Komposisi Kimia dina %, Invar
| merek | Komposisi kimia | |||||||||
| 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 paduan:
| merek | Kapadetan g / cm3 | résistansivitas | Titik 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 |
| Koefisien ékspansi | 6.8 | 7.0 | 7.7 | 9.7 | 11.7 | 3.2 | 11.7 | 12.2 |
| Rupa-rupa | Jenis baja Spésifikasi | Presisi logam campuran | Paduan Résistansi pikeun pemanasan listrik | Paduan super | Kawat las | Tahan korosi logam campuran | |
| Batang | batang gulung panas | Φ8 ~ 38mm | sayogi | sayogi | sayogi | ||
| Batang anu ditarik tiis | ≤50mm | sayogi | sayogi | sayogi | |||
| Batang anu ditempa | Φ38 ~ 350mm | sayogi | sayogi | sayogi | |||
| Kawat | Kawat buleud | Φ0.3 ~ 8mm | sayogi | sayogi | sayogi | sayogi | sayogi |
| Kawat anu henteu bunderan | Negosiasi | sayogi | sayogi | sayogi | |||
| Strips | Ngagulung tiis | 0,15 ~ 4 × 200mm | sayogi | sayogi | sayogi | sayogi | |
| Gulungan panas | 4 ~ 22 × 200mm | sayogi | sayogi | sayogi | sayogi | ||
150 0000 2421