I-2205 duplex insimbi engagqwali iyinsimbi engagqwali eyi-duplex eyakhiwe ngo-21% we-chromium, u-2.5% we-molybdenum no-4.5% we-nickel-nitrogen alloy. Izakhiwo ze-ferrite kanye ne-austenite zibalwa cishe ngama-50%. Inamandla aphezulu, ukuqina komthelela omuhle kanye nokumelana nokugqwala okuhle kwengcindezi yendawo yonke. Amandla okukhiqiza we-2205 duplex steel stainless aphindwe kabili kunawoinsimbi engagqwali ye-austenitic. Lesi sici senza abaklami behlise isisindo lapho beklama imikhiqizo, okwenza le alloy ingabizi kakhulu kuno-316 no-317L. Le ngxubevange ifaneleka ngokukhethekile ebangeni lokushisa elingu-50°F/+600°F. Kuzinhlelo zokusebenza ezingaphezu kwalolu banga lokushisa, le alloy nayo ingacatshangelwa, kodwa kunemikhawulo ethile, ikakhulukazi uma isetshenziselwa izakhiwo ezishiselwe.
Ukwakhiwa Kwekhemikhali:
- C: ≤ 0.03
- UMn: ≤ 2.00
- Si: ≤ 1.00
- P: ≤ 0.03
- S: ≤ 0.02
- Cr: 22.0–23.0
- Isilinganiso: 4.5-6.5
- Mo: 3.0–3.5
- N: 0.14–0.20
Amabanga alinganayo:
2205 duplex steel, UNS S32205, NAS 329J3L, F51, W.-Nr. 1.4462, 00Cr22Ni5Mo3N
Amazinga Okuphatha:
I-ASTM A240/ASME SA-240, ASTM A276, ASTM A182/ASME SA-182, ASTM A312/ASMES A312
Izakhiwo Zomzimba:
- Ukuminyana: 7.98 g/cm3
- Iphuzu elincibilikayo: 1300 - 1390 ℃
Ukwelashwa Kokushisa Kwesixazululo:
Bamba izinga lokushisa eliphakathi kuka-1000 - 1050 ℃ amahora angu-1-2, ukupholisa komoya okusheshayo noma ukupholisa amanzi.
Izici zikaMechanical:
- Amandla Okuqina: σb≥795Mpa
- Amandla Okukhiqiza: σb≥550Mpa
- Ubude: δ≥15%
- Ukuqina ≤310 (HB)
Ukumelana Nokugqwala kanye Nendawo Yokusebenzisa:
Uma kuqhathaniswa ne-316L kanye ne-317L austenitic stainless steel, i-2205 duplex stainless steel inokusebenza okuphakeme ekumelaneni nokugqwala komgodi kanye nokugqwala kokuqhekeka. Inokumelana nokugqwala okuphezulu. Uma kuqhathaniswa ne-austenitic, yayo I-coefficient yokwandisa okushisayo iphansi futhi ukuqhutshwa kokushisa kuphezulu. Uma kuqhathaniswa nensimbi engagqwali ye-austenitic, ingxube ye-duplex yensimbi engagqwali engu-2205 inamandla acindezelayo aphindwe kabili. Uma kuqhathaniswa ne-316L ne-317L, umklami anganciphisa isisindo sayo. Ingxubevange 2205 ifaneleka ngokukhethekile ebangeni lokushisa elingu -50°F/+600°F. Ngaphansi kwemikhawulo eqinile (ikakhulukazi ezakhiweni ezishiselwe), ingasetshenziswa futhi emazingeni okushisa aphansi.
Izinhlelo zokusebenza ze-2205 DSS Castings:
- Imishini yemboni kawoyela negesi;
- Amapulatifomu angasogwini, izinto zokushintsha ukushisa, izinto ezisetshenziswa ngaphansi kwamanzi, izinto zokucisha umlilo;
- Imboni yokucubungula amakhemikhali, izitsha kanye nemboni yamapayipi;
- Ukukhipha usawoti emanzini, imishini ye-RO enengcindezi ephezulu namapayipi ahamba ngaphansi kolwandle;
- Imboni yamandla efana ne-power plant desulfurization kanye ne-denitration FGD system, i-industrial scrubbing system, absorption tower;
- Izingxenye zemishini (amandla aphezulu, izingxenye ezimelana nokugqwala, izingxenye ezingagugi)
Isikhathi sokuthumela: Aug-18-2021