Alloi 28wani babban gami da maƙasudi da yawa austenitic bakin karfe don sabis a cikin yanayi mara kyau. An siffanta darajar da:
- Babban juriya na lalata a cikin acid mai ƙarfi
- Kyakkyawan juriya ga lalata lalata (SCC) da lalata intergranular a wurare daban-daban
- Babban juriya ga ramuka da lalata ɓarna
- Kyakkyawan weldability
Matsayi
- Saukewa: N08028
- ISO 4563-080-28-I
- Lambar EN: 1.4563
- EN Sunan: X 1 NiCrMoCu 31-27-4
- Saukewa: 1.4563
- DIN: X 1 NiCrMoCuN 31 27 4
- Saukewa: 2584
- Saukewa: Z1NCDU31-27-03
| C | Si | Mn | P | S | Cr | Ni | Mo | Cu | N |
|---|---|---|---|---|---|---|---|---|---|
| ≤0.020 | ≤0.7 | ≤2.0 | ≤0.020 | ≤0.010 | 27 | 31 | 3.5 | 1.0 | ≤0.1 |
Saboda fitattun kaddarorin sa na lalata, Sanicro® 28 za a iya amfani da shi a cikin wurare daban-daban. An jera a ƙasa akwai ƴan misalan aikace-aikace waɗanda wannan gami ya dace da su musamman.
Phosphoric acid
A yau,Alloy 28 koSanicro 28 shine kayan ƙarfe da aka fi amfani dashi don bututun evaporator a cikin kera acid phosphoric ta hanyar "rigar". Raka'a da yawa yanzu suna aiki sama da shekaru 10. Masu musayar zafi na graphite, wanda Sanicro 28 ya maye gurbinsu, sau da yawa suna fuskantar matsaloli da yawa tare da fasa bututu da asarar samarwa.
Sulfuric acid
Alloy 28 koSanicro 28 abu ne mai dacewa don bututun bututu da masu musayar zafi, musamman a adadin tsakanin 40 zuwa 70% na deaerated acid da sama da 85%.Alloy 28 koSanicro 28 yana da kusan juriya iri ɗaya da Alloy C a cikin acid mai ƙarfi (98% H2SO4).
Mai da gas
Alloy 28 koAna amfani da Sanicro 28 don samar da tubing, casing da liners a cikin zurfin rijiyoyin gas mai tsami. Hakanan ana bada shawarar kayan don rijiyoyin mai tare da yanayin lalata. Don waɗannan dalilai, ana ba da bututu mai sanyi tare da babban ƙarfi. A cikin yanayin da ba a so,Alloy 28 koHakanan ana amfani da Sanicro 28 azaman bututun jigilar mai da iskar gas da kuma masu musayar zafi a wuraren jiyya. Ana amfani da layin waya na Sanicro 28 don rage kayan aiki da sarrafa kayan aiki a cikin rijiyoyin mai da iskar gas mai zurfi.
Kafofin watsa labarai masu ɗauke da fluoride
Gases masu ɗauke da fluoride na iya samuwa a lokacin samar da phosphoric acid da gauraye takin zamani. Dole ne a zubar da waɗannan iskar gas saboda dalilai na muhalli. Sanicro 28 shine manufa don wannan dalili. Gwaje-gwaje sun nuna ya fi dacewa da mafi girman maki CrNiMo alloed don dawo da gypsum mai ɗauke da fluoride.
Tashar makamashin nukiliya
Saboda tsananin juriya ga SCC, rami da lalata, an zaɓi Sanicro 28 don masu musayar zafi a cikin tashoshin makamashin nukiliya.
Ruwan teku da ruwan sanyaya mai ɗauke da chloride
Babban juriya ga ramuka da gurɓataccen ɓarna ya sa Sanicro 28 ya zama abin da ya dace sosai don ɗaukar bututun ruwa da masu sanyaya ruwan teku. An tabbatar da wannan ta hanyar kwarewa mai amfani.
Sanicro 28 ya maye gurbin alluran nickel, CuNi, bututun bimetallic da bututun ƙarfe mai rufi, waɗanda suka gaza saboda lalata. Aikin Sanicro 28 yayi kyau sosai.
A cikin masu musayar zafi mai sanyaya ruwan teku da masu musayar zafi waɗanda ke aiki tare da ruwan sanyaya mai ɗauke da chloride, Sanicro 28 yana ba da juriya mai ƙarfi ga ruwa da matsakaicin sanyaya.
Lokacin da aka rufe shukar da aka sanyaya ruwan teku, babu buƙatar zubar da tsarin bututu ko kuma zubar da ruwa mai kyau, muddin lokacin rufewar ya gaza wata ɗaya kuma zafin ruwan ya yi ƙasa da 30°C (85°F) .
Duplex bakin karfe 2507 ya fi Sanicro 28 juriya a cikin ruwan teku.
Lokacin aikawa: Dec-24-2019