S31803 Bakin Karfe
Bakin Karfe S31803 sanannen nau'in nau'in bakin karfe ne wanda aka fi sani da duplex wanda ya haɗu da fa'idodin austenitic da ferritic bakin karfe, yana ba da ma'auni na musamman na babban ƙarfi, juriya mai ƙarfi, da ingantaccen weldability. Wannan gawa mai duplex wani bangare ne na jerin 2205, wanda ke da kusan 50/50 austenitic{5}}karamin sinadari na ferritic, wanda ke ba da ingantacciyar aiki a cikin mahalli masu tsauri idan aka kwatanta da yawancin ma'auni na austenitic.
Haɗin Sinadari
|
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
N |
|
|
Min |
- |
- |
- |
- |
- |
21 |
4.5 |
2.5 |
0.08 |
|
Max |
0.03 |
1 |
2 |
0.03 |
0.02 |
23 |
6.5 |
3.5 |
0.2 |
Kayayyakin Kayayyaki
|
Yawan yawa |
Matsayin narkewa |
Mafi ƙarancin kayan aikin injina a zafin daki |
||
|
Ƙarfin Ƙarfin Ƙarfi |
Ƙarfin Haɓaka |
Tsawaitawa |
||
|
g/cm3 |
digiri |
Rm N/mm2 |
Rp0.2N/mm2 |
A5% |
|
7.82 |
1420~1470 |
620 |
450 |
25% |
Siffar
S31803, Bakin Karfe guda biyu{1}, yana bin tsarinsa da kaddarorinsa ga ingantaccen tsarin sinadaran da aka ƙera. Chromium (21-23%) yana samar da wani Layer oxide mai kariya don juriyar lalata, nickel (4.5-6.5%) yana tabbatar da yanayin austenitic, kuma molybdenum (2.5-3.5%) yana haɓaka juriya ga gurɓataccen rami da ɓarna, musamman a cikin yanayi mai wadatar chloride. Nitrogen (0.08-0.20%) yana ƙarfafa lokacin austenitic, yayin da carbon, manganese, silicon, phosphorus, da sulfur ana sarrafa su don kula da ma'auni na microstructural.
A inji, S31803 ya zarce tare da ƙaramin ƙarfi na 620 MPa da ƙarfin samar da 450 MPa, kusan ninki biyu na 304 ko 316, duk da haka yana riƙe 25% elongation don ƙirƙira. Ƙarfinsa - zuwa - rabon nauyi ya dace da nauyi{9}} aikace-aikace masu hankali.
Juriya na lalata shine S31803's forte. Tare da PREN na 32-36, yana tsayayya da gabaɗaya, rami, da lalata a cikin ruwan teku, brines, da sinadarai na masana'antu fiye da 316.
Aikace-aikace
Injiniyan Ruwa:Kayan aikin tsabtace ruwan teku, famfun ruwa/bawul, tsarin dandamali na ketare
Kayayyakin Petrochemical:Bututun matatar mai, tankunan ajiya, masu musayar zafi (mai jure lalata H₂S/CO₂)
Kariyar Muhalli:Tsarin kula da ruwan sharar gida, raka'o'in desulfurization na hayaƙi
Masana'antar sinadarai:Manyan kwantena masu matsakaicin ion chloride (misali, kayan aikin bleaching)
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Aika Aikace-aikacen
