321 321H Engagqwali

Izakhiwo Jikelele

Ingxubevange 321 (Uns S32100) kuyinto titanium uhlaliseke austenitic insimbi engagqwali ngokuhle jikelele ukugqwala ukumelana. It has ukumelana kakhulu ukugqwala intergranular ngemva kokungenwa okushisa in the chromium Carbide kwezulu uhla 800 - 1500 ° F (427 - 816 ° C). Ingxubevange umelana namachibi 1500 ° F (816 ° C) futhi ephakeme ungangena futhi ukucindezeleka ukudabuka izakhiwo kuka Alloys 304 futhi 304L. Iphinde possesses ezinhle ongaphakeme lokushisa ubunzima.

Ingxubevange 321H (Uns S 32109) iyona carbon ephakeme (0.04 - 0.10) inguqulo ye-ingxubevange. Lwakhiwe ngoba sithuthukiswe ungangena ukumelana namandla ephakeme okushisa ngenhla 1000oF (537 ° C). Ezimweni eziningi, okuqukethwe carbon ipuleti kwenza isitifiketi ezimbili.

Ingxubevange 321 ayikwazi lukhuni ukwelashwa ukushisa, kuphela zokusebenza abandayo. Singasho ashiselwe kalula futhi lusetshenziswe ngu ejwayelekile esitolo bumbela imikhuba.

Izicelo ezivamile

1.Aerospace - piston injini manifolds
2.Chemical Icubungula
3.Expansion Amalunga
4.Food Icubungula - imishini futhi isitoreji
5.Petroleum Refining - polythionic inkonzo acid
6.Waste Ukwelashwa - oxidizers ezishisayo

ASTM / Aste :  Uns S32100

corrosion Ukumelana

1.exhibits ezinhle jikelele ukugqwala ukumelana engase ifaniswe 304.
2.developed ukuze isetshenziswe chromium Carbide kwezulu uhla 1800 - 1500 ° F (427 - 816 ° C).
3.can lisetshenziswe acid kakhulu lwenkomo olufakwe amanzi eziphilayo amazinga akahle okushisa.
4.can lisetshenziswe okumsulwa wali band acid at okushisa aphansi.
5.can lisetshenziswe abafika kwabangu-10% izixazululo buhlanjululwe at okushisa ephakeme.
6.resists polythionic acid kwengcindezi yokugqwala enkonzweni hydrocarbon.
7.utilized e chloride noma fluoride khulula izixazululo caustic at amazinga akahle okushisa.
8.does ingasebenzi kahle chloride izixazululo, ngisho lokuhlala encane, noma sulfuric inkonzo acid.

Ingxubevange 321 / H kungenziwa ashiselwe kalula futhi lusetshenziswe ngu ejwayelekile esitolo bumbela imikhuba.

Hot Owenza

2300 ° F - okushisa 2100 1.Working (1149 - 1260 ° C) anconywe ekwakheni, kucasula futhi nezinye zokusebenza ashisayo izinqubo.
2.Alloy asihambisani umsebenzi emazingeni okushisa ngezansi 1700 ° F (927 ° C).
3.Material kumele kube amanzi iqeda noma annealed ngokugcwele ngemva kokusebenza kabusha attain esiphezulu ukugqwala ukumelana.
Ductile 4.Quite namafomu kalula.
5.Readily ashiselwe ngezinqubo kakhulu ejwayelekile.
6.Post weld ukwelashwa ukushisa akudingekile
7.Hardening ngesilinganiso 321 kwenza machinable kuka 410 insimbi engagqwali, kodwa efana 304

Cold Owenza

zokushisela

machining

Chemical Properties:

%

Kr

Ni

C

Si

mn

P

S

N

ti

Fe

321

imiz: 17.0
max: 19.0

imiz: 9.0
max: 12.0

max: 0.08

max: 0.75

max: 2.0

max: 0,045

max: 0.03

max: 0,10

imiz: 5 * (C + N)
max: 0.70

Balance

321H

imiz: 17.0
max: 19.0

imiz: 9.0
max: 12.0

imiz: 0.04
max: 0,10

imiz: 18.0
max: 20.0

max: 2.0

max: 0,045

max: 0.03

max: 0,10

imiz: 5 * (C + N)
max: 0.70

Balance

Izakhiwo Mechanical:

Ibanga

Amandla eqine
ksi (min.)

Ukuhoxa Amandla 0.2%
Offset ksi (min.)

Ukunwebeka -
% in
50 mm (min.)

Ukuqina
(Brinell) MAX

321

75

30

40

217

Izakhiwo Physical:

Denstiy
lbm/in3

Coefficient ka
Thermal Expansion (min/in)-°F

Thermal conductivity BTU / ihora-ft- ° F

Specific Heat BTU / lb m  - ° F

Amamojuli okunwebeka (annealed) 2 -psi

68 ° F

68 - 212 ° F

68 - 1832 ° F

at 200 ° F

at 32 - 212 ° F

e ukungezwani (E)

0,286

9.2

20,5

9.3

0.12

28 x 10 6