Bakin Karfe 309da 310 duka biyu ne masu jure zafi austenitic bakin karfe gami, amma suna da wasu bambance-bambance a cikin abun da ke ciki da aikace-aikacen da aka yi niyya. Ana amfani da shi sau da yawa a cikin sassan tanderu, masu musayar zafi, da yanayin zafi mai zafi.310: Yana ba da mafi kyawun juriya mai zafi kuma yana iya jure yanayin zafi har zuwa kusan 1150°C (2102°F). Ya dace da aikace-aikace a cikin matsanancin yanayin zafi, kamar tanderu, kilns, da bututu masu haskakawa.
Haɗin Sinadari
| Maki | C | Si | Mn | P | S | Cr | Ni |
| 309 | 0.20 | 1.00 | 2.00 | 0.045 | 0.03 | 22.0-24.0 | 12.0-15.0 |
| 309S | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 22.0-24.0 | 12.0-15.0 |
| 310 | 0.25 | 1.00 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 |
| 310S | 0.08 | 1.00 | 2.00 | 0.045 | 0.03 | 24.0-26.0 | 19.0-22.0 |
Kayan Injiniya
| Maki | Gama | Ƙarfin ɗamara, min,Mpa | Ƙarfin bayarwa, min, Mpa | Tsawaitawa cikin 2in |
| 309 | An gama zafi/sanyi ya ƙare | 515 | 205 | 30 |
| 309S | ||||
| 310 | ||||
| 310S |
Abubuwan Jiki
| Farashin SS309 | Farashin SS310 | |
| Yawan yawa | 8.0 g/cm 3 | 8.0 g/cm 3 |
| Matsayin narkewa | 1455C (2650F) | 1454C (2650F) |
A taƙaice, bambance-bambance na farko tsakanin bakin karfe 309 da 310 sun ta'allaka ne a cikin abun da ke ciki da juriya na zafin jiki. 310 yana da ɗan ƙaramin chromium mafi girma da ƙananan abun ciki na nickel, yana sa ya fi dacewa da aikace-aikacen zafin jiki har ma fiye da 309. Zaɓin ku tsakanin su biyun zai dogara ne akan takamaiman buƙatun aikace-aikacenku, gami da zafin jiki, juriya na lalata, da kaddarorin inji.
Lokacin aikawa: Agusta-07-2023