径：2500mm | 材质：钢板 | 用途：公路隧道 |
| 壁厚：3mm | 结构形式：单壁波纹管 | 温度范围：120度 |
| 长度：3m | 品牌：力能 | Q235：Q345 |
used in the standard national standard should meet the mechanical requirements and not lower than the strength of the pipe. The gasket matches the fastener. Both bolts and nuts are hot dip galvanized.
(4) The pipe wall and supporting accessories are all hot dip galvanized, and the uniform thickness of the galvanized layer is greater than 84um. After the culvert is transported to the construction site, the site is painted with two asphalt.
(5) The sealing material is made of rubber seal ring or square asbestos root seal with good durability.
