NICKEL COPPER ALLOYS
Nickel Copper Alloys (NiCu) and their welding consumables have a Ni content of 50-70 % and are known as Silverin alloys.
Application example:
- (NiCu45) Silverin 404 is used for electronic components due to its low magnetic permeability.
- (NiCu30Fe) Silverin 400 has excellent resistance to liquid acids and seawater corrosion. Typical applications are plant and apparatus construction, as well as Ship Building.
- (NiCu30Al) Silverin 500 can be age-hardened due to the increased Aluminum and Titanium content. The final hardness of the material prior to precipitation treatment is between 24-44 HRC. A prime application is the manufacturer of doctor blades used in the paper industry. This alloy is also used to produce springs for the Ship Building Industry.
- IGS-Silverin 418 is the welding grade used to produce Strip Electrodes. This is used for overlay cladding of parts in the petrochemical and marine industries.
ALLOY
| AMW-TRADE NAME | ALLOY | STANDARD | MATERIAL-NO. DIN / UNS |
|---|---|---|---|
| Silverin 400 | NiCu30Fe | DIN 17743 / ASTM B 127 | 2.4360 / N 04400 |
| Silverin 500 | NiCu30Al | DIN 17743 | 2.4375 / N 05500 |
| Silverin 404 | NiCu45 |
AVERAGE CHEMICAL COMPOSITION (mass %)
| AMW-TRADE NAME | Ni (+Co) | Al | C | Cu | Fe | Mn | Si | Ti | |
|---|---|---|---|---|---|---|---|---|---|
| Silverin 400 | min | 63 | 28 | 1.0 | |||||
| max | 0.5 | 0.15 | 34 | 2.5 | 2.0 | 0.5 | 0.3 | ||
| Silverin 500 | min | 63 | 2.2 | 27 | 0.5 | 0.3 | |||
| max | 3.5 | 0.2 | 34 | 2.0 | 1.5 | 0.5 | 1.0 | ||
| Silverin 404 | min | 54.5 | |||||||
| max | 55.5 | 0.1 | 0.1 | bal. | 0.3 | 0.1 | 0.1 |
PHYSICAL PROPERTIES
| AMW-TRADE NAME | DENSITY | THERMAL EXPANSION COEFFICIENT 20 – 100 ˚C | CURIE-TEMPERATURE | THERMAL CONDUCTIVITY AT 20 ˚C |
|---|---|---|---|---|
| g/cm3 | 10 -6/K | ˚C | W/m˚K | |
| Silverin 400 | 8.8 | 14 | 50 | 26 |
| Silverin 500 | 8.5 | 13.7 | 135* 100** | 19 |
| Silverin 404 | 8.9 | 13 | 21 |
* solution heat treated / ** precipitation hardened
WIRES OR ROUND WIRES
| DIA (MM) | LENGTH & PACKING | STOCK POSITION |
|---|---|---|
| 0.10 Onwards | Spools & Coils | Ready Stock |
BLOCKS OR SLABS
From Ready Stock, we offer Cut-To-Size pieces as per your dimensions and requirements.
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