Nickel 200 thiab Nickel 201 yog cov muaj feem xyuam zoo nkauj nickel alloys, uas cuam tshuam nrog lawv cov kev ua tau zoo ntawm cov khoom siv roj carbon monoxide he}}} hauv qab yog cov ncauj lus piav qhia:
Cov ntsiab lus tseem ceeb nyob hauv lawv cov ntsiab lus carbon, nrog qhov sib txawv me me hauv lwm cov kab:
| Lub ntsiab |
Nickel 200 (tsis yog N02200) |
Nickel 201 (Tsis Yog N02201) |
| Npib tsib caug (ni) |
Ntau dua los yog sib npaug rau 99.0% (tsawg kawg nkaus) |
Ntau dua los yog sib npaug rau 99.0% (tsawg kawg nkaus) |
| Carbon (c) |
Tsawg dua los yog sib npaug rau 0.15% (siab tshaj) |
Tsawg dua los yog sib npaug rau 0.02% (siab kawg) |
| Hlau (FE) |
Tsawg dua los yog sib npaug rau 0.40% (ntau tshaj) |
Tsawg dua los yog sib npaug rau 0.40% (ntau tshaj) |
| Tooj Liab (Cu) |
Tsawg dua los yog sib npaug rau 0.25% (siab tshaj) |
Tsawg dua los yog sib npaug rau 0.25% (siab tshaj) |
| Manganese (mn) |
Tsawg dua los yog sib npaug rau 0.35% (siab tshaj) |
Tsawg dua los yog sib npaug rau 0.35% (siab tshaj) |
| Silicon (si) |
Tsawg dua los yog sib npaug rau 0.35% (siab tshaj) |
Tsawg dua los yog sib npaug rau 0.35% (siab tshaj) |
| Sulphur (s) |
Tsawg dua los yog sib npaug rau 0.01% (siab kawg) |
Tsawg dua los yog sib npaug rau 0.01% (siab kawg) |
Nickel 200: Muaj txog li 0 {.}} 15% carbon, ua rau nws tsis tshua muaj pa me me ntawm cov ntsiab lus carbon.
Nickel 201: Ib qho "Tsawg-carbon" Ntau Yam Siab, nrog cov pa roj carbon ua kom nruj rau 02}}
Nyob rau hauv chav tsev kub, lawv cov khoom siv tshuab yog ze li ntawm cov qib carbon ntau lossis kev sib txawv ntawm cov xwm txheej muaj zog:
| Ntiag tug |
Nickel 200 (anealed) |
Nickel 201 (anealed) |
| Lub zog tensile |
310-550 MPa (45-80 ksi) |
310-550 MPa (45-80 ksi) |
| Tawm Zog (0.2% offset) |
103-276 MPa (15-40 KSI) |
103-276 MPa (15-40 KSI) |
| Elongation (hauv 50 hli) |
40–50% |
40–50% |
| Hardness (Brinell) |
50-80 HB |
50-80 HB |
Qhov tseem ceeb sib txawv tawm ntawm cov chaw kub, qhov twg cov ntsiab lus carbon cuam tshuam "Graphitization" (ib daim ntawv ntawm kev ua kom degradation) thiab kev ruaj ntseg ruaj khov {}}
Qhov tshwj xeeb tshaj plaws qhov sib txawv ntawm ob lub alloys yog lawv tus cwj pwm nyob rau hauv high-.}}}}, hydrogen-nplua nuj):
Nickel 200: nws cov ntsiab lus carbon ntau dua (txog 0 .}}}}} Cov khoom siv tsawg dua ntawm cov qauv . qhov no tuaj yeem ua rau embrittlement, tawg, lossis tsis ua tiav hauv kev pab kub siab.
Nickel 201: nrog nws cov ntsiab lus roj teeb roj carbon ntau (tsawg dua lossis sib npaug ntawm kev ~ 600} (e {{{{10} g {.}, tshuaj lom neeg nrog hydrogen roj, cua sov kho cov cua ntub).
Ob alloys muaj cov kev tiv taus corrosion zoo tshaj plaws nyob rau hauv ntau cov chaw, suav nrog:
Alkaline daws (e {{{0} g .}, caustic dej qab zib hydroxide).
Organic acids thiab cov kuab tshuaj .
Dej nag, dej hiav txwv, thiab cov huab cua sov .
Txawm li cas los xij, npib tsib xee tshiab muab cov ntsiab lus hauv cov pa hluav taws xob muab cov khoom siv huv si (e {{}
ASTM Cov Qauv:
Ob lub alloys tau them los ntawm cov qauv ASTM, suav nrog:
ASTM B162 (daim hlau, ntawv, strips) .
ASTM B163 (Seamless kav thiab yas) .
ASTM B165 (welded kav dej thiab yas) .
ASTM B564 (Forged fittings) .
6. daim ntaub ntawv:
Nickel 200: nyiam rau cov ntawv thov ambient lossis nruab nrab-ntsuas kub uas muaj kev pheej hmoo siab tsis muaj kev pheej hmoo, xws li:
Alkaline roj teeb li .
Tshuaj lom neeg tso tsheb hlau luam (rau cov kev pab cuam tsis-kub) .
Cov khoom siv hluav taws xob (e {{. g ., cov leeg, lub tshuab nqus tsev) {}
Marine kho vajtse .
Nickel 201: siv nyob rau hauv high-kub, txo qhov chaw ib puag ncig lossis cov chaw dawb huv, suav nrog:
Hydrogen ua cov khoom siv (e {{{0} g .}}}}}} {.
Cov Hluav Taws Xob Tshav Kub Hauv Petrochemical Nroj Tsuag .
High-purity cov dej tshuab (e {{{1} g ., nuclear zog).
Kws tshuaj kho thiab khoom lag luam ua tshuab (kom tsis txhob muaj cov pa paug) {.
Cov tub ntxhais muaj qhov sib txawv ntawm Nickel 200 thiab Nickel 201 yog lawv cov ntsiab lus carbon:}}}}} {{{{} 02% carbon. Qhov no ua rau Nickel 201 far tiv taus cov kev siv hluav taws xob kom muaj kev txo qis lossis qis dua (me ntsis corrosion |
