Specification:
1) The standard of pipe: ISO2531:1998, EN545:2006，K9 K8
2) Effective length: 6m/5.7m
3) Inner cement line: Portland cement lineas per ISO4179
4) Zinc coating: at least 130g/m2 as per ISO8179
5) Bitumen painting: at least 70μm as per ISO8179
6)With 102% quantity of NBR, SBR, or EPDM ring asper ISO4633
7) DN80-DN1200
8) Highstrength, lighter than grey iron, good corrosion resistance, no furring, smallflow resistance, easy fixing, long life tome about 100 yeas
9)Checked by automatic inspection equipment
10) Composition:
Chemical composition | |||
Chemical composition | Ductile Cast Iron Pipe (%) | Grey iron pipe (%) | Steel pipe (%) |
C | 3.5-4.0 | 3.2-3.8 | 0.1-0.2 |
Si | 1.9-2.6 | 1.4-2.2 | 0.15-0.4 |
Mn | 0.15-0.45 | 0.4-0.6 | 0.3-0.6 |
P | ≤0.06 | ≤0.3 | 0.02-0.03 |
S | ≤0.02 | ≤0.1 | 0.02-0.03 |
Mg | 0.03-0.06 |
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11) Feature:
Mechanical properties | |||
| Ductile Cast Iron Pipe | Grey Iron Pipe | Steel Pipe |
Tensile Strength(Mpa) | ≥420 | 150-260 | ≥400 |
Yield Strength(Mpa) | ≥300 | No Confirmation | No Confirmation |
Bending Strength(Mpa) | ≥590 | 200-360 | ≥400 |
Elongation (%) | ≥10 | Neglected | ≥18 |
Brinell Hardness(HBS) | ≤230 | ≤230 | About 140 |
12) T type mechanical joint
13) Packing: in bulk or container
PACKING: 1) Pipesare bundled together with the steel belt.
2) Wooden pieces are put between the pipes.
