Aloi ya Fe-Cr-Al yenye uwezo wa juu wa kustahimili uwezo na halijoto ya kuhudumia kuliko ile ya aloi ya NiCr na pia ina bei ya chini.
Maombi
Ukanda wa kupinga umeme wa Iron-chrome-aluminium hutumiwa sana kwa kutengeneza vipengele vya kupokanzwa vya umeme katika vifaa vya nyumbani na tanuu za viwandani. Utumizi wa kawaida ni pasi bapa, mashine za kuainishia pasi, hita za maji, ukingo wa plastiki hufa, pasi za kutengenezea chuma, vipengee vya tubula vya chuma na vitu vya cartridge.
Eneo la maombi
Bidhaa zetu hutumiwa sana katika vifaa vya matibabu ya joto, sehemu za magari, utengenezaji wa chuma na chuma,
tasnia ya alumini, vifaa vya metallurgiska, vifaa vya petrochemical, mashine za glasi, mashine za kauri,
mashine za chakula, mashine za dawa, na tasnia ya uhandisi wa nguvu.
Maudhui ya Kemikali,%
Nyenzo za aloi | Muundo wa kemikali % | |||||||||
C | P | S | Mn | Si | Cr | Ni | Al | Fe | wengine | |
upeo(≤) | ||||||||||
1Cr13Al4 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 12.5-15.0 | - | 3.5-4.5 | Pumzika | - |
0Cr15Al5 | 0.12 | 0.025 | 0.025 | 0.7 | ≤1.00 | 14.5-15.5 | - | 4.5-5.3 | Pumzika | - |
0Cr25Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 23.0-26.0 | ≤0.60 | 4.5-6.5 | Pumzika | - |
0Cr23Al5 | 0.06 | 0.025 | 0.025 | 0.7 | ≤0.60 | 20.5-23.5 | ≤0.60 | 4.2-5.3 | Pumzika | - |
0Cr21Al6 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 19.0-22.0 | ≤0.60 | 5.0-7.0 | Pumzika | - |
0Cr19Al3 | 0.06 | 0.025 | 0.025 | 0.7 | ≤1.00 | 18.0-21.0 | ≤0.60 | 3.0-4.2 | Pumzika | - |
0Cr21Al6Nb | 0.05 | 0.025 | 0.025 | 0.7 | ≤0.60 | 21.0-23.0 | ≤0.60 | 5.0-7.0 | Pumzika | Nb kuongeza0.5 |
0Cr27Al7Mo2 | 0.05 | 0.025 | 0.025 | 0.2 | ≤0.40 | 26.5-27.8 | ≤0.60 | 6.0-7.0 | Pumzika |
Tabia kuu za kiufundi za Aloi ya FeCrAl:
Chapa Mali | 1Cr13Al4 | 1Cr21Al4 | 0Cr21Al6 | 0Cr23Al5 | 0Cr25Al5 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
Kipengele kikuu cha kemikali | Cr | 12.0-12.5 | 17.0-21.0 | 19.0-22.0 | 20.5-23.5 | 23.0-26.0 | 21.0-23.0 | 26.5-27.8 |
Al | 4.0-6.0 | 2.0-4.0 | 5.0-7.0 | 4.2-5.3 | 4.5-6.5 | 5.0-7.0 | 6.0-7.0 | |
Fe | Mizani | Mizani | Mizani | Mizani | Mizani | Mizani | Mizani | |
Re | Inafaa | Inafaa | Inafaa | Inafaa | Inafaa | Inafaa | Inafaa | |
Nyongeza Nb:0.5 | Nyongeza Mo:1.8-2.2 | |||||||
Upeo wa kipengele. tumia joto | 950 | 1100 | 1250 | 1250 | 1250 | 1350 | 1400 | |
Kiwango Myeyuko | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1510 | |
Uzito g/cm3 | 7.40 | 7.35 | 7.16 | 7.25 | 7.10 | 7.10 | 7.10 | |
Ustahimilivu μΩ·m,20 | 1.25±0.08 | 1.23±0.06 | 1.42±0.07 | 1.35±0.06 | 1.45±0.07 | 1.45±0.07 | 1.53±0.07 | |
Tensile Strength Mpa | 588-735 | 637-784 | 637-784 | 637-784 | 637-784 | 637-784 | 684-784 | |
Kiwango cha upanuzi% | 16 | 12 | 12 | 12 | 12 | 10 | ||
Mzunguko wa kuinama unaorudiwa | 5 | 5 | 5 | 5 | 5 | |||
Kuinua haraka h/ | - | 80/1300 | 80/1300 | 50/1350 | ||||
Joto Maalum J/g. | 0.490 | 0.490 | 0.520 | 0.460 | 0.494 | 0.494 | 0.494 | |
Mgawo wa Uendeshaji wa Joto KJ/Mh | 52.7 | 46.9 | 63.2 | 60.1 | 46.1 | 46.1 | 45.2 | |
Mgawo wa upanuzi wa mstari aX10-6/ (20-1000) | 15.4 | 13.5 | 14.7 | 15.0 | 16.0 | 16.0 | 16.0 | |
Ugumu HB | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
Muundo mdogo | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | Ferritic | |
Sumaku | Sumaku | Sumaku | Sumaku | Sumaku | Sumaku | Sumaku | Sumaku |