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Highly resistant.
Mean antifriction properties and high corrosion resistance.
Excellent wear resistance. Remarkable fatigue strength.
Forgeable.
Achieved according to the regulations of the table UNI 4855 "Casting
copper alloys as ingots and castings - Generalities and tests"
VALUES REFERRED TO FORGES PIECES
| Designation |
Composition |
Unitary ultimate tensile stress
R
[kgf/mm2] |
Elongation
A
[%] |
Brinell hardness
HB
[kgf/mm2] |
Supply |
DURAN E
DURAN E/Ni
DURAN E/2 |
Cu/Zn/Mn
Cu/Zn/Mn/Ni
Cu/Zn/Mn/Ni |
40÷50
55÷65
55÷65 |
10÷20
8÷12
8÷12 |
130÷160
160÷180
160÷180 |
Sand casting
Chill casting
Forged |
 
The trademarks of bronzes "CM" "DURAN" "MAC"
assure the unchangingness of mechanical and metallurgical characteristics
in the castings we produce.
DURAN E - DURAN E/Ni - DURAN E/2
Gears; ring gears; scrolls; nut screws; shafts and rods of pumps; high
pressure valves; housings of ball bearings; sliding blocks for rolling
mill adapters; various parts.
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