ZG35Cr24Ni7SiN tuyo centrifugal: njëg bi
Ci wàllu liggéeyum chimik, aparey yi dañuy dox ci anam wu metti lool - tàngoor wu metti, siklu termik, oxidation, sulfidation, ak atmosphere yuy yàq. Yii environmaa yu metti dañuy tëral ay sàrt yu tar ci wàllu wóor, yàggaay, ak kàttanu komposaŋ yiy muñ tàngoor-. Ci wàll yooyu gëna am solo, tuyo centrifuge ZG35Cr24Ni7SiN ñoo gëna fës ngir yóbbu gaz de combustion bu tàng, media de processus ak macceer yuy yàq.
Ñu bari xamee ko ci "Ni7N", ZG35Cr24Ni7SiN dafay sakkanal tàngoor austenitik bu dëgër, ñu defaree ko tàngoor wu metti. Buñu ko méngale ak grade nikel yu kawe yi fi yàgg a nekk, lu ci melni 2520 (HK40 / 1.4841), dafay joxe doole bu méngoo wala bu gëna baax ci tàngoor wu metti, mu mëna xeex choc thermique, ak mëna xeex corrosion ci njëg yu gëna néew. Ci wàllu chimik yu bari yu am tàngoor wu metti diggante 900 degre ak 1100 degre, ZG35Cr24Ni7SiN mooy joxe ekilibre bi gëna baax ci wàllu liggéey, wóor ak koom.
xët wii dafay joxe ab gis-gis bu mat sëkk ci ZG35Cr24Ni7SiN standards macceer, composition chimik, màndarga yu am solo, njariñu jëmmal centrifugal, aplikaasioŋ tipikal, ak méngale grade internasional, jàppale ingenieur chimik, ekipu jënd, ak kilifay usine jël dogal ci tànneef.
1. Standard yiñ tëral ci jumtukaay yi ak liñu ci boole
ZG35Cr24Ni7SiN asiye austenitik la bu bari krom, nikel bu néew, muy dékku tàngoor, ñu defaree ko ngir defar tuyo centrifuge. Composition chimique bi dafa méngoo bu baax ngir mëna xeex oxidation ci tàngoor wu metti, mëna xeex sulfidation, ak stabilite ci structure bi, boole ci wàññi nickel bi ci nekk ngir wàññi njëg yi.
1.1 Standard chinois
Grade: ZG35Cr24Ni7SiN
Standard: GB/T 8492‐2014 Fonde en acier resistant à chaleur
1.2 Njortu yu méngoo ci àdduna
ZG35Cr24Ni7SiN amna luñu ko méngale ak yeneen xeetu standard yu mag ci àdduna bi, lépp ngir mëna déggoo ci diggante ay frontiere ak ay leeral yu yomb ci projet yu mag yi ci àdduna.
| Sistem buñ miin | No. | Grade bu méngoo | Xalaat |
|---|---|---|---|
| ISO | ISO 11973 | GX40CrNiSi27-4 | Standard global buy xeex tàngoor, liggéey bu méngoo ak ZG35Cr24Ni7SiN |
| European (EN/DIN) | EN 10295 / DIN 17440 | GX40CrNiSi27-4 (1,4823) | Dañu koy jëfandikoo bu bari ci usine chimik yu Europe ak petrochimie ngir tuyo yu am tàngoor wu metti |
| Américain (ASTM/ACI) | ASTM A297 / ACI | HD (J93005) | Cr bu bari, Ni bu woyof, weccitu ZG35Cr24Ni7SiN |
| Japonais (JIS) | JIS G 5122 | SCH11 | Dafay méngoo ak composition chimik bi ak tàngoor wiñ koy jëfandikoo ngir jëfandikoo chimik yu Asie |
1.3 Composition chimique bu gëna mag (wt%)
| Këf | 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 | Lu néew wala lu tollu ci 0.04 | Lu néew wala lu tollu ci 0.03 |
Rol yu am solo yi:
Chrome (Cr): dafay defar filmu oxide Cr2O3 bu dëgër ngir mëna xeex oxidation ak sulfidation.
Nickel (Ni): Dafay dakkal austenite, gëna dëgëral ak baña coono ci tàngoor.
Silisium (Si): Dafay gëna dëgëral filmu oxide bi ak mëna jëmmal.
Azote (N): Dafay dëgëral disolution solide, wàññi dependence ci nickel, ba noppi yokk dooley creep ci tàngoor wu metti.
2. Màndarga yi gëna am solo
Tuyo centrifuge ZG35Cr24Ni7SiN dañu leen di defar ngir ñu mëna liggéey lu yàgg ci 1050 ba 1100 degre, ñu am doole ju baax ci wàllu mekanik ak ci environmaa bi.
2.1 Kàttan tàngoor
Serwiis bu wéy: 1050–1100 degre
Peak bu gàtt: Ba 1200 degre
Dafay baax ci liggéey chimik yu bari yu am tàngoor wu metti, lu ci melni xaaj, gasifikaasioŋ, lakk, ak defaraat tàngoor.
2.2 Màndarga mekanik (Santu jëmmal centrifugal)
Force de traction (RT): Lu ëpp wala lu tollu ci 500 MPa
Rendement force (RT): Lu ëpp wala lu tollu ci 300 MPa
Guddaay: Lu ëpp wala lu tollu ci 12%
Dooley tàngoor wu metti (1000 degre): Lu ëpp wala lu tollu ci 230 MPa
Resistance creep bu baax ak stabilite thermique ci biir sargal bu yàgg ci tàngoor wu metti.
2.3 Corrosion ak mbañeel choc thermique
Resistance ci oxidation: Taxawam oxidation bu woyof ci 1100 degre, ak couche oxide bu dëgër buy muur.
Resistance à choc thermique: Dafay muñ tàngoor/seddaay yu bari (ΔT > 600 degre) te du xar -baaxna lool ci liggéey yuy faral di tàmbali ak taxaw.
Resistance ci sulfidation ak carburisation: Dafay baña nangu gaz de combustion ak atmosphere carburisant, te loolu dafay gëna bari ci produit chimique ak petrochimie ci këriñ.
3. Njariñu liggéeyu jëmmal centrifugal
ZG35Cr24Ni7SiN tuyo yi ñu ngi leen di defaree ci jëmmal centrifugal bu gaaw, lu am njariñ yu gëna mag ci jëmmal suuf suy taxaw:
Jariñ bu dëgër te amul ay pore: Dooley centrifuge (1000–3000×g) dafay dàq gaz yi ak mbalit yi, wàññi porosité bi, rétrécissement bi ak inclusion yi.
Kuur bu yam ci yaatuwaayam & dimension yu jaar yoon: Tolerans yu sew (±0.5 mm) ak rond bu baax ngir yombal samp gi ak soudure bi.
Pepp yu woyof yi: dafay gëna dëgëral tàngoor wu metti, baña raam, ak dundu coono.
Surface bi ci biir/biti bu nooy: Dafay wàññi li media yi di dajaloo, pënd ak corrosion, gëna yokk àppu liggéey bi.
4. Li ñuy jëfandikoo ci liggéeyum chimik
ZG35Cr24Ni7SiN tuyo centrifugal ñu ngi koy jëfandikoo bu baax ci wàllu petrochimie, chimie charbon, chimie bu baax, ak wàllu aar environmaa bi:
Petrochimie: Tube four buy xar, tube radiant reformer, ligne vapër yu am tàngoor wu metti.
Charbon Chimique: Tuyo yiy joxe gaz, kanal yiy jaar ci chaudière bi, tuyo yiy dugal/génne cyclone.
Chimik bu baax: Tube four buy toggu, jumtukaayi lakkkat yi, biir reactor yu am tàngoor wu metti.
Aar environmaa bi: Tube yiy lakk gaz combustion, desulfurisation/denitrification ci wàll yu am tàngoor wu metti.
Ci jëfandikoo yooyu yépp, ZG35Cr24Ni7SiN dafay joxe liggéey bu wóor ci 15-25% njëg bu gëna néew 2520 (HK40 / 1.4841).
5. ZG35Cr24Ni7SiN vs . 2520 (HK40 / 1.4841)
| Jumtukaay | ZG35Cr24Ni7SiN (Ni7N) | 2520 (ZG40Cr25Ni20Si2 / HK40 / 1,4841) |
|---|---|---|
| ëmbiitu nikel | 6–8% (Ni bu néew) | 18–22% (Ni bu yéeg) |
| Temp | 1050 ba 1100 degre | 1150 ba 1200 degre |
| Njëg jar | Njëg yu baax (benchmark) | 15–25% gëna rëy |
| Choc thermique | Excellent (tàmbali-dakkal bu bari) | Baax (tamperatiir bu dëgër bu dëgër) |
| Dafay baax | Lu néew wala lu tollu ci 1100 degre, jawwu ji am soufre/carburisation, ay projet yu xarañ ci njëg | >1100 degre, tàngoor wu metti, liggéey bu yàgg |
Conclusion: Ngir 95% ci aplikaasioŋu chimik yu am tàngoor wu yéeg ci suufu 1100 degre, ZG35Cr24Ni7SiN mooy tànneef bi gëna baax - joxe wóor gu méngoo ak 2520 ci njëg yu gëna néew.
Jokkoo ak nun
Soo amee laaj bu jëm ci tuyo centrifugal ZG35Cr24Ni7SiN, wala nga soxla ay pexe yu méngoo ak sa bëgg-bëgg ngir sa aplikaasioŋu chimik yu am tàngoor wu metti, jokkool ak nun:
Sitwebu liggéeyukaay bi:
Imeel:Hongsheng@hsmachineryparts.com
