ukufudumeza i-cr20ni30 ucingo lokumelana nombane kwisitovu sombane
Ipropathi engundoqo yocingo lokumelana nokufudumeza
Uhlobo | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
Ukwakhiwa kweekhemikhali eziphambili | Ni | Phumla | 55.0~61.0 | Phumla | 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 | Phumla | ≤1 | Phumla | Phumla | |
Ubushushu obuninzi(℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
Ukumelana nobushushu bomlinganiso wolungiso.(CT) | 1.09±0.05 | 1.11±0.05 | 1.18±0.05 | 1.04±0.05 | 1.06±0.05 | |
Indawo yokunyibilika (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
Ukuxhathisaρ20℃(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 | ||||
Ixabiso lobomi obukhawulezayo | Temp.(℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
iyure(h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
Umxhuzulane okhethekileyo(g/cm3) | 8.4 | 8.2 | 8.1 | 7.9 | 7.9 | |
Ubude (%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
Thermal(kj/mh℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Ubushushu obuthile(20℃)j/g.℃ | 0.44 | 0.494 | 0.461 | 0.5 | 0.5 | |
Yandisa amandla(20~1000℃)α*10-6℃ | 18 | 17 | 17.1 | 19 | 19 | |
Amandla okuqina (kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
Ukugoba ngokuphindaphindiweyo(F/R) | >12 | >12 | >12 | >12 | >12 | |
Microstructure | I-Austenitic | I-Austenitic | I-Austenitic | I-Austenitic | I-Austenitic |
Ububanzi (mm) | Ukunyamezela(mm) | Ububanzi (mm) | Ukunyamezela(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 |
Ukutyeba(mm) | Ukunyamezela(mm) | Ububanzi(mm) | Ukunyamezela(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 |