Sinadarin Sinadari a cikin %, Invar
| alamar kasuwanci | Sinadarin sinadarai | |||||||||
| Ni | Cr | Fe | C | P | Mn | B | Al | Si | S | |
| ≤ | ||||||||||
| 4j6 | 41.5~42.5 | 5.4~0~6.3 | Bal | 0.05 | 0.02 | 0.25 | - | 0.2 | 0.3 | 0.02 |
| 4j47 | 46.8~47.8 | 0.8~1.4 | Bal | 0.05 | 0.02 | 0.40 | - | - | 0.3 | 0.02 |
| 47HXP | 46.0~48.0 | 5.0~6.0 | Bal | 0.05 | 0.02 | 0.40 | 0.02 | - | 0.3 | 0.02 |
Mahimman abubuwan da ke cikin jiki da kuma halayen injiniya na ƙarfe:
| alamar kasuwanci | Yawan g / cm3 | juriya | Ma'anar Curie |
| 4j6 | 8.15 | 0.92 | 270 |
| 4j47 | 8.19 | 0.55 | 400 |
| 47HXP | 8.18 | 0.90 | 340 |
ma'aunin faɗaɗa layi
| Tsarin faɗaɗawa na yau da kullun (10 -6 / ºC) | |||||||
| Matsakaicin zafin jiki | 20~100 | 20~200 | 20~300 | 20~400 | 20~500 | 20~550 | 20~600 |
| Faɗaɗa ma'aunin | 9.0 | 9.0 | 8.9 | 9.6 | 10.9 | 11.4 | 111.8 |
| Nau'o'i | Nau'in KarfeBayani mm | Daidaito gami | Alloys masu juriya don dumama wutar lantarki | Babban ƙarfe | Wayar walda | Mai jure lalata gami | |
| Sanduna | sandunan birgima masu zafi | Φ8~38mm | akwai | akwai | akwai | ||
| Sandunan da aka ja da sanyi | ≤50mm | akwai | akwai | akwai | |||
| Sandunan da aka ƙirƙira | Φ38~350mm | akwai | akwai | akwai | |||
| Wayoyi | Wayoyi masu zagaye | Φ0.3 ~ 8mm | akwai | akwai | akwai | akwai | akwai |
| Wayoyi marasa da'ira | Tattaunawa | akwai | akwai | akwai | |||
| Rigunan | Mirgina cikin sanyi | 0.15~4×200mm | akwai | akwai | akwai | akwai | |
| Mirgina mai zafi | 4 ~ 22 × 200mm | akwai | akwai | akwai | akwai | ||
| Faranti | Mirgina cikin sanyi | 0.5 ~ 4 × 1000 × 2000mm | akwai | akwai | akwai | ||
| Mirgina mai zafi | 4 ~ 22 × 1000 × 2000mm | akwai | akwai | akwai | |||
| bututu | Φ4~63×0.5~5mm | akwai | akwai | ||||
| Matsayin zartarwa: GB, GJB, HB, YB, ASTM, AMSE, tattaunawa da sauransu. | |||||||
FeNiCr gami ne da aka rufe da gilashi a sashen FeNiCr a madadin alamar. Ana amfani da ƙarfen rukuni ta hanyar amfani da masana'antar iska na dogon lokaci, kuma yana aiki mai kyau. Ana amfani da shi galibi don yin duk nau'ikan kayan aikin injin lantarki, kamar murfin bututun lantarki, da sauransu. Ya kamata a zaɓi shi yayin amfani da daidaitaccen ma'aunin faɗaɗa gilashi da ƙarfe. Domin inganta ƙarfin rufe ƙarfe da gilashi yana ba da damar ƙarfe da ke ɗauke da aluminum, cerium. Lokacin da maganin zafi, girman hatsi ya yi girma sosai, ya kamata a guji shi don tabbatar da cewa tsiri yana da kyakkyawan aikin faɗaɗa zane mai zurfi da matse iska.
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