ISO2531-1998 Ductile Iron pipe fittings
USD $50 - $1,000 /Ton
Min.Order:1 Ton
CNBM International Corporation
CNBM manufactures Ductile Iron Push-on Joint & Mechanical Joint Fittings which conform to Product standards: EN 545:2002, ISO-2531:1998, ANSI/AWWA C153/C110 & GB13295. The fittings are made with the most modern casting technique known as Vacuum Lost Foam Process.
Ductile Iron fittings without branches conform to class-K12. Ductile Iron fittings with branches conform to class-K14. For calculating thickness e= K(0.5 + 0.00IDN).
Some Fabricated Fittings are also available from us.
1. Composition of raw material:
l C: 3.4 - 3.7%
l Si: 2.0 - 2.4%
l P: ≤0.08%
l S: ≤0.015%
l Mg: 0.03 - 0.08%
l Mn: ≤0.30%
Average Density of Metal is approximate 7050kg/m
2. Mechanical Properties
Item | Tensile Strength N/mm2 | Elongation % | Proof Stress N/mm2 | Hardness HB | ||
DN80 to DN2000 | DN80 to DN1000 | DN1100 to DN2000 | DN80 to DN1000 | DN1100 to DN2000 | ||
Fittings | ≥420 | ≥5 | ≥300 | ≤230 | ||
3. Works Test Pressure
DN | Minimum hydraulic test pressure (bar) |
Fittings | |
60 to 300 | 25 |
350 to 600 | 16 |
700 to 1000 | 10 |
1100 to 2000 | 10 |
5. Internal Lining
| Fittings |
Standard Coatings | Cement mortar |
Reinforced protections | Epoxy Resin/Epoxy Powder |
Special coatings | Please consult us |
6. External Coatings
| Fittings |
Standard Coatings | Basic protection |
Zinc rich paint + Bituminous paint | |
Reinforced protections | Basic protection + |
Epoxy Resin/Epoxy Powder | |
Special coatings | Please consult us. |