Komposisi Kimia dina%, Invar
| merek | Komposisi kimiawi | |||||||||
| Ni | Cr | Fe | C | P | Mn | B | Al | Si | S | |
| ≤ | ||||||||||
| 4j6 | 41.5~42.5 | 5.4~6.3 | Bal | 0.05 | 0.02 | 0.25 | - | 0.2 | 0.3 | 0.02 |
| 4j47 | 46.8~47.8 | 0.8~1.4 | Bal | 0.05 | 0.02 | 0.40 | - | - | 0.3 | 0.02 |
| 4j49 | 46.0~48.0 | 5.0~6.0 | Bal | 0.05 | 0.02 | 0.40 | 0.02 | - | 0.3 | 0.02 |
Konstanta fisik dasar sareng sipat mékanis tina alloy:
| merek | Dénsitas g / cm3 | résistansi | Punten curie |
| 4j6 | 8.15 | 0.92 | 270 |
| 4j47 | 8.19 | 0.55 | 400 |
| 4j49 | 8.18 | 0.90 | 340 |
| Karakter ékspansi has (10 -6 / ºC) | ||||||||
| Rentang suhu | 20~100 | 20~200 | 20~300 | 20~400 | 20~500 | 20~400 | 20~550 | 20~600 |
| Koéfisién ékspansi | 6.8 | 7.0 | 7.7 | 9.7 | 11.7 | 3.2 | 11.7 | 12.2 |
| rupa-rupa | Jenis baja spésifikasi | Precision alloy | Résistansi Alloys pikeun pemanasan listrik | Super alloy | Kawat las | Tahan korosi alloy | |
| Batang | rod rolling panas | Φ8~38mm | sadia | sadia | sadia | ||
| Tiis-ditarik rod | ≤50mm | sadia | sadia | sadia | |||
| Batang palsu | Φ38~350mm | sadia | sadia | sadia | |||
| Kawat | Kawat buleud | Φ0.3~8mm | sadia | sadia | sadia | sadia | sadia |
| Kawat non-bunderan | Rundingan | sadia | sadia | sadia | |||
| Strips | Tiis ngagugulung | 0.15~4×200mm | sadia | sadia | sadia | sadia | |
| Panas ngagugulung | 4~22×200mm | sadia | sadia | sadia | sadia | ||
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