| 中国城镇建设行业标准CJ/T136-2001给水村塑复合钢管 |
| Steel Pipes of Lining plasteic for water supply |
| 理化性能 |
| physical and Chemical Property |
| 项目 | 冷水用衬塑钢管 | 热水用衬塑钢管 |
| project | plastic inner lining steel pipe for cold water | plastic inner lining steel pipe for hot water |
| 结合强度 bond strength | >0.2Mpa(20N/c㎡) | >1.0Mpa(100N/c㎡) |
| 弯曲试验（公称口径≤50mm) | 不发生裂痕，钢塑不分离 | 不发生裂痕，钢塑不分离 |
| Bend experiment(NB≤50mm) | no crack,steel plastic not separation | no crack,steel plastic not separation |
| 压扁试验（公称口径≥65mm) | 不发生裂痕，钢塑不分离 | 不发生裂痕，钢塑不分离 |
| stave experiment(NB≤65mm) | no crack,steel plastic not separation | no crack,steel plastic not separation |
| 卫生性能试验 | 符合GB/T17219的要求 | 符合GB/T17219的要求 |
| sanitation capability experiment | meet the request of GB/t1721 | meet the request of GB/t1721 |
| 耐冷热循环性能 | | 三个周期冷热循环试验，衬 |
| 塑层无变形裂纹等，其结合 |
| cold and hot resistant circulation property | 强度不低于1.0Mpa |
| | | Three time cold and hot circulation experiment.Plastic lining not flaw and distortionthe bond strength is not under 1.0Mpa |
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| 尺寸规格（mm） |
| Product specification size |
| 公称口径 | 公称外径 | 钢管壁厚 | 内衬塑料管厚度 | 钢管长度 |
| Norminal diameter | Norminal bore | Wall thickness | Plastic pipe wall thickness | Length |
| 15 | 21.3 | 2.8 | 1.5±0.2 | 6000 |
| 20 | 26.9 | 2.8 | 1.5±0.2 | 6000 |
| 25 | 33.7 | 3.2 | 1.5±0.2 | 6000 |
| 32 | 42.4 | 3.5 | 1.5±0.2 | 6000 |
| 40 | 48.3 | 3.5 | 1.5±0.2 | 6000 |
| 50 | 60.3 | 3.8 | 1.5±0.2 | 6000 |
| 65 | 76.1 | 4.0 | 1.5±0.2 | 6000 |
| 80 | 88.9 | 4.0 | 2.0±0.2 | 6000 |
| 100 | 114.3 | 4.0 | 2.0±0.2 | 6000 |
| 125 | 139.7 | 4.0 | 2.0±0.2 | 6000 |
| 150 | 165（168.3） | 4.5 | 2.5±0.2 | 6000 |
| 200 | 219 | 4.5 | 2.5±0.2 | 6000 |