Veb-saytlarimizga xush kelibsiz!
elektr pechka bahor isitish batareyasi uchun cr20ni30 elektr qarshilik simi
elektr pechka uchun isitish cr20ni30 elektr qarshilik sim
Isitish qarshiligi 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 Haroratni 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 | 1380 | 1390 | 1390 | |
| Qarshilik20℃(10-6Ō.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 | Vaqt (℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
| soat(soat) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| O'ziga xos tortishish (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 | |
| Kuchni kengaytiring (20 ~ 1000 ℃) a * 10-6 ℃ | 18 | 17 | 17.1 | 19 | 19 | |
| Kuchlanish kuchi (kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
| Takroriy egilish (F/R) | >12 | >12 | >12 | >12 | >12 | |
| Mikro tuzilma | Ostenitik | Ostenitik | Ostenitik | Ostenitik | Ostenitik | |
| Diametri (mm) | Tolerantlik (mm) | Diametri (mm) | Tolerantlik (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) | Tolerantlik (mm) | Kengligi (mm) | Tolerantlik (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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