Heatseal 29 (For Springs)
A Nickel-Iron-Cobalt alloy having a controlled expansion coefficient. Its expansion with temperature rise is less than that of 80/20 NiCr. It can be used for any TSMC spring product such as wave springs, retaining rings and compression springs.
Nickel-Iron-Cobalt Base Wire for wire springs, flat springs and wire products
Key Features
- Having low expansion as it’s temperature increases makes it an ideal heating element wire for heat sealing (plastic bag welding) over a long straight length.
Typical Applications
Heat sealing (plastic bag welding) long lengths of plastic bags where low expansion of the wire is important to ensure straightness of the weld. Examples include heat sealing plastic bags for bed mattress’s.
Approx. Operating Temperature
Chemical Composition
| Element | Ni | Cr | Fe | Mn | C | Cu | Si | Co | Ti | Al | Mo | Mg | Zr |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min % | 29.00 nominal | – | 53.00 nominal | – | – | – | – | 17.00 nominal | – | – | – | – | – |
| Max % | – | 0.20 | – | 0.50 | 0.04 | 0.20 | 0.20 | – | 0.10 | 0.10 | 0.20 | 0.10 | 0.10 |
Wire Type
- Round
- Flat Wire
- Rope/Strand
Designations
- AWS 094
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