germkirina cr20ni30 têl berxwedana elektrîkê ji bo sobeya elektrîkê
Taybetmendiya sereke ya têl berxwedana germkirinê
Awa | Cr20Ni80 | Cr15Ni60 | Cr30Ni70 | Cr20Ni35 | Cr20Ni30 | |
Kompozîsyona kîmyewî ya sereke | Ni | Rehetî | 55,0~61,0 | Rehetî | 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 | Rehetî | ≤1 | Rehetî | Rehetî | |
Germahiya herî zêde (℃) | 1200 | 1150 | 1250 | 1100 | 1100 | |
Rêjeya rastkirina germahiya berxwedanê.(CT) | 1,09±0,05 | 1,11±0,05 | 1,18±0,05 | 1,04±0,05 | 1,06±0,05 | |
Xala helînê (℃) | 1400 | 1390 | 1380 | 1390 | 1390 | |
Berxwedanîρ20℃(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 | ||||
Nirxa jiyanê ya bilez | Tem.(℃) | 1175 | 1100 | 1200 | 1050 | 1050 |
saet (h) | ≥110 | ≥100 | ≥110 | ≥100 | ≥100 | |
Giraniya taybetî (g/cm3) | 8.4 | 8.2 | 8.1 | 7.9 | 7.9 | |
Dirêjbûn(%) | ≥25 | ≥25 | ≥20 | ≥20 | ≥20 | |
Termal (kj/mh℃) | 60.3 | 45.2 | 45.2 | 43.8 | 43.8 | |
Germiya taybetî (20℃)j/g.℃ | 0.44 | 0.494 | 0.461 | 0.5 | 0.5 | |
Hêza dirêj bike (20~1000℃)α*10-6℃ | 18 | 17 | 17.1 | 19 | 19 | |
Hêza vekêşandinê (kg/mm2) | >85 | >85 | >85 | >85 | >85 | |
Çêkirina dubare (F/R) | >12 | >12 | >12 | >12 | >12 | |
Microstructure | Austenitic | Austenitic | Austenitic | Austenitic | Austenitic |
Dirêj (mm) | Tolerans (mm) | Dirêj (mm) | Tolerans (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 |
Stûrahî (mm) | Tolerans (mm) | Firahî (mm) | Tolerans (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 |