Veb-saytlarimizga xush kelibsiz!
Elektr pechka prujinali isitish bobini uchun cr20ni30 elektr qarshilik simi
Elektr pechkasi uchun isitish cr20ni30 elektr qarshilik simi
Isitish qarshilik simining asosiy xususiyati
| Turi | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
| Asosiy kimyoviy tarkibi | Ni | Dam olish | 55.0~61.0 | Dam olish | 34.0~37.0 | 30.0~34.0 |
| Cr | 20.0~23.0 | 15.0~18.0 | 28.0~31.0 | 18.0~21.0 | 18.0~21.0 | |
| Fe | ≤1 | Dam olish | ≤1 | Dam olish | Dam olish | |
| Maksimal harorat (℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Qarshilik haroratini tuzatish koeffitsienti (CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
| Erish nuqtasi (℃) | 1400 | 1390-yil | 1380-yil | 1390-yil | 1390-yil | |
| Qarshilik ρ20℃ (10-6Ω.m) | 800℃ | 1.008 | 1.078 | 1.028 | 1.188 | 1.173 |
| 1000℃ | 1.014 | 1.095 | 1.033 | 1.219 | 1.201 | |
| 1200℃ | 1.025 | 1.043 | ||||
| Tez hayot qiymati | Harorat (℃) | 1175-yil | 1100 | 1200 | 1050 | 1050 |
| soat(soat) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| O'ziga xos tortishish kuchi (g/sm3) | 8.4 | 8.2 | 8.1 | 7.9 | 7.9 | |
| Uzayish (%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
| Termal (kj/mh℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Maxsus issiqlik (20℃)j/g.℃ | 0.44 | 0.494 | 0.461 | 0,5 | 0,5 | |
| Uzaytirish kuchi (20 ~ 1000℃)α * 10-6℃ | 18 | 17 | 17.1 | 19 | 19 | |
| Cho'zilish kuchi (kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
| Qayta-qayta egilish (F/R) | >12 | >12 | >12 | >12 | >12 | |
| Mikrotuzilma | Ostenitik | Ostenitik | Ostenitik | Ostenitik | Ostenitik | |
| Diametri (mm) | Bardoshlik (mm) | Diametri (mm) | Bardoshlik (mm) |
| 0.03-0.05 | ±0,005 | >0.50-1.00 | ±0.02 |
| >0.05-0.10 | ±0,006 | >1.00-3.00 | ±0.03 |
| >0.10-0.20 | ±0,008 | >3.00-6.00 | ±0,04 |
| >0.20-0.30 | ±0,010 | >6.00-8.00 | ±0,05 |
| >0.30-0.50 | ±0,015 | >8.00-12.0 | ±0.4 |
| Qalinligi (mm) | Bardoshlik (mm) | Kengligi (mm) | Bardoshlik (mm) |
| 0.05-0.10 | ±0,010 | 5.00-10.0 | ±0.2 |
| >0.10-0.20 | ±0,015 | >10.0-20.0 | ±0.2 |
| >0.20-0.50 | ±0,020 | >20.0-30.0 | ±0.2 |
| >0.50-1.00 | ±0,030 | >30.0-50.0 | ±0.3 |
| >1.00-1.80 | ±0,040 | >50.0-90.0 | ±0.3 |
| >1.80-2.50 | ±0,050 | >90.0-120.0 | ±0.5 |
| >2.50-3.50 | ±0,060 | >120.0-250.0 | ±0.6 |
Xabaringizni shu yerga yozing va bizga yuboring
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