ZG35Cr24Ni7SiN Centrifugal Cast Paipa: O le Tau-Filifiliga Lelei mo Alamanuia Vailaau Maualuluga-Talosaga vevela
I le alamanuia kemikolo, o mea faigaluega e fa'agaoioia i lalo o tulaga sili ona mana'omia-maualuga le vevela, uila fa'avevela, fa'ama'i, sulfidation, ma le ea a'a. O nei si'osi'omaga saua e tu'u ai ni mana'oga fa'amaoni i le fa'atuatuaina, tumau, ma le fa'atinoina o vaega -tete'e vevela. Faatasi ai ma nei vaega taua, ZG35Cr24Ni7SiN paipa fa'a'a'ai tu'u mai e pei o le vaifofo sili mo le felauaiga -maualuga vevela kasa, ala o fa'agaioiga, ma mea pala.
E masani ona ta'ua o le "Ni7N", ZG35Cr24Ni7SiN o se nickel-sefe austenitic heat-tetesua u'amea lafo ua sili ona lelei mo le maualuga-auaunaga vevela. Pe a faatusatusa i togi maualuga nickel masani e pei o le 2520 (HK40 / 1.4841), e maua ai le malosi tutusa pe sili atu le maualuga o le vevela, teteʻe o le vevela, ma le faʻaleagaina i se tau maualalo tele. Mo le tele o vailaʻau maualuga-vevela talosaga i le va o 900 tikeri ma 1100 tikeri, ZG35Cr24Ni7SiN ofoina atu le paleni sili o le faatinoga, faatuatuaina, ma le tamaoaiga.
O lenei tusiga o loʻo tuʻuina atu ai se faʻamatalaga lautele o tulaga faʻapitoa o le ZG35Cr24Ni7SiN, vailaʻau faʻapipiʻi, mea taua, faʻaogaina o le centrifugal, faʻaoga masani, ma faʻatusatusaga faʻava-o-malo, fesoasoani i inisinia kemisi, vaega faʻatau, ma pule o laʻau e faia filifiliga filifilia.
1. Mea Fa'atonu & Fa'ainumera Vailaau
O le ZG35Cr24Ni7SiN o le chromium maualuga, maualalo le nickel austenitic austenitic u'amea lafo ua fa'atulagaina mo le gaosiga o paipa. O lona tuufaatasiga o vailaʻau e saʻo paleni mo le maualuga o le vevela o le faʻamaʻiina o le faʻamaʻiina, sulfidation teteʻe, ma le faʻamautu faʻavae, aʻo faʻaitiitia le nickel i totonu mo le taugofie.
1.1 Tulaga Saina
Vasega: ZG35Cr24Ni7SiN
Tulaga Fa'ata'atia: GB/T 8492‑2014 La'au Uamea e Tetee i le vevela
1.2 Fa'ailoga Fa'ava-o-malo Tutusa
O le ZG35Cr24Ni7SiN o lo'o i ai fa'atusatusaga fa'atusa i tulaga tetele o le lalolagi, fa'amautinoa le feso'ota'iga i tuaoi ma fa'amatalaga faigofie mo galuega fa'ava-o-malo.
| Faiga masani | Tulaga Nu. | Vasega Tutusa | Fa'amatalaga |
|---|---|---|---|
| ISO | ISO 11973 | GX40CrNiSi27‑4 | Tulaga uamea lafo i le lalolagi atoa, fa'atinoga tutusa ma le ZG35Cr24Ni7SiN |
| Europa (EN/DIN) | EN 10295 / DIN 17440 | GX40CrNiSi27‑4 (1.4823) | Fa'aaoga lautele i vaila'au fa'a-papalagi ma fa'ato'aga mo paipa vevela maualuga |
| Amerika (ASTM/ACI) | ASTM A297 / ACI | HD (J93005) | High-Cr, maualalo-Ni lafo u'amea vevela, sui tuusao mo ZG35Cr24Ni7SiN |
| Iapani (JIS) | JIS G 5122 | SCH11 | Fa'afetaui i vaila'au tu'ufa'atasiga ma le tele o le vevela o auaunaga mo fa'aoga vaila'au Asia |
1.3 Fa'aigoa Fa'apitoa Fa'apitoa (wt%)
| Elemene | C | Cr | Ni | Si | N | Mn | P | S |
|---|---|---|---|---|---|---|---|---|
| ZG35Cr24Ni7SiN | 0.30–0.40 | 23.0–26.0 | 6.0–8.0 | 1.6–2.4 | 0.20–0.28 | 0.8–1.5 | E itiiti ifo pe tutusa ile 0.04 | E itiiti ifo pe tutusa ile 0.03 |
Matafaioi Autu:
Chromium (Cr): Fausia ata Cr₂O₃ oxide mafiafia mo le faʻamaʻiina ma le sulfidation tetee.
Nickel (Ni): Faʻamautu austenite, faʻaleleia le malosi ma le faʻafefe vaivai.
Silicon (Si): Faʻaleleia le faʻamautuina o ata tifaga ma le faʻaogaina.
Nitrogen (N): E maua ai le faʻamalosia o vaifofo, faʻaitiitia le faʻalagolago i le nickel, ma faʻateleina le malosi o le fetolofi maualuga.
2. Uiga Autu o Galuega
ZG35Cr24Ni7SiN centrifugal lafo paipa ua inisinia mo auaunaga umi i le 1050-1100 tikeri, faatasi ai ma mea e sili ona lelei masini ma siosiomaga tetee.
2.1 Mauaina o le vevela
Auaunaga faifai pea: 1050–1100 tikeri
Pu'upu'u maualuga: E o'o i le 1200 tikeri
E talafeagai mo le tele o vailaʻau maualuga-vevela faʻagasologa, e aofia ai le taʻe, gasification, faʻavela, ma le toe faʻaleleia o le vevela.
2.2 Meatotino Fa'ainisinia (Centrifugal Cast Condition)
Malosi fa'amalosi (RT): Sili atu pe tutusa ile 500 MPa
Malosi e maua ai (RT): Sili atu pe tutusa ile 300 MPa
Elongation: Sili atu pe tutusa ile 12%
Malosi maualuga-vevela (1000 tikeri): Sili atu pe tutusa ile 230 MPa
Ma'eu le fetolofi ma le mautu o le vevela i lalo o le uta faaumiumi i le vevela maualuga.
2.3 A'a & Tete'e Te'i vevela
Oxidation teteʻe: Laʻititi fua faʻamaʻi i le 1100 tikeri, faʻatasi ai ma le faʻamautu o le oxidation layer.
Tete'e te'i vevela: Tatalia ta'amilosaga fa'avevela/maalili faifaipea (ΔT > 600 tikeri ) e aunoa ma le ta'e- lelei mo galuega amata-taofi faifaipea.
Tete'e i le sulfidation & carburization: Tete'e le kesi fa'a'ave'aveina o le sulfur ma le ea fa'ama'a, e masani ai i vaila'au koale ma le fa'aogaina o le petrochemical.
3. Tulaga lelei o le Fa'agasologa o le Fa'a'au'au
O paipa ZG35Cr24Ni7SiN o loʻo gaosia e ala i le maualuga-saosaoa centrifugal tuʻuina atu, lea e ofoina atu faʻamanuiaga taua i luga o le oneone faʻasolosolo:
Fuafuaga mafiafia, leai se pu: Malosi o le centrifugal (1000–3000×g) e tuliesea ai le kesi ma mea leaga, fa'aitiitia ai le posity, fa'aiti'itia, ma fa'aaofia.
Mafiafia puipui tutusa & fua sa'o: Fa'apalepale malu (±0.5 mm) ma le lapotopoto sili ona lelei mo le fa'apipi'i faigofie ma le uelo.
Fa'atulagaga o saito lelei: Fa'aleleia le malosi o le vevela, tete'e fetolofi, ma le ola vaivai.
Fa'alelei totonu/ fafo: Fa'aitiitia le pipii o ala o faasalalauga, fa'atupuina o le pefu, ma le pala, fa'alautele le ola tautua.
4. Talosaga masani i le Alamanuia Kemisi
ZG35Cr24Ni7SiN centrifugal cast paipa o loʻo faʻaaogaina lautele i le petrochemical, koale vailaʻau, vailaʻau lelei, ma le puipuiga o le siosiomaga:
Petrochemical: O fa'agaau o le ogaumu ta'e, paipa fa'aola fa'afouina, laina ausa maualuga.
Vailaau Fa'aalaala: Paipa fa'asu'i kasa, paipa fa'avevela fa'avevela vevela, paipa fa'aoso afā.
Fine Chemical: Faagau'u ogaumu fa'avela, vaega fa'amū, mea fa'avevela vevela maualuga i totonu.
Puipuiga o le Si'osi'omaga: Fa'aa'au kasa fa'a'a'a'a, fa'a'ese'e/denitrification vaega vevela maualuga.
I nei talosaga uma, o le ZG35Cr24Ni7SiN e tuʻuina atu le faʻatinoga faʻalagolago i le 15-25% tau maualalo nai lo le 2520 (HK40 / 1.4841).
5. ZG35Cr24Ni7SiN vs . 2520 (HK40 / 1.4841)
| Aitema | ZG35Cr24Ni7SiN (Ni7N) | 2520 (ZG40Cr25Ni20Si2 / HK40 / 1.4841) |
|---|---|---|
| Nikeli mea | 6–8% (maualalo-Ni) | 18–22% (maualuga-Ni) |
| Fa'aauau Temp | 1050–1100 tikeri | 1150–1200 tikeri |
| Tau | Tau-lelei (fa'ailoga) | 15–25% maualuga |
| Te'i vevela | Lelei (matamata-tu soo) | Lelei (mautu maualuga le vevela) |
| Sili Mo | I lalo ifo pe tutusa ma le 1100 tikeri, sulfur/carburizing atemosifia, galuega fa'aletonu tau. | >1100 tikeri, ultra-maualuga-maualuga, faagaioiina tumau tumau |
Fa'ai'uga: Mo le 95% o vaila'au maualuga-vevela talosaga i lalo ole 1100 tikeri, ZG35Cr24Ni7SiN o le filifiliga sili ona lelei-tu'u atu tutusa fa'atuatuaina i le 2520 i se tau maualalo tele.
Faafesootai matou
Afai ei ai ni au fesili e uiga i le ZG35Cr24Ni7SiN centrifugal cast paipa, pe manaʻomia ni fofo faʻapitoa mo au vailaʻau maualuga-vevela talosaga, faʻamolemole lagona le saoloto e faʻafesoʻotaʻi matou:
Kamupani Upega Tafaʻilagi:https://www.hsmachineryparts.com/
imeli:Hongsheng@hsmachineryparts.com






