Iyini insimbi engu-2205?Insimbi engagqwali eyiDuplex S31803 noma i-S32205?

Duplex insimbi engagqwali (UNS S31803, S32205, S32750, S32900) ihlanganisa izinzuzo zeFerrite ne-Austenite steel. Ukwakheka kwayo okuphindwe kabili kuyasiza ekutholeni amandla aphezulu kanye nokumelana nengcindezi. Ngaphezu kwalokho, okuqukethwe okuphezulu kwe-chromium, i-nitrogen ne-molybdenum kukhulisa ukusebenza kokugqwala kanye nensimbi eyi-duplex nayo inokusebenza okuhle kokushisela. Ngenxa yezakhiwo zayo ezinhle kakhulu, insimbi engagqwali eyi-duplex isetshenziswa kabanzi embonini yamakhemikhali, ukukhiqizwa kwephepha, imishini yokukhipha usawoti emanzini, izindonga zomlilo, amabhuloho, imikhumbi yokucindezela, izishintshisi zokushisa, ama-turbine blades kanye nemishini yokudlulisela yezinhlelo zasogwini.

Kwesinye isikhathi, i-UNS S31803 ne-UNS S32205 kubhekiselwa kuzo njenge-duplex 2205. Ngokuvamile, i-UNS2205 iqukethe i-ASTM S31803 kanye ne-S32205 duplex steels stainless. Ngamanye amazwi, i-S31803 ne-S32205 zombili zibizwa nge-2205 insimbi engagqwali, futhi i-S32205 iwuchungechunge oluthuthukisiwe lwe-S31803 ngokwengeza okuqukethwe komkhawulo ophansi wezakhi ze-Cr, Mo kanye ne-N, okwenza umehluko omncane kuzakhiwo zemishini. Umehluko wabo omncane kuzakhi zamakhemikhali nezinto ezibonakalayo ukhonjiswa ngezansi:

I-UNS2205	C max	P	S	Simax	Mn max	N	Mo	Ni	Cr
S31803	0.03	0.03	0.02	1.00	2.00	0.08-0.2	2.5-3.5	4.5-6.5	21.0-23.0
S32205	0.03 max	0.03	0.02	1.00 max	I-2.00 max	0.14-0.2	3.0-3.5	4.5-6.5	22.0-23.0

 

I-UNS2205	amandla eqine min, Mpha	Ukukhulisa amandla 0.2% offset, min, Mpa	I-Elongation, A5%
S31803	620	450	25
S32205	655	450	25

 

Ngokusho kwe-ASTM A182 Standard, Ukucaciswa kwamapayipi ensimbi enziwe ngomgunyathi noma engagqwali, amaFlange, ama-Forged Fittings, namaValves kanye nezingxenye zesevisi ye-High-Temperature Service, i-UNS S31803 ne-UNS S32205 ayikwazi ukudideka futhi icaciswe ngenombolo ehlukile, i-S31803 imakwe ngo-F51 futhi I-S32205 iyi-F60.

Uma ukhuluma ngensimbi engu-2205, ngokuvamile ibhekisela ku-S31803 noma i-F51, kuyilapho i-UNS S32205 noma i-F60 ihambisana ne-ASTM 2205 yamukela uhla lwayo oluphakeme lokumelana nokugqwala, okungukuthi, i-UNS S32205 idinga okuqukethwe okuphezulu kwe-Chromium ne-Nitrogen, ngaleyo ndlela iqinisekisa ukumelana nokugqwala okungcono. Ngokuvamile, i-S32205 steel plate kanye ne-S31803 zibizwa nangokuthi i-double standard steel plate, noma i-2205 steel plate ngamafuphi. Ifektri yethu ikhiqiza amashubhu angu-2205 namapuleti angu-2205 ukwenza ukwakheka kwayo kwamakhemikhali kuhambisane nemibandela emibili ye-UNS 31803 kanye ne-S30025. Ipuleti yethu yensimbi esitokweni ingahlangabezana nezinhlobo ezimbili zamazinga ngesikhathi esisodwa.