Farantin bakin karfe 904wani nau'in ƙarfe ne na bakin ƙarfe mai ƙarancin sinadarin carbon da kuma haɗakar ƙarfe mai yawa wanda aka ƙera don muhalli masu tsananin tsatsa. Yana da juriyar tsatsa fiye da 316L da 317L, yayin da yake la'akari da farashi da aiki. Kyakkyawan ƙima ga kuɗi. Saboda ƙarin jan ƙarfe 1.5%, yana da juriyar tsatsa mai kyau ga rage acid kamar sulfuric acid da phosphoric acid. Hakanan yana da juriyar tsatsa mai kyau ga tsatsa mai wahala, tsatsa mai zurfi da tsatsa mai ƙofa da ions masu rikitarwa ke haifarwa, kuma yana da juriya mai kyau ga tsatsa mai tsaka-tsaki. A cikin tsattsarkar acid ɗin sulfuric acid a cikin kewayon taro na 0-98%, zafin sabis na farantin ƙarfe 904L na iya kaiwa digiri 40 na Fahrenheit.
A cikin tsantsar acid a cikin kewayon yawan 0-85%, juriyar tsatsa tana da kyau sosai. A cikin masana'antar phosphoric acid da aka samar ta hanyar danshi, ƙazanta suna da tasiri mai ƙarfi akan juriyar tsatsa. Daga cikin dukkan nau'ikan acid, ƙarfe mai ƙarfi na 904L super austenitic yana da juriyar tsatsa fiye da ƙarfe na yau da kullun. A cikin ƙarfi mai ƙarfi na nitric acid, ƙarfe mai ƙarfi na 904L yana da juriyar tsatsa fiye da ƙarfe masu ƙarfe waɗanda ba su ƙunshi azurfa ba. A cikin hydrochloric acid, amfani daFaranti na bakin karfe 904Lan iyakance shi ga ƙananan abubuwan da ke cikin kashi 1-2%.
A cikin tsantsar acid a cikin kewayon yawan 0-85%, juriyar tsatsa tana da kyau sosai. A cikin masana'antar phosphoric acid da aka samar ta hanyar danshi, ƙazanta suna da tasiri mai ƙarfi akan juriyar tsatsa. Daga cikin dukkan nau'ikan acid, ƙarfe mai ƙarfi na 904L super austenitic yana da juriyar tsatsa fiye da ƙarfe na yau da kullun. A cikin ƙarfi mai ƙarfi na nitric acid, ƙarfe mai ƙarfi na 904L yana da juriyar tsatsa fiye da ƙarfe masu ƙarfe waɗanda ba su ƙunshi azurfa ba. A cikin hydrochloric acid, amfani daFaranti na bakin karfe 904Lan iyakance shi ga ƙananan abubuwan da ke cikin kashi 1-2%.
| Matsayi | C | Mn | Si | P | S | Cr | Mo | Ni | Cu |
| 904L | matsakaicin 0.020 | matsakaicin 2.00 | matsakaicin 1.00 | matsakaicin 0.040 | matsakaicin 0.030 | 19.00 – 23.00 | Matsakaicin 4.00 – 5.00 | 23.00 – 28.00 | 1.00 – 2.00 |
Lokacin Saƙo: Mayu-23-2024