Ductile cast iron pipe DN100-DN300
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Ductile cast iron pipe DN100-DN300
Standard: AISI,ASTM, JIS, GB etc.
Out diameter:DN80-DN800
Wall thickness:0.3MM UPERW steel pipe|
1.ISO2531 K9
2.6m per pcs
3.zinc spraying ISO8179 130g/m2
4.bitumen paiting not below 70 micronStainless steel pipe|
ductile iron pipe feature details:
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Mechanical properties |
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Ductile Cast Iron Pipe |
Grey Iron Pipe |
Steel Pipe |
|
|
Tensile Strength(Mpa) |
≥420 |
150-260 |
≥400 |
|
|
Yield Strength(Mpa) |
No Confirmation |
No Confirmation |
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|
Bending Strength(Mpa) |
≥590 |
200-360 |
≥400 |
|
|
Elongation(%) |
≥10 |
Neglected |
≥18 |
|
|
Brinell Hardness(HBS) |
≤230 |
≤230 Seamless steel pipe |
About 140 |
|
|
Corrosion resistance properties |
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|
90 Days corrossion of water(g/m2) |
Corrosion of seawater(mm/a) |
72h5% corrosion of hydrochloric acid liquor(g/m2) |
100degrees33% corrosion of vitriol liquor(mg/cm2.h) |
|
Ductile cast iron pipe |
0.009 |
0.066 |
0.0821 |
620 |
|
Grey iron pipe |
0.0103 |
0.073 |
0.6899 |
470 |
|
Steel pipe |
0.0396 |
0.13 |
≥10 |
250 |
|
Chemical compositionCarbon steel pipe| |
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Chemical composition |
Ductile Cast Iron Pipe(%) |
Grey iron pipe(%) |
Steel pipe(%) |
|
|
C |
3.5-4.0 |
3.2-3.8 |
0.1-0.2 |
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|
Si |
1.9-2.6 |
1.4-2.2 |
0.15-0.4 |
|
|
Mn |
0.15-0.45Alloy steel pipe| |
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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