Insimbi Engagqwali 321,321H

I-alloy 321 (UNS S32100) iyinsimbi eqinile ye-austenitic eqinile enokumelana nokugqwala okuhle okujwayelekile. I-321H (UNS S 32109) inguqulo yekhabhoni ephezulu (0.04 – 0.10) yensimbi engagqwali engu-321.

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Isingeniso Somkhiqizo Idatha Yezobuchwepheshe

Isingeniso Somkhiqizo

I-alloy 321 (UNS S32100) iyinsimbi eqinile ye-austenitic eqinile enokumelana nokugqwala okuhle okujwayelekile. Inokumelana okuhle kakhulu nokugqwala kwe-intergranular ngemva kokuchayeka emazingeni okushisa ebangeni lemvula ye-chromium carbide engu-800 – 1500°F (427 – 816°C). Ingxubevange imelana ne-oxidation ibe ngu-1500°F (816°C) futhi inezindawo eziphakeme zokukhasa nokugqabuka kwengcindezi kunama-alloys angu-304 no-304L. Futhi inokuqina okuhle kwezinga lokushisa eliphansi.

Ingxubevange 321H (UNS S 32109) inguqulo yekhabhoni ephezulu (0.04 – 0.10) yealloy. Yakhelwe ukuthuthukisa ukumelana nokunyuka kanye namandla aphakeme emazingeni okushisa angaphezu kuka-1000oF (537°C). Ezimweni eziningi, okuqukethwe kwekhabhoni epuleti kuvumela ukuqinisekiswa okukabili.

I-alloy 321 ayikwazi ukwenziwa lukhuni ngokuphathwa ukushisa, kuphela ngokusebenza okubandayo. Ingashiselwa kalula futhi icutshungulwe ngezinqubo ezijwayelekile zokwenziwa kwezitolo.

Izicelo Ezivamile

I-Aerospace - injini ye-piston eminingi
Ukucubungula Amakhemikhali
Ukwandisa Amalunga
Ukucubungula Ukudla - okokusebenza nokugcina
I-Petroleum Refining - isevisi ye-polythionic acid
Ukwelashwa Kwemfucuza - ama-oxidizers ashisayo

Idatha Yezobuchwepheshe

Izakhiwo Zekhemikhali:

%	Cr	Ni	C	Si	UMn	P	S	N	Thi	Fe
321	imiz:17.0 ubuningi:19.0	imiz: 9.0 ubuningi:12.0	ubuningi:0.08	ubuningi:0.75	ubuningi:2.0	ubuningi:0.045	ubuningi:0.03	ubuningi:0.10	iminithi:5*(C+N) ubuningi:0.70	Ibhalansi
321H	imiz:17.0 ubuningi:19.0	imiz: 9.0 ubuningi:12.0	imiz:0.04 ubuningi:0.10	imiz:18.0 ubuningi:20.0	ubuningi:2.0	ubuningi:0.045	ubuningi:0.03	ubuningi:0.10	iminithi:5*(C+N) ubuningi:0.70	Ibhalansi

Izici zikaMechanical:

Ibanga	Amandla Okuqina ksi (min.)	Amandla Esivuno 0.2% I-Offset ksi (min.)	Elongation - % ku 50 mm (amaminithi.)	Ukuqina (Brinell) MAX
321	75	30	40	217

Izakhiwo Zomzimba:

I-Denstiy lbm/ku3	I-Coefficient ye	Ukunwetshwa kwe-Thermal (min/in)-°F	I-Thermal Conductivity BTU/hr-ft-°F	Ukushisa Okukhethekile kwe-BTU/lbm -°F	Amamojula we-Elasticity (afakiwe)2-psi
ngo 68 °F	ku-68 - 212°F	ku-68 - 1832°F	ku-200°F	ku-32 – 212°F	ku-tension (E)
0.286	9.2	20.5	9.3	0.12	28x106