What is the standard for filing form of plastic-lined pipeline group?

The national standards and industry standards of plastic-lined steel pipes are as follows:

1, 1, plastic-lined steel pipes for water supply shall meet the requirements of CJ/T 136 standard.

2. The adhesive between plastic coating and steel pipe shall meet the requirements of SY/T04 13 for adhesive.

3, 3, polyethylene (PE) steel pipe lining plastic should meet the requirements of GB/T 13663 for plastic.

4. The lining plastic of PE-RT steel pipe shall meet the requirements of CJ/T 175 for plastics.

5, 5, cross-linked polyethylene (PE-X) lined steel pipe lining plastic should meet the requirements of GB/T 18992.2 for plastic.

6, 6, lined with polypropylene (PP-R) steel pipe lining plastic should meet the requirements of GB/T 18742.2 for plastic.

7.7. The plastic lining of Shenzhen Zhu Hua Pipe Industry lined with hard PVC-U steel pipe shall meet the requirements of GB/T 10002. 1 for plastics.

8, 8, lined with chlorinated polyvinyl chloride (PVC-C) steel pipe lining plastic should meet the requirements of GB/T 18993.2 for plastic.

9. The base pipe of straight welded pipe shall meet the requirements of GB/T309 1 for base pipe.

10, 10 and seamless welded pipes shall meet the requirements of GB/T8 163 for base pipes.