NiCr qotishmasiga qaraganda yuqori qarshilik va xizmat ko'rsatish haroratiga ega Fe-Cr-Al qotishmasi, shuningdek, pastroq narxga ega.
Ilovalar
Temir-xrom-alyuminiy elektr rezistorli lenta maishiy texnika va sanoat pechlarida elektr isitish elementlarini tayyorlash uchun keng qo'llaniladi. Odatda dazmollar, dazmollash mashinalari, suv isitgichlari, plastik qoliplash qoliplari, lehimlash dazmollari, metall qoplamali quvurli elementlar va kartrij elementlari qo'llaniladi.
Qo'llanilish sohasi
Mahsulotlarimiz issiqlik bilan ishlov berish uskunalari, avtomobil qismlari, temir va po'lat ishlab chiqarishda keng qo'llaniladi,
alyuminiy sanoati, metallurgiya uskunalari, neft-kimyo uskunalari, shisha mashinalari, keramika mashinalari,
oziq-ovqat mashinalari, farmatsevtika mashinalari va energetika sanoati.
Kimyoviy tarkibi, %
| Qotishma materiali | Kimyoviy tarkibi % | |||||||||
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | boshqalar | |
| maksimal(≤) | ||||||||||
| 1Cr13Al4 | 0.12 | 0,025 | 0,025 | 0.7 | ≤1.00 | 12.5-15.0 | - | 3.5-4.5 | Dam olish | - |
| 0Cr15Al5 | 0.12 | 0,025 | 0,025 | 0.7 | ≤1.00 | 14.5-15.5 | - | 4.5-5.3 | Dam olish | - |
| 0Cr25Al5 | 0.06 | 0,025 | 0,025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Dam olish | - |
| 0Cr23Al5 | 0.06 | 0,025 | 0,025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | Dam olish | - |
| 0Cr21Al6 | 0.06 | 0,025 | 0,025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | Dam olish | - |
| 0Cr19Al3 | 0.06 | 0,025 | 0,025 | 0.7 | ≤1.00 | 18.0-21.0 | ≤0.60 | 3.0-4.2 | Dam olish | - |
| 0Cr21Al6Nb | 0,05 | 0,025 | 0,025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | Dam olish | Nb qo'shimchasi 0.5 |
| 0Cr27Al7Mo2 | 0,05 | 0,025 | 0,025 | 0.2 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | Dam olish | |
FeCrAl qotishmasining asosiy texnik xususiyatlari:
| Brend Mulk | 1Cr13Al4 | 1Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Asosiy kimyoviy tarkibiy qism% | Cr | 12.0-12.5 | 17.0-21.0 | 19.0-22.0 | 20.5-23.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 2.0-4.0 | 5.0-7.0 | 4.2-5.3 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 | |
| Fe | Balans | Balans | Balans | Balans | Balans | Balans | Balans | |
| Re | Tegishli | Tegishli | Tegishli | Tegishli | Tegishli | Tegishli | Tegishli | |
| Qo'shimcha Nb: 0.5 | Qo'shimcha Dushanba: 1.8-2.2 | |||||||
| Komponentning maksimal foydalanish harorati | 950 | 1100 | 1250 | 1250 | 1250 | 1350-yil | 1400 | |
| Erish nuqtasi | 1450-yil | 1500 | 1500 | 1500 | 1500 | 1510-yil | 1510-yil | |
| Zichlik g/sm3 | 7.40 | 7.35 | 7.16 | 7.25 | 7.10 | 7.10 | 7.10 | |
| Qarshilik μΩ·m,20 | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.35±0.06 | 1.45±0.07 | 1.45±0.07 | 1.53±0.07 | |
| Uzatilish kuchi Mpa | 588-735 | 637-784 | 637-784 | 637-784 | 637-784 | 637-784 | 684-784 | |
| Kengaytirish darajasi% | 16 | 12 | 12 | 12 | 12 | 10 | ||
| Takroriy bükme chastotasi | 5 | 5 | 5 | 5 | 5 | |||
| Tez ko'tarish h/ | - | 80/1300 | 80/1300 | 50/1350 | ||||
| Solishtirma issiqlik J/g. | 0.490 | 0.490 | 0,520 | 0.460 | 0.494 | 0.494 | 0.494 | |
| Issiqlik o'tkazuvchanlik koeffitsienti KJ/Mh | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 | |
| Chiziqli kengayish koeffitsienti aX10-6/ (20-1000) | 15.4 | 13.5 | 14.7 | 15.0 | 16.0 | 16.0 | 16.0 | |
| Qattiqlik HB | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Mikrotuzilma | Ferritik | Ferritik | Ferritik | Ferritik | Ferritik | Ferritik | Ferritik | |
| Magnit | Magnit | Magnit | Magnit | Magnit | Magnit | Magnit | Magnit | |
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