Hebei Lufeng Piping Equipment Co., Ltd.
Carbon /Alloy steel pipes, ERW steel pipes, API 5L LSAW&SSAW, ASME B16.9/MSS SP-75 BW pipe fittings, ASME B16.5/16.47 steel flanges, ASME B16.11/MSS SP-97 forged fittings, Knife gate valves, Butterfly
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Specification of Ductile iron pipe suppliers
1. Standard: ISO2531-1998,EN545-2006,Class:K8,K9
2. Length: 6m for bulk shipping, 5.7m suitable for container
3. Inner surface: Inner surface cement according to ISO4179 and outer surface bitumen lining according to ISO8179
4. Parameter
| Specification(mm) | Ductile Iron Pipe(K9 Grade) | Grey Pipes(A grade) | Ratio of A/B | ||
| Wall Thickness(mm) | Laying Length Per Ton | Wall Thickness(mm) | Laying Length Per Ton | ||
| 100 | 6.1 | 63.8 | 9 | 42.6 | 1.49 |
| 150 | 6.3 | 41.67 | 9.2 | 28.41 | 1.47 |
| 200 | 6.4 | 30.93 | 10.1 | 19.7 | 1.57 |
| 250 | 6.8 | 23.53 | 11 | 14.56 | 1.62 |
| 300 | 7.2 | 18.58 | 11.9 | 11.3 | 1.64 |
| 350 | 7.7 | 14.89 | 12.8 | 9.06 | 1.64 |
| 400 | 8.1 | 12.45 | 13.8 | 7.38 | 1.69 |
| 450 | 8.6 | 10.43 | 14.7 | 6.17 | 1.72 |
| 500 | 9 | 8.97 | 15.6 | 5.24 | 1.73 |
| 600 | 9.9 | 6.8 | 17.4 | 3.92 | 1.76 |
| 700 | 10.8 | 5.34 | 19.3 | 3.03 | 1.77 |
| 800 | 11.7 | 4.3 | 21.1 | 2.43 | 1.78 |
| 900 | 12.6 | 3.55 | 22.9 | 1.99 | 1.8 |
| 1000 | 13.5 | 2.97 | 24.8 | 1.65 | 1.8 |
| 1100 | 14.4 | 2.59 | 27.9 | 1.43 | 1.8 |
| 1200 | 15.3 | 2.2 | 31 | 1.2 | 1.8 |
Mechanical Property
| 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 |
| Brienell Hardness (HBS) | ≤230 | ≤230 | 140 |
Application and Feature
- For potable water supply
- High strength
- Long lifespan
- Good corrosion resistance
- Easy installation
