Takulandilani kumasamba athu!
cr20ni30 waya wamagetsi wamagetsi opangira chitofu chamagetsi chotenthetsera masika
kutenthetsa waya wa cr20ni30 wamagetsi oletsa chitofu chamagetsi
Katundu Wambiri Waya Wokana Kutentha
| Mtundu | Mtengo wa Cr20Ni80 | Mtengo wa Cr15Ni60 | Mtengo wa Cr30Ni70 | Mtengo wa Cr20Ni35 | Cr20Ni30 | |
| Main mankhwala zikuchokera | Ni | Mpumulo | 55.0 ~ 61.0 | Mpumulo | 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 | Mpumulo | ≤1 | Mpumulo | Mpumulo | |
| Kutentha Kwambiri(℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
| Resistance Temperature correction coefficient.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
| Malo osungunuka (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
| Resistivityρ20℃(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 | ||||
| Mtengo wa moyo wofulumira | Nthawi (℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
| ola (h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
| Kukoka kwapadera (g/cm3) | 8.4 | 8.2 | 8.1 | 7.9 | 7.9 | |
| Kutalikira (%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
| Kutentha (kj/mh℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
| Kutentha kwina(20 ℃)j/g.℃ | 0.44 | 0.494 | 0.461 | 0.5 | 0.5 | |
| Wonjezerani mphamvu (20 ~ 1000 ℃) α * 10-6 ℃ | 18 | 17 | 17.1 | 19 | 19 | |
| Kulimba kwamphamvu (kg/mm2) | > 85 | > 85 | > 85 | > 85 | > 85 | |
| Kupinda mobwerezabwereza (F/R) | > 12 | > 12 | > 12 | > 12 | > 12 | |
| Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic | |
| Diameter(mm) | kulolerana (mm) | Diameter(mm) | kulolerana (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 |
| Makulidwe (mm) | kulolerana (mm) | M'lifupi(mm) | kulolerana (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 |
Lembani uthenga wanu apa ndikutumiza kwa ife
