Alkrothal 720 JR laharana 1ho an'ny resistor frein
Ny fampiasana mahazatra ny Alkrothal 720 dia amin'ny rheostats, frein resistors, sns. Ampiasaina ho singa fanafanana elektrika amin'ny fampiharana indostrialy ihany koa izy io.
Alkrothal 720 dia firaka vy-krôma-aluminium ferritika (firaka FeCrAl) azo ampiasaina amin'ny mari-pana hatramin'ny 1000°C (1830°F).
Famakafakana Nominaly
| Cr | Al | Fe |
| 12.0~15.0 | 4.0~6.0 | Mila mahay mandanjalanja |
Toetra mekanika
| Mari-pana ambony indrindra amin'ny serivisy mitohy: Resisivity 20ºC: Hakitroky: Fitondran-tena mafana: Koefficientan'ny Fitomboana Mafana: Teboka mitsonika: Fanalavana: Rafitra mikrôgrafika: Toetra andriamby: | 950ºC 1.25ohm mm2/m 7.40g/sm3 52.7 KJ/m·h·ºC 15.4×10-6/ºC (20ºC~1000ºC) 1450ºC Farafahakeliny 16% Ferita andriamby |
Habe: Hatevina 0.01-7mm, sakany 0.5-1000mm
Ety ivelany: BA, 2B
Hamafin'ny: Malemy, Antsasany mafy, mafy
Efa nampiasaina betsaka ho toy ny singa frein resisor mahery vaika sy singa fanafanana lafaoro.
Tsy dia mafana loatra noho ny firaka Tophet ny heriny saingy avo kokoa ny teboka fandrendrehana.
Shanghai TANKII ALLOY MATERIAL Co., Ltd.
MPAMORONA FIARA FECRAL SY ALCROME ANY SINA, MATSIRO INDRINDRA ERAN-TANY
Mamokatra ireo karazana manaraka ireto ihany koa izahay:
0Cr15Al5 sy 0Cr19Al3, sns.
| Firafitra simika sy toetra fototra amin'ny firaka fanoherana Fe-Cr-Al | ||||||||
| Kilasy fananana | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| Firafitra simika fototra (%) | Cr | 12.0-15.0 | 23.0-26.0 | 19.0-22.0 | 22.5-24.5 | 18.0-21.0 | 21.0-23.0 | 26.5-27.8 |
| Al | 4.0-6.0 | 4.5-6.5 | 5.0-7.0 | 4.2-5.0 | 3.0-4.2 | 5.0-7.0 | 6.0-7.0 | |
| Re | manararaotra | manararaotra | manararaotra | manararaotra | manararaotra | manararaotra | manararaotra | |
| Fe | Bala. | Bala. | Bala. | Bala. | Bala. | Bala. | Bala. | |
| Nb0.5 | Mo1.8-2.2 | |||||||
| Temperature Serivisy Mitohy Ambony indrindra (oC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Resisivity 20oC (Ωmm2/m) | 1.25 ±0.08 | 1.42 ±0.06 | 1.42 ±0.07 | 1.35 ±0.07 | 1.23 ±0.07 | 1.45 ±0.07 | 1.53 ±0.07 | |
| Hakitroky (g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
| Fitondran-tena mafana | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
| (KJ/m@h@oC) | ||||||||
| Koefisienan'ny Fitomboana Mafana (α×10-6/oC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
| Teboka fandrendrehana tombanana (oC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Tanjaky ny fihenjanana (N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
| Fanalavana (%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
| Fiovaovan'ny fizarana | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Tahan'ny fihenana (%) | ||||||||
| Fatran'ny fihodinana miverimberina (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
| Hamafin'ny (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Fotoana fanompoana mitohy | no | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
| Rafitra mikrôgrafika | Ferita | Ferita | Ferita | Ferita | Ferita | Ferita | Ferita | |
| Toetra andriamby | andriamby | andriamby | andriamby | andriamby | andriamby | andriamby | andriamby | |



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