| 1. | Technical standard of polyethene tape coating for steel pipeline
钢制管道聚乙烯胶粘带防腐层技术标准 |
| 2. | Technical standard for construction of steel piping for petrochemical industry
石油化工钢制管道工程施工工艺标准 |
| 3. | Standard of coal tar enamel external protective coating for buried steel pipeline
埋地钢制管道煤焦油瓷漆外防腐层技术标准 |
| 4. | Test method for nondestructive measurement of film thickness of pipeline coatings on steel
钢制管道涂层厚度无损测量的试验方法 |
| 5. | Technical standard of tapping plugging on steel pipeline - part 1 : plug cylinder stopple
钢制管道封堵技术规程.第1部分:塞式筒式封堵 |
| 6. | Method of ultrasonic inspetion and result classification of circumferential butt welds in steel pipes and tubes
钢制管道对接环焊缝超声波探伤方法和检验结果的分级 |
| 7. | This type of joint have been widelu used in the steel pipeline system for connection , it has a very good self - compensation performance while temperature change and angle deviation of the pipeline axis
锻压卡箍式柔性管道接头该产品具有温度自补偿和角度自补偿功能，是钢制管道系统中广泛应用的联接件，其结构合理、耐压强度高、密封性能好，安装维修方便。 |
