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Overview
The cupper-nickel properly said have contents of niquel of the 5 to the 44% and are used, generally, by their/its/your/his excellent resistance to the corrosion, the one which increases with the nickel content . Among the alloys with greater nickel content is found the MONEL , of exceptional resistance properties to the corrosion. In addition to the cuproniqueles binary, formed only to base of nickel and coppersome contain a third or a fourth element. Those which contain zinc are known by alpacas.
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| Designation |
Typesetting |
Resistance to the traction kg/mm² R...............F |
Limit elastic kg/mm² R...........F |
Lengthen % R................F |
Hardness Brinell R...........F |
Conductivity electric % I.A.C.S. |
| K-701 Cu Ni 30 |
8,9 |
36...............60 |
14.........49 |
20............10 |
75....180 |
5 |
| K-702 Cu Ni 10 Fe 1 Mn |
8,9 |
32..............42 |
12..........38 |
38............12 |
65.....120 |
9 |
| K-703 Cu Ni 30 Mn 1 Fe |
8,95 |
36............50 |
15..........43 |
42..............16 |
85.....140 |
5 |
| K-704 Cu Ni 12 Zn 23 Alpaca |
8,7 |
41..........47-70 |
15-20.36-60 |
38-45...25-2 |
85-100 125-190 |
7 |
| K-705 Cu Ni 18 Zn 19 Pb 2 Alpaca |
8,75 |
43.........48-70 |
17-23 36-67 |
32-42.....23-2 |
90-100 125-200 |
6 |
| K-706 Ni Cu 30 Monel |
8,8 |
50 |
- |
30 |
120-140 |
4 |
R = Cuved F =
Wrought
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Equivalences---------------------------------------------Applications
K-701 Cu Ni 30 ..............DIN 17664.....................
chemical sets for decorative end
K-702 Cu Ni 10 Fe ......... DIN 17664.....................
to drive sea water, in condensers of central ships you set.
K-703 Cu Ni 30 Fe.......... DIN 17664.....................
Pipes with speeds until 5 m/s of water very contaminated
K-704 Ns 6512................DIN 17663.....................
Telecomunicación, construction, art.
K-705 Ns 6218 Pb...........DIN 17663......................
Pieces of schemed by take-off of shaving
K-706 Ni Cu 30 Fe.......... DIN 17743......................
Sets chemical, butterfly valves, tools exposed to corrosion |
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Supply |
Smelting, bars, dollas, pipe and sheet |
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