CuNi44 | 2.0842 Material Datasheet
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| Material Number | Material Name | Material Number (single) | Standard | Scope | Standard Status | Country | Predecessor | VDA 231-106 classification | Application temperature [°C] | |
|---|---|---|---|---|---|---|---|---|---|---|
| 2.0842 (DIN 17471 : 2026-05) | CuNi44 | 2.0842 | DIN 17471 : 2026-05 | Supersedes DIN 17471 : 1983-04 | Valid | Germany | CuNi44 | 3.2 | ≤ 600 | 1) |
| 1) Remark: Resistance alloy with a low temperature coefficient. It is highly resistant to scaling and exhibits high thermoelectric voltage relative to copper. Application: all types of electrical resistors, measuring resistors, heating wires and cables, potentiometers |
Chemical Composition
| Cu [%] | Mn [%] | Ni [%] | |
|---|---|---|---|
| blur | blur | blur | 1)2) |
| 1) Source: blur | |||
| 2) Remark: blur |
Mechanical Properties
| Semi-finished Product | Condition | Nominal Size [mm] | Temperature [°C] | Tensile Strength [MPa] | Elongation A100 [%] | |
|---|---|---|---|---|---|---|
| blur | blur | blur | blur | blur | 1)2) | |
| blur | blur | blur | blur | blur | 1)2) | |
| blur | blur | blur | blur | blur | 1)2) | |
| blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | 1) | |
| blur | blur | blur | blur | blur | blur | 1) |
| 1) Source: blur | ||||||
| 2) Remark: blur |
Physical Properties
| Condition | Temperature [°C] | Melting Temperature [°C] | Density [g/cm³] | Mean Coefficient of Thermal Expansion (reference 20°C) [10^-6*K^-1] | Thermal Conductivity [W/(m*K)] | Specific Electrical Resistance [µΩm] | Mean Specific Heat Capacity [kJ/(kg*K)] | |
|---|---|---|---|---|---|---|---|---|
| blur | blur | blur | 1)2) | |||||
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| blur | blur | blur | blur | 1)3) | ||||
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| blur | blur | 1)3) | ||||||
| blur | 1)3) | |||||||
| 1) Source: blur | ||||||||
| 2) Remark: blur | ||||||||
| 3) Remark: blur |
Welding and Joining
| Procedure | Welding and Joining - Evaluation | |
|---|---|---|
| blur | blur | 1) |
| 1) Source: blur |
Cross Reference
| Material Name | Country | Standard |
|---|---|---|
| CuNi44Mn1 | International | ISO |
Producer/Supplier/Trade names
| Tradename | Supplier |
|---|---|
| CuNi44 | Auerhammer Vacuumgießerei GmbH, Aue |
| bercotherm N44 | Berkenhoff GmbH, Heuchelheim |
| CuNi44 | Heraeus Deutschland GmbH & Co. KG, Hanau |
| ISOTAN | Isabellenhütte Heusler GmbH & Co.KG, Dillenburg |
| Constantan 45 | Lebronze Alloys Germany GmbH, Lüdenscheid |
| CuNi44 | Schreier Metall GmbH, Erkrath |
| Konstantan | Schreier Metall GmbH, Erkrath |