Nickel 201
UNS N02201
Description
Nickel 201 alloy is a commercially pure wrought alloy having properties similar to that of nickel 200 alloy, but with a lower carbon content to avoid embrittlement by inter-granular carbon at temperatures over 600 °F (315 °C). It has highly ductile mechanical properties across a wide temperature range, good corrosion resistance in neutral to moderately reducing environments, high thermal and electrical conductivity. It is also resistant to mineral acids depending on the temperature and concentration of the solution. However, lower carbon content also reduces hardness, making Nickel 201 particularly suitable for cold-formed items. Nickel 201 may be considered for service above 600 °F (315 °C), where alloy 200 with higher carbon content is not recommended.
Chemical Component
| Ni | C | Mn | S | Si | Cu | Fe |
|---|---|---|---|---|---|---|
| 99.0% min | 0.02% max | 0.35% max | 0.01% max | 0.35% max | 0.25% max | 0.40% max |
Basic Information
| Items | Nickel 201 |
|---|---|
| Catalog | ACMA-Ni-A032 |
| Density | 8.90 g/cm3 (0.322 lb/in3) |
| Specific Heat | 440 J/kg K |
| Electrical Resistivity | 8.5 micro-ohms/cm |
| Curie Temperature | 358 °C |
| Melting Range | 1435-1445 °C |
Material Forms
Alfa Chemistry offers Nickel 201 in a variety of forms, including:
- Bar
- Wire
- Sheet
- Plate
- Fitting
- Forgings
- Weld wire
- Weld electrode
Mechanical Properties
- High temperature mechanical properties of annealed Nickel 201
| Temperature,°F | Tensile Strength, PSI | Yield Strength, PSI | Elongation, % | Reduction of Area, % |
|---|---|---|---|---|
| Room | 58500 | 15000 | 50 | 73 |
| 200 | 56100 | 15400 | 45 | 74 |
| 400 | 54000 | 14800 | 44 | 72 |
| 600 | 52500 | 15300 | 42 | 72 |
| 800 | 41200 | 13500 | 58 | 80 |
| 1000 | 33100 | 12100 | 60 | 84 |
| 1200 | 22200 | 10200 | 74 | 90 |
Specifications
Bar: ASTM B160, Din 17752, BS 3076
Fitting: B366
Sheet, Plate : ASTM B162, Din 17750, BS 3072
Forging: ASTM B564, Din 17754
Applications
Nickel 201 can be used in a variety of applications, including:
- Lead wires
- Transducers
- Sparking electrodes
- Heat exchangers
- Implantable battery anode/connector tabs for CRM and neurostimulation devices
- Battery components
- Stamped or etched fabrications
- Production of viscose rayon
- Reactors and vessels in which fluorine is generated and reacted with hydrocarbons.
* Technical data included herein should be used as a guideline only, and should not be construed as maximum or minimum values for specification or for final design, or for a particular use or application. The data may be revised anytime without notice.
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