Kab lus no muab cov kauj ruam qhia ntxaws -los ntawm - cov lus qhia kauj ruam los pab koj xaiv qhov tsim nyogHastelloy C2000 phajrau koj daim ntawv thov tshwj xeeb.
Kauj Ruam 1: Txhais koj qhov chaw ua haujlwm
Ua ntej ntsuas txhua yam khoom siv, koj yuav tsum ua kom meej meej qhov kev tshaj tawm corrosive, kev khiav hauj lwm kub, thiab kev ntxhov siab ntawm cov cuab yeej cuab tam koj cov cuab yeej yuav ntsib.
Hastelloy C2000 (UNS N06200) yog npib tsib xee -chromium- molybdenum alloy txawv los ntawm nws qhov kev xav tau tooj liab ntxiv (kwv yees li 1.6%), uas ua kom muaj zog tiv thaiv sulfuric acid. Txawm li cas los xij, nws tus nqi tseeb nyob hauv nws lub peev xwm tshwj xeeb los tiv thaiv oxidizing thiab txo qhov chaw ib puag ncig- muaj peev xwm ua kom nws sib nrug los ntawm cov tsoos C-276 thiab C-22 alloys.
Nug koj tus kheej cov lus nug tseem ceeb no:
|
Lus nug |
Vim Li Cas Nws Tseem Ceeb |
|
Puas muaj cov kua qaub (sulfuric, hydrochloric, hydrofluoric, nitric)? |
C2000 ua tau zoo hauv cov kua qaub sib xyaw, tshwj xeeb tshaj yog sulfuric- ib puag ncig nplua nuj |
|
Dab tsi yog qhov concentration ntau? |
Corrosion tus nqi sib txawv heev nrog concentration; siv iso- kos duab kos duab |
|
Qhov kev khiav hauj lwm kub yog dab tsi? |
C2000 ua tau zoo txog 600℃F (316 degree) rau kev pabcuam corrosion, txawm hais tias nws tuaj yeem tswj tau qhov kub thiab txias dua. |
|
Puas muaj chlorides lossis fluorides? |
C2000 muaj kev tiv thaiv tshwj xeeb rau chloride-induced stress corrosion cracking (SCC) |
|
Puas yog ib puag ncig oxidizing lossis txo? |
C2000 tuav ob qho tib si, ua rau nws zoo tagnrho rau cov txheej txheem uas cov xwm txheej hloov pauv |
Kauj Ruam 2: Txheeb xyuas Corrosion Resistance siv cov ntaub ntawv pov thawj
Tsis yog kev vam khom rau cov lus thov dav dav, siv cov ntaub ntawv ntau ntxiv los ntawm cov neeg tsim khoom alloy kom paub meej tias C2000 qhov kev ua tau zoo phim koj cov kev pabcuam tshwj xeeb.
Haynes International, tus tsim tawm ntawm Hastelloy C2000, muab iso- daim duab corrosion uas qhia txog tus nqi corrosion thoob qhov kub thiab txias ntau yam. Rau cov ntawv thov tseem ceeb, koj yuav tsum tsom tus nqi corrosion qis dua 0.1 mm / xyoo (4 mpy) rau kev ua haujlwm ntev -.
Cov ntaub ntawv tseem ceeb Corrosion Performance
|
Acid |
Nco ntsoov |
Kub |
Corrosion Rate |
|
Hydrochloric (HCl) |
Txog li 5% |
Boiling |
< 0.1 mm/year |
|
Hydrochloric (HCl) |
Txog li 20% |
Mus txog 150℃F (66 degree) |
< 0.1 mm/year |
|
Sulfuric (H₂SO₄) |
10–80% |
Mus txog 125℃F (52 degree) |
< 0.1 mm/year |
|
Hydrofluoric (HF) |
1–20% |
Mus txog 175℃F (80 degree) |
< 0.5 mm/year |
|
Hydrobromic (HBr) |
Txog li 20% |
Mus txog 175℃F (80 degree) |
< 0.1 mm/year |
Qhov tseem ceeb tshaj plaws: C2000 yog ib qho tshwj xeeb ntawm cov nickel alloys rau nws cov khoom siv tooj liab, uas muab kev tiv thaiv zoo heev rau sulfuric acid thaum tuav cov ntsiab lus siab chromium (23%) rau oxidizing tshuaj tiv thaiv. Qhov no ua rau nws tsim nyog tshwj xeeb rau cov ntawv thov uas muaj cov kua qaub sib xyaw uas cov xwm txheej tuaj yeem hloov pauv ntawm oxidizing thiab txo.
Kauj Ruam 3: Paub meej tias cov cuab yeej cuab tam yuav tsum muaj
Hastelloy C2000 daim hlau yuav tsum ua kom tau raws li cov cuab yeej cuab tam tshwj xeeb los xyuas kom muaj kev ncaj ncees raws li koj qhov kev ua haujlwm.
Tag nrho C2000 daim hlau yuav tsum tau muab rau hauv cov kev daws teeb meem -annealed mob, uas muab qhov zoo sib npaug ntawm corrosion kuj thiab txhua yam khoom. Cov khoom nram qab no sawv cev yam tsawg kawg nkaus rau ASTM B575:
|
Khoom |
Tus nqi |
Kev Xeem Xeem |
|
Tensile zog (Rm) |
Ntau dua lossis sib npaug rau 690 MPa (100 ksi) |
Rau batch |
|
Yield zog (Rp0.2) |
Ntau dua lossis sib npaug rau 283 MPa (41 ksi) |
Rau batch |
|
Elongation (A50 hli) |
Ntau dua lossis sib npaug li 45% |
Xyuas kom ductility rau kev tsim |
|
Hardness |
Tsawg dua lossis sib npaug rau 92 HRB (tus qauv) |
Txheeb xyuas qhov tsim nyog annealing |
Physical Properties for Design xam zauv
|
Khoom |
Tus nqi |
Sau ntawv |
|
Qhov ntom |
8.50 g / cm³ (0.307 lb / hauv³) |
Qhov tseem ceeb rau kev xam qhov hnyav |
|
Melting Range |
1350-1400 ° F (2460-2550 ° F) |
Ib qho tseem ceeb rau kev siv siab - kub |
|
Modulus ntawm Elasticity |
207 GPa (30 × 10³ ksi) |
Rau kev ntxhov siab thiab deflection xam |
|
Coefficient ntawm Expansion |
13.2 µm / m·℃(70-1000℃F ntau) |
Qhov tseem ceeb rau thermal stress design |
|
Thermal conductivity |
9.1–11.2 W/m·K |
Rau kev siv cua sov exchanger |
For thicker plates (>10mm): Koj yuav tsum qhia ntxiv Z-kev taw qhia (los ntawm-} tuab) kuaj kom tsis txhob lamellar tearing hauv cov pob qij txha welded heev.
Kauj Ruam 4: Xaiv qhov Qhov Loj thiab Qhov Ntsuas Zoo
C2000 daim hlau muaj nyob rau hauv ntau qhov ntev; Koj yuav tsum ua raws li cov no rau koj cov kev cai tsim khoom thaum lees paub tias kev kam ua raws li ASTM B906 tus qauv.
Standard Dimensional Muaj
|
Parameter |
Hom kab mob |
Sau ntawv |
|
Thickness |
3.0mm txog 200mm (0.125 "mus rau 8") |
Cov phaj hauv qab 3.0 hli feem ntau yog cais raws li daim ntawv |
|
Dav |
Mus txog 2500 mm (98 ") |
Ntau qhov dav muaj los ntawm kev txiav txim tshwj xeeb |
|
Ntev |
Txog li 6000mm (236 ") |
Kev cai ntev muaj |
|
Standard Sizes |
1000 × 2000, 1220 × 2440, 1500 × 3000 hli |
Cov khoom loj loj |
Dimensional kam rau ua (ASTM B906)
Txhua daim hlau yuav tsum ua raws li ASTM B906 qhov ntev ntev, uas tswj:
Thickness variations (feem ntau ± 0.25-0.50 mm nyob ntawm thickness)
Flatness (nws txawv los ntawm thickness; nruj dua rau nyias gauges)
Length thiab dav variations
Squareness thiab ntug tej yam kev mob
Kauj Ruam 5: Tshawb xyuas kev ua raws li cov qauv siv tau
Koj daim phiaj C2000 yuav tsum tau tsim, sim, thiab ntawv pov thawj raws li cov qauv kev lag luam tsim los xyuas kom meej cov khoom siv thiab kev taug qab.
Cov Khoom Siv Tseem Ceeb
|
Txuj |
Scope |
|
ASTM B575 / ASME SB575 |
Txheem specification rau npib tsib xee-chromium-molybdenum- hlau alloy phaj, ntawv, thiab sawb |
|
ASTM B574 |
Standard specification rau pas nrig thiab bar |
|
ASTM B 622 Cov khoom lag luam |
Standard specification rau seamless yeeb nkab thiab raj |
|
ASTM B564, 1 |
Standard specification rau forgings |
Cov qauv xeem ntxiv
|
Kuaj |
Txuj |
Lub hom phiaj |
|
Kev kuaj ultrasonic |
ASTM A578 / A435 / ASTM A578 / ASTM A578 / ASTM A578 / TS |
Txheeb xyuas qhov tsis xws luag hauv cov phaj tuab |
|
Kev kuaj Corrosion |
ASTM G28 (Txoj Kev A) |
Txheeb xyuas qhov cuam tshuam ntawm intergranular corrosion |
|
Tshuaj ntsuam xyuas |
- |
Paub meej tias muaj pes tsawg leeg hauv UNS N06200 txwv |
Kauj Ruam 6: Txheeb xyuas cov ntaub ntawv muab khoom siv thiab kev taug qab
Koj yuav tsum tau ua kom tiav cov ntaub ntawv traceability thiab xeem cov ntaub ntawv los ntawm koj tus neeg muag khoom kom paub meej tias cov phaj xa tuaj phim koj cov specifications.
Daim ntawv teev cov ntaub ntawv xav tau
|
Cov ntaub ntawv |
Lub hom phiaj |
|
Mill Test Certificate (MTR) |
EN 10204 3.1 lossis 3.2; lees paub tshuaj ntsuam xyuas thiab cov khoom siv kho tshuab |
|
Thaum tshav kub kub/Lot Number |
Ua kom traceability ntawm cov phaj tiav rov qab mus rau qhov qub yaj |
|
Thib peb-Cov Ntawv Qhia Txog Kev Tshawb Fawb |
Kev xaiv tab sis pom zoo rau cov ntawv thov tseem ceeb (DNV-GL, BV, SGS) |
|
Positive Material Identification (PMI) |
Txheeb xyuas cov ntawv pov thawj sib xyaw ua ke |
|
Dimensional Inspection Report |
Paub meej tias phaj qhov ntev raws li qhov yuav tsum tau ua |
Cov ntsiab lus pov thawj tseem ceeb: Xyuas kom MTR lees paub tias cov ntsiab lus tooj liab (Cu) nyob nruab nrab ntawm 1.30–1.90% thiab chromium (Cr) ntawm 22.0–24.0%-cov no yog cov ntsiab lus ntawm C2000 uas sib txawv ntawm lwm cov C-series alloys.
Kauj Ruam 7: Xav txog Fabrication thiab Welding Requirements
Koj qhov kev xaiv phaj yuav tsum suav rau kev tsim thiab vuam txheej txheem uas yuav tsum tau ua rau koj qhov kawg tivthaiv, vim tias kev tsim khoom tsis raug tuaj yeem cuam tshuam kev tiv thaiv corrosion.
Kev txiav txim siab vuam
C2000 daim hlau tau yooj yim weldable siv cov txheej txheem txheej txheem, tab sis kev ceev faj tshwj xeeb yog tsim nyog:
|
Kev xav tau |
Specification |
Yog vim li cas |
|
Filler Hlau |
ERNiCrMo-17 (AWS A5.14) |
Matches alloy muaj pes tsawg leeg rau corrosion kuj |
|
Interpass Temperature |
Tsawg dua lossis sib npaug li 100℃(212℃F) |
Precludes rhiab heev thiab tswj corrosion kuj |
|
Tshaj tawm -Kev kho cua sov |
Feem ntau tsis tas yuav tsum tau |
C2000 yog resistant rau grain ciam nag los nag |
|
Kev daws tag nrho Annealing |
1120-1170℃(2050-2140℃F) ua raws li dej quench |
Yuav tsum tau tom qab hnyav ua hauj lwm txias los yog rau siab tshaj plaws corrosion kuj |
Tsim kev txiav txim siab
Kev tsim kub: Pom zoo ntau yam yog 900-1080℃(1650-1980℃F); txias sai sai tom qab tsim.
Cold forming: C2000 yog ductile thiab tuaj yeem tsim txias; account rau kev ua hauj lwm hardening.
Nto tiav: Qhia kom pickled (Tsis muaj . 1 tas) kom tshem tawm zeb nplai; zam cov pa roj carbon steel.
Kauj Ruam 8: Cia thiab tuav
Kev khaws cia kom zoo tiv thaiv kev sib kis ntawm qhov chaw uas tuaj yeem cuam tshuam kev tiv thaiv corrosion ua ntej lub phaj txawm nkag mus rau kev pabcuam.
|
Kev xav tau |
Kev ua |
|
Tsis txhob sib cuag carbon steel |
Khaws cais los ntawm carbon thiab stainless hlau; siv cov racks tshwj xeeb |
|
Tiv thaiv los ntawm chlorides |
Npog daim hlau nyob rau hauv ntug dej hiav txwv los yog kev lag luam ib puag ncig; tsis txhob raug ntsev |
|
Ua kom huv huv |
Tshem tawm cov khoom txawv teb chaws ua ntej vuam los yog tsim |
Kauj Ruam 9: Ua Qhov Kev Ntsuas Kawg
Rau cov ntawv thov tseem ceeb, koj yuav tsum xav txog qhov tsim nyog rau cov phiaj xwm tiag tiag los siv ua ntej puv -scale fabrication pib.
Pom zoo kev xeem ntawv:
Corrosion daim coupon kuaj: kuaj cov qauv hauv koj qhov chaw ua haujlwm tiag tiag thaum ua tau.
Welder qualification: Certificate welders siv cov khoom siv hlau tshwj xeeb thiab cov txheej txheem.
Tsis yog -kev kuaj xyuas kev puas tsuaj: Xav txog UT ntawm qhov tseem ceeb ua ntej thiab tom qab kev tsim khoom.
Vim li cas thiaj xaiv Jinie Hastelloy C2000 Phaj rau koj qhov project?
Peb lub Hoobkas tsim tsim Hastelloy C2000 daim hlau kom ua tiav ASTM thiab ASME cov qauv nrog daim ntawv pov thawj tag nrho thiab traceability. Peb npaj txhij los txhawb koj cov txheej txheem xaiv cov khoom nrog kev txawj ntse, cov ntaub ntawv corrosion, thiab cov khoom zoo. Rau cov ntawv thov uas xav tau kev tiv thaiv corrosion zoo tshaj hauv cov tshuaj lom neeg hnyav, Hastelloy C2000 muab cov pov thawj ua tau zoo thaum xaiv thiab siv kom raug.
Tiv tauj peb pab neeg muag khoomrau koj Hastelloy C2000 phaj nqi.
