Gabatarwa
Bakin karfen ƙarfe ne masu ƙarfi.Ana samun waɗannan karafa a rukuni huɗu waɗanda suka haɗa da martensitic, austenitic, ferritic da hazo mai taurin ƙarfe.An kafa waɗannan ƙungiyoyi bisa tsarin crystalline na bakin karfe.
Bakin karfe yana ƙunshe da adadin chromium mafi girma idan aka kwatanta da sauran karafa don haka suna da juriya mai kyau na lalata.Yawancin bakin karfe sun ƙunshi kusan 10% na chromium.
Bakin karfe na Grade 2205 shine bakin karfe mai duplex wanda ƙirarsa ke ba da damar haɗa ingantaccen juriya ga rami, ƙarfi mai ƙarfi, lalata damuwa, lalata da fashewa.Matsayi 2205 bakin karfe yana tsayayya da lalata danniya na sulfide da yanayin chloride.
Takardar bayanan da ke gaba tana ba da bayyani na bakin karfe 2205.
Haɗin Sinadari
A sinadaran abun da ke ciki na sa 2205 bakin karfe da aka kayyade a cikin wadannan tebur.
| Abun ciki | Abun ciki (%) |
| Irin, Fe | 63.75-71.92 |
| Chromium, Cr | 21.0-23.0 |
| Nickel, Ni | 4.50-6.50 |
| Molybdenum, Mo | 2.50-3.50 |
| Manganese, Mn | 2.0 |
| Silikon, Si | 1.0 |
| Nitrogen, N | 0.080-0.20 |
| Karbon, C | 0.030 |
| Phosphorus, P | 0.030 |
| Sulfur, S | 0.020 |
Abubuwan Jiki
Teburin da ke gaba yana nuna kaddarorin jiki na sa 2205 bakin karfe.
| Kayayyaki | Ma'auni | Imperial |
| Yawan yawa | 7.82 g/cm³ | 0.283 lb/in³ |
Kayayyakin Injini
The inji Properties na sa 2205 bakin karfe suna nuni a cikin wadannan tebur.
| Kayayyaki | Ma'auni | Imperial |
| Ƙarfin juzu'i a lokacin hutu | 621 MPa | 90000 psi |
| Ƙarfin Haɓaka (@strain 0.200%) | 448 MPa | 65000 psi |
| Tsawon lokacin hutu (a cikin 50 mm) | 25.0% | 25.0% |
| Hardness, Brinell | 293 | 293 |
| Hardness, Rockwell c | 31.0 | 31.0 |
Thermal Properties
The thermal Properties na sa 2205 bakin karfe da aka bayar a cikin wadannan tebur.
| Kayayyaki | Ma'auni | Imperial |
| Haɗin haɓaka haɓakar thermal (@20-100°C/68-212°F) | 13.7µm/m°C | 7.60µin/in°F |
Sauran Nazari
Daidai kayan zuwa sa 2205 bakin karfe sune:
- ASTM A182 F51
- ASTM A240
- Saukewa: ASTM A789
- ASTM A790
- DIN 1.4462
Kerawa da Maganin Zafi
Annealing
Bakin karfe na daraja 2205 ana goge shi a 1020-1070°C (1868-1958°F) sannan ruwa ya kashe.
Zafafan Aiki
Matsayi 2205 bakin karfe yana aiki da zafi a cikin kewayon zafin jiki na 954-1149°C (1750-2100°F).Ana ba da shawarar yin aiki mai zafi na wannan matakin bakin karfe a ƙarƙashin zafin daki a duk lokacin da zai yiwu.
Walda
Hanyoyin walda da aka ba da shawarar ga bakin karfe 2205 sun haɗa da SMAW, MIG, TIG da hanyoyin da aka rufe da hannu.A lokacin aikin walda, kayan ya kamata a sanyaya ƙasa da 149°C (300°F) tsakanin wucewar kuma kafin zafin walda ya kamata a guji.Ya kamata a yi amfani da abubuwan shigar da ƙananan zafi don walƙiya matakin 2205 bakin karfe.
Samar da
Bakin karfe na Grade 2205 yana da wahala a samar da shi saboda ƙarfinsa mai ƙarfi da ƙimar ƙarfin aiki.
Injin iya aiki
Bakin karfe na Grade 2205 za a iya yin amfani da shi tare da ko dai carbide ko kayan aiki mai sauri.Ana rage saurin da kusan 20% lokacin da ake amfani da kayan aikin carbide.
Aikace-aikace
Ana amfani da bakin karfe Grade 2205 a cikin aikace-aikacen masu zuwa:
- Fitar iskar gas
- Tankunan sinadarai
- Masu musayar zafi
- Abubuwan distillation acetic acid