ʻAlkrothal 720 Helu 1 JRno ke kū'ē paleki
ʻO nā noi maʻamau no Alkrothal 720 aia i loko o nā rheostats, nā resistors braking, a me nā mea ʻē aʻe. Hoʻohana ʻia nō hoʻi ia ma ke ʻano he mau mea hoʻomehana uila i nā noi ʻoihana.
ʻO Alkrothal 720 kahi hui hao-chromium-aluminium ferritic (hui FeCrAl) no ka hoʻohana ʻana i nā mahana a hiki i 1000°C (1830°F).
Ka Nānā Inoa
| Cr | Al | Fe |
| 12.0~15.0 | 4.0~6.0 | Kaulike |
Nā Waiwai Mekanika
| Ka Mahana Hana Hoʻomau Loa: Kū'ē 20ºC: Ka nui o ka paʻa: Ka Hoʻokele Wela: Ka helu o ka hoʻonui wela: Kiko Heheʻe: Hoʻolōʻihi: ʻAno Micrographic: Waiwai Makeneka: | 950ºC 1.25ohm mm2/m 7.40g/cm3 52.7 KJ/m·h·ºC 15.4×10-6/ºC (20ºC~1000ºC) 1450ºC Ka liʻiliʻi loa he 16% Ferrite makeneka |
Nui: Mānoanoa 0.01-7mm, laulā 0.5-1000mm
ʻIli: BA, 2B
Paʻakikī: Palupalu, Hapa paʻakikī, paʻakikī
Ua hoʻohana nui ʻia e like me ka resisor brake mana nui a me nā mea hoʻomehana umu.
ʻOi aku ka ikaika wela ma mua o nā hui Tophet akā ʻoi aku ka kiʻekiʻe o ke kiko heheʻe.
Shanghai TANKII ALLOY MATERIAL Co., Ltd.
KA MEA HANA ALLOY FECRAL A ME ALCROME MA Kina, KA MEA ʻOIHANA LOA MA KE AO NEI
Hoʻopuka pū mākou i nā papa ma lalo nei:
ʻO 0Cr15Al5 a me 0Cr19Al3, a pēlā aku.
| ʻO ka Hoʻohui Kemika a me ka Waiwai Nui o ka Fe-Cr-Al Resistance Alloy | ||||||||
| Papa Waiwai | 1Cr13Al4 | 0Cr25Al5 | 0Cr21Al6 | 0Cr23Al5 | 0Cr21Al4 | 0Cr21Al6Nb | 0Cr27Al7Mo2 | |
| ʻO ka Hoʻohui Kemika Nui (%) | 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 | kūpono | kūpono | kūpono | kūpono | kūpono | kūpono | kūpono | |
| Fe | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. | |
| Nb0.5 | Mo1.8-2.2 | |||||||
| Ka Mahana Hana Hoʻomau Loa (oC) | 950 | 1250 | 1250 | 1250 | 1100 | 1350 | 1400 | |
| Kū'ē 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 | |
| Ka nui (g/cm3) | 7.4 | 7.1 | 7.16 | 7.25 | 7.35 | 7.1 | 7.1 | |
| Ka Hoʻokele Wela | 52.7 | 46.1 | 63.2 | 60.2 | 46.9 | 46.1 | 45.2 | |
| (KJ/m@h@oC) | ||||||||
| Ka helu o ka hoʻonui wela (α × 10-6 / oC) | 15.4 | 16 | 14.7 | 15 | 13.5 | 16 | 16 | |
| Wahi Hoʻoheheʻe Kokoke (oC) | 1450 | 1500 | 1500 | 1500 | 1500 | 1510 | 1520 | |
| Ikaika Tensile (N/mm2) | 580-680 | 630-780 | 630-780 | 630-780 | 600-700 | 650-800 | 680-830 | |
| Hoʻolōʻihi (%) | >16 | >12 | >12 | >12 | >12 | >12 | >10 | |
| ʻOkoʻa ʻāpana | 65-75 | 60-75 | 65-75 | 65-75 | 65-75 | 65-75 | 65-75 | |
| Ka helu hoʻemi (%) | ||||||||
| Hoʻololi pinepine ʻia ke alapine (F/R) | >5 | >5 | >5 | >5 | >5 | >5 | >5 | |
| Paʻakikī (HB) | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | 200-260 | |
| Ka Manawa Hana Hoʻomau | no | ≥80/1300 | ≥80/1300 | ≥80/1300 | ≥80/1250 | ≥50/1350 | ≥50/1350 | |
| ʻAno Micrographic | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | Ferrite | |
| Waiwai Makeneka | Mākēneki | Mākēneki | Mākēneki | Mākēneki | Mākēneki | Mākēneki | Mākēneki | |



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