Material Iron Technics Casting Place of Origin China (Mainland) Model Number DN80-DN2000 Brand Name CMAX

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

CNBM ISO2531/EN545 Ductile Iron pipe Fittings