SWG16 0Cr21Al4 / 0Cr19Al3 najasli qotishma qayta chizish uchun isitish simi
Nikel xrom qotishmalaridan, nikel xrom temir qotishmalaridan, temir xrom alyuminiy qotishmalaridan, mis nikel qotishmalaridan tayyorlangan qarshilik simlari.
Asosan isitgich, isitish elementi va rezistor va boshqalarda ishlatiladi.
NiCr 80/20, NiCr 70/30, NiCr 60/15, NiCr 35/20
CrAl 15-5, CrAl 20-5, CrAl 25-5 va boshqalar…
Constantan, qotishma 30, qotishma 60, qotishma 90 va boshqalar.
Elektr qarshiligi 0,02 u ohm/m dan 1,53 u ohm/m gacha
Ishlash harorati 200 C dan 1400 C gacha
Agar biron bir savol bo'lsa, iltimos, biz bilan bog'laning.
NiCr:
RESISTOHM 20, RESISTOHM 30, RESISTOHM 40, RESISTOHM 60, RESISTOHM 70, RESISTOHM 80
FeCrAl:
RESISTOHM 125, RESISTOHM 135, RESISTOHM 140,
RESISTOHM 145, RESISTOHM 153
CuNi
Constantan, Cuprothal 5, Cuprothal 10, Cuprothal 15, Cuprothal 30, Eurica
| FeCrAl qotishma darajasi | Kimyoviy tarkibi % | |||||||||
| C | P | S | Mn | Si | Cr | Ni | Al | Fe | Re | Boshqalar |
| maksimal(≤) | ||||||||||
| 1Cr13Al4 | 0.12 | 0,025 | 0,025 | 0.7 | ≤1.00 | 12.5-15.0 | —- | 3.5-4.5 | 0.1 | Bal. |
| 0Cr15Al5 | 0.12 | 0,025 | 0,025 | 0.7 | ≤1.00 | 14.5-15.5 | —- | 4.5-5.3 | 0.1 | Bal. |
| 0Cr25Al5 | 0.06 | 0,025 | 0,025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | 0.1 | Bal. |
| 0Cr23Al5 | 0.06 | 0,025 | 0,025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | 0.1 | Bal. |
| 0Cr21Al6 | 0.06 | 0,025 | 0,025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | 0.1 | Bal. |
| 0Cr21Al4 | 0.06 | 0,025 | 0,025 | 0.7 | ≤1.00 | 21.0-23.0 | ≤0.60 | 3.0-5.2 | 0.1 | Bal. |
| 0Cr21Al6Nb | 0,05 | 0,025 | 0,025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | 0.1 | Bal. |
| 0Cr27Al7Mo2 | 0,05 | 0,025 | 0,025 | 0.7 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | 0.1 | Bal. |
Kimyoviy tarkibi va xususiyatlari:
| Xususiyatlar/darajasi | NiCr 80/20 | NiCr 70/30 | NiCr 60/15 | NiCr 35/20 | NiCr 30/20 | |
| Asosiy kimyoviy tarkibi (%) | Ni | Bal. | Bal. | 55.0-61.0 | 34.0-37.0 | 30.0-34.0 |
| Cr | 20.0-23.0 | 28.0-31.0 | 15.0-18.0 | 18.0-21.0 | 18.0-21.0 | |
| Fe | ≤ 1.0 | ≤ 1.0 | Bal. | Bal. | Bal. | |
| Maksimal ish harorati (ºC) | 1200 | 1250 | 1150 | 1100 | 1100 | |
| 20ºC da qarshilik (μ Ω · m) | 1.09 | 1.18 | 1.12 | 1.04 | 1.04 | |
| Zichlik (g/sm3) | 8.4 | 8.1 | 8.2 | 7.9 | 7.9 | |
| Issiqlik o'tkazuvchanligi (KJ/m· h· ºC) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Issiqlik kengayish koeffitsienti (α × 10-6/ºC) | 18 | 17 | 17 | 19 | 19 | |
| Erish nuqtasi (ºC) | 1400 | 1380-yil | 1390-yil | 1390-yil | 1390-yil | |
| Uzayish (%) | > 20 | > 20 | > 20 | > 20 | > 20 | |
| Mikrografik tuzilish | ostenit | ostenit | ostenit | ostenit | ostenit | |
| Magnit xususiyati | magnit bo'lmagan | magnit bo'lmagan | magnit bo'lmagan | magnit bo'lmagan | magnit bo'lmagan | |
| CuNi qotishmalari darajasi | Elektr qarshiligi (20 daraja Ω mm² /m) | qarshilikning harorat koeffitsienti (10^6/daraja) | Zichlik g/mm² | Maksimal harorat (daraja) | Erish nuqtasi (daraja) |
| CuNi1 | 0.03 | < 1000 | 8.9 | 200 | 1085 |
| CuNi2 | 0,05 | <1200 | 8.9 | 200 | 1090 |
| CuNi6 | 0.10 | <600 | 8.9 | 220 | 1095 |
| CuNi8 | 0.12 | <570 | 8.9 | 250 | 1097 |
| CuNi10 | 0.15 | <500 | 8.9 | 250 | 1100 |
| CuNi14 | 0.20 | <380 | 8.9 | 300 | 1115 |
| CuNi19 | 0,25 | <250 | 8.9 | 300 | 1135 |
| CuNi22 | 0.30 | <160 | 8.9 | 300 | 1150 |
| CuNi30 | 0,35 | <100 | 8.9 | 350 | 1170-yil |
| CuNi34 | 0.40 | -0 | 8.9 | 350 | 1180 |
| CuNi40 | 0.48 | ± 40 | 8.9 | 400 | 1280 |
| CuNi44 | 0.50 | < -6 | 8.9 | 400 | 1280 |
150 0000 2421