ISO2531 , EN545, GB/T13295 material:ductile iron zinc(130g/m2 or more)+bitumen(70um or more) portland cement mortar:ISO4179

1. ductile iron pipes Standard:ISO2531:1998/EN545:2006

2. Socket and spigot ends with the flexible push on joints, class K8 K9

3. Internal lining of cement mortar in accordance with ISO4179:1985, and external coating of zinc in accordance with ISO8179:1995 with a finishing layer of bituminous coating

4. Rubber gasket materials shall conform to the requirements of ISO4633 for water applications and ISO6447 for gas applications.

5. Effective length 6 meters or 5.7 meters for container loading

6. Mechanical properties:

Tensile Strength(Mpa)	≥420
Yield Strength(Mpa)	≥300
Bending Strength(Mpa)	≥590
Elongation (%)	≥10
Brinell Hardness(HBS)	≤230

7. Passing ISO9001:2008, ISO2531 & EN545 certificate

8. Packing: in bulk or container

PACKING: 1) Pipes are bundled together with the steel belt.

2) Wooden pieces are put between the pipes.

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ductile iron pipeclass K9