Tooj xovxwm fittings thiab stainless hlau xovxwm fittings yog ob qho tib si nrov kev xaiv rau cov kav dej thiab cov kav dej, tab sis lawv txawv heev ntawm cov khoom siv, kev siv, qhov zoo, thiab kev txwv. Nov yog qhov kev sib piv ntxaws:
1. Khoom siv:
Copper Press Fittings:
Ua los ntawm tooj liab, hlau paub txog nws zoo heev thermal conductivity, corrosion kuj, thiab antibacterial zog.
Copper fittings feem ntau alloyed nrog me me ntawm lwm yam hlau xws li zinc los yog tin los txhim kho lub zog thiab durability.
Stainless hlau xovxwm Fittings:
Ua los ntawm stainless hlau, ib qho alloy feem ntau muaj hlau, carbon, thiab chromium (feem ntau 10.5% los yog ntau tshaj ntawm chromium), uas muab nws corrosion kuj.
Tej zaum yuav suav nrog cov ntsiab lus ntxiv xws li npib tsib xee lossis molybdenum los txhim kho cov khoom tshwj xeeb xws li corrosion kuj lossis lub zog.
2. Corrosion Resistance:
Copper Press Fittings:
Ib txwm tiv taus corrosion hauv ntau qhov chaw tab sis tuaj yeem raug cuam tshuam rau corrosion nyob rau hauv acidic los yog alkaline heev, los yog thaum raug rau tej yam tshuaj.
Sij hawm dhau mus, tooj liab tuaj yeem txhim kho patina, txheej txheej ntsuab uas tuaj yeem tiv thaiv cov hlau hauv qab tab sis tej zaum yuav tsis xav tau hauv qee yam kev siv.
Stainless hlau xovxwm Fittings:
Superior corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv hnyav ib puag ncig xws li marine, industrial, los yog cov cheeb tsam uas muaj chloride siab.
Resistant rau rusting thiab staining, ua rau nws haum rau lub sij hawm ntev raug rau ya raws los yog aggressive tshuaj.
3. Mechanical Properties:
Copper Press Fittings:
Softer thiab ntau malleable dua stainless hlau, uas ua rau nws yooj yim mus ua hauj lwm nrog nyob rau hauv cov nqe lus ntawm khoov thiab haum haum.
Nws muaj zog tensile qis dua piv rau cov hlau tsis muaj steel, txhais tau tias nws yooj yim dua rau deformation hauv kev ntxhov siab.
Stainless hlau xovxwm Fittings:
Lub zog tensile siab dua thiab hardness, ua rau nws ruaj thiab tsis tshua muaj deformation nyob rau hauv siab siab los yog mechanical stress.
Ntau resistant rau lub cev puas tsuaj xws li dents los yog khawb.
4. Thermal conductivity:
Copper Press Fittings:
Cov thermal conductivity zoo heev, uas ua rau tooj liab zoo tagnrho rau siv hauv cov cua sov, tub yees, thiab cua txias.
Pab hauv kev hloov hluav taws xob zoo, txo lub zog poob.
Stainless hlau xovxwm Fittings:
Tsawg thermal conductivity piv rau tooj liab, ua rau nws tsis tshua muaj txiaj ntsig rau cov ntawv thov uas qhov kev hloov hluav taws xob tseem ceeb heev.
Txawm li cas los xij, nws qis dua thermal expansion tuaj yeem ua tau zoo hauv qee yam kev siv.
5. Daim ntawv thov:
Copper Press Fittings:
Feem ntau siv nyob rau hauv potable dej systems, cua sov systems, thiab tub yees.
Zoo tagnrho rau cov kav dej hauv tsev thiab lub teeb lag luam, tshwj xeeb tshaj yog qhov tseem ceeb ntawm thermal conductivity.
Dav siv nyob rau hauv kev kho mob roj systems vim nws cov antibacterial zog.
Stainless hlau xovxwm Fittings:
Feem ntau siv nyob rau hauv industrial, marine, thiab tshuaj ua daim ntaub ntawv qhov twg corrosion kuj tseem ceeb heev.
Tsim nyog rau cov tshuab hluav taws xob siab, kev teeb tsa roj av, thiab qhov chaw nruj heev.
Siv nyob rau hauv kev lag luam vaj tse thiab infrastructure tej yaam num vim nws durability thiab ntev.
6. Kev teeb tsa:
Copper Press Fittings:
Yooj yim rau txiav thiab zoo, tab sis softer, uas yuav tsum tau ceev faj tuav kom tsis txhob muaj kev puas tsuaj.
Kev teeb tsa feem ntau yog ncaj nraim tab sis yuav xav tau cov cuab yeej tshwj xeeb rau kev nias.
Stainless hlau xovxwm Fittings:
Cov khoom siv nyuaj ua rau kev txiav thiab shaping nyuaj dua, thiab nws yuav xav tau cov cuab yeej muaj zog dua.
Nias yuav tsum muaj zog ntau dua, tab sis ib zaug ntsia, cov fittings muab kev sib txuas muaj zog thiab ruaj khov.
7. Tus nqi:
Copper Press Fittings:
Feem ntau pheej yig dua stainless hlau, tab sis cov nqi tuaj yeem hloov pauv raws li kev lag luam rau tooj liab.
Tus nqi qis dua vim qhov yooj yim ntawm kev tuav thiab kev teeb tsa.
Stainless hlau xovxwm Fittings:
Feem ntau kim dua vim cov khoom siv thiab cov ntsiab lus ntxiv hauv cov alloy.
Cov nqi siab dua rau kev teeb tsa vim qhov xav tau ntawm cov cuab yeej tshwj xeeb thiab kev ua haujlwm ntau dua.
8. Lifespan thiab Durability:
Copper Press Fittings:
Ntev lifespan, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig uas tsis dhau acidic los yog alkaline.
Ua rau corrosion nyob rau hauv tej yam kev mob, uas yuav txo tau lifespan.
Stainless hlau xovxwm Fittings:
Lub neej ntev, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav.
Muaj kev ruaj khov thiab tiv taus ntau hom kev xeb, ua rau nws tsim nyog rau kev siv mus ntev.
9. Kev cuam tshuam ib puag ncig:
Copper Press Fittings:
Tooj liab yog cov khoom siv rov ua dua tshiab thiab muaj cov pa roj carbon tsawg dua hauv kev tsim khoom piv rau cov hlau tsis muaj steel.
Txawm li cas los xij, mining thiab refining tooj liab tuaj yeem muaj kev cuam tshuam rau ib puag ncig.
Stainless hlau xovxwm Fittings:
Kuj tseem recyclable, tab sis cov txheej txheem ntau lawm yog ntau zog-intensive vim cov txheej txheem alloying.
Stainless hlau lub durability thiab lub neej ntev tuaj yeem cuam tshuam nws cov kev cuam tshuam ntau dua ib puag ncig lub sijhawm.
10. Kev txiav txim siab thiab kev nyab xeeb:
Copper Press Fittings:
Kev lees paub dav dav rau cov dej siv tau zoo vim nws cov khoom bacteriostatic, uas inhibit cov kab mob loj hlob.
Ua raws li ntau yam kev noj qab haus huv thiab kev nyab xeeb thoob ntiaj teb rau kev siv hauv cov kav dej hauv tsev.
Stainless hlau xovxwm Fittings:
Pom zoo siv rau ntau yam kev siv, suav nrog dej haus thiab roj.
Feem ntau nyiam nyob rau hauv kev lag luam uas muaj tshuaj lom neeg kev nyab xeeb thiab kev nyiam huv yog qhov tseem ceeb.
Cov ntsiab lus:
Copper Press Fittingsyog qhov zoo tshaj plaws rau cov kav dej hauv tsev thiab lub teeb lag luam, tshwj xeeb tshaj yog nyob rau hauv cov tshuab uas thermal conductivity thiab antibacterial zog tseem ceeb. Lawv yog cov nqi-zoo, ib qho yooj yim rau nruab, thiab muab zoo corrosion kuj nyob rau hauv nruab nrab ib puag ncig.
Stainless hlau xovxwm Fittingsyog qhov zoo dua rau kev lag luam, kev lag luam, thiab cov tshuab ua haujlwm siab, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig uas muaj kev tiv thaiv corrosion tseem ceeb. Lawv muaj kev ruaj khov thiab muaj lub neej ntev dua, tab sis lawv tuaj ntawm tus nqi siab dua thiab xav tau kev txhim kho tshwj xeeb ntxiv.
Qhov kev xaiv ntawm ob qho tib si yuav nyob ntawm ntau qhov kev xav tau ntawm daim ntawv thov, suav nrog ib puag ncig, kev ntxhov siab, kev siv nyiaj txiag, thiab kev xav tau kev ua haujlwm ntev.
Hauv qab no yog cov lus qhia ntxaws ntxaws piv rau tooj liab xovxwm fittings thiab stainless hlau xovxwm fittings raws li ntau yam khoom, nrog rau cov qauv tsim nyog.
Cov ntaub ntawv sib piv: tooj liab xovxwm fittings vs. Stainless hlau xovxwm Fittings
| Khoom | Copper Press Fittings | Stainless hlau xovxwm Fittings |
|---|---|---|
| Khoom siv | Copper (Cu), qee zaum alloyed nrog Zn lossis Sn | Stainless hlau (Iron, Carbon, Chromium, Nickel, Molybdenum) |
| Corrosion Resistance | Nruab nrab; susceptible rau acidic/alkaline ib puag ncig | Zoo heev; siab tiv thaiv xeb, chloride, thiab cov tshuaj hnyav |
| Thermal conductivity | ~ 385 W / m·K (ntawm 20 degree) | ~15-25 W/m·K (vary los ntawm alloy, eg, 304 SS) |
| Mechanical Properties | Tensile zog: ~ 210 MPa | Tensile zog: ~515-1000 MPa (nyob ntawm qib) |
| Tawm Zog: ~ 70 MPa | Yield zog: ~205-690 MPa (nyob ntawm qib) | |
| Kev ua haujlwm siab tshaj plaws | Txog li 200 psi (nyob ntawm qhov loj thiab phab ntsa thickness) | Txog 232 psi lossis siab dua (nyob ntawm qhov loj thiab qib) |
| Ua haujlwm kub siab tshaj plaws | Feem ntau mus txog 200 degree (392 degree F) | Feem ntau mus txog 200 degree (392 degree F) lossis siab dua nyob ntawm alloy |
| Thermal Expansion Coefficient | ~16.5 x 10^-6 /K | ~16.0 x 10^-6 /K (rau 304 SS) |
| Qhov hnyav (Density) | 8.96 g / cm³ | 7.85 g / cm³ |
| Daim ntawv thov | Cov dej haus, cua sov tshuab, kev kho mob roj | Industrial, marine, tshuaj, roj systems |
| Txoj Kev Txhim Kho | Xovxwm yuav tsum tau, kuj yooj yim rau txiav thiab nias | Xovxwm uas yuav tsum tau muaj, nyuaj rau txiav thiab nias |
| Nqi | Feem ntau qis dua | Feem ntau siab dua |
| Kev ua neej nyob | 20-50 xyoo (nws txawv raws li ib puag ncig) | 50+ xyoo, tshwj xeeb tshaj yog nyob rau hauv ib puag ncig hnyav |
| Kev rov ua dua tshiab | Siab | Siab |
| Kev Ua Raws Cai | ASTM B88, ASTM B75, EN 1057 | Txuj: ASTM A312, ASTM A403, EN 10312 |
Cov txheej txheem ntxaws:
Copper Press Fittings:
ASTM B88 Cov Lus Qhia:Standard Specification rau Seamless Copper Dej Tube.
Npog cov qauv kev cai rau seamless tooj liab raj siv nyob rau hauv cov dej thiab faib tshuab.
Qhia qhov ntev, phab ntsa thickness, thiab txhua yam khoom rau cov raj tooj liab.
ASTM B75 Cov Lus Qhia:Standard Specification rau Seamless Copper Tube.
Npog ntau yam tooj liab alloys siv rau kev tsim vaj tsev dav dav.
Txhais qhov ntev, mechanical zog, thiab cov txheej txheem annealing.
TS EN 1057:Copper thiab tooj liab alloys - Seamless, round tooj liab raj rau dej thiab roj hauv kev huv thiab cua sov.
Cov txheej txheem European tshwj xeeb uas yuav tsum tau ua rau cov raj tooj liab npaj rau kev xa dej thiab roj.
Stainless hlau xovxwm Fittings:
ASTM A312 Txuj:Standard Specification rau Seamless, Welded, thiab hnyav hnyav ua hauj lwm Austenitic Stainless hlau kav.
Npog cov qauv kev qhia tshwj xeeb rau cov kav dej austenitic stainless hlau siv nyob rau hauv high-temperature thiab corrosive kev pab cuam.
ASTM A403 Cov Lus Qhia:Standard Specification rau Wrought Austenitic Stainless Steel Piping Fittings.
Txhais cov kev cai rau wrought stainless hlau fittings ntawm austenitic qib npaj rau siab piping daim ntaub ntawv.
TS EN 10312:Welded stainless hlau raj rau conveyance ntawm aqueous kua xws li dej rau tib neeg noj.
European tus qauv qhia cov kev cai rau welded stainless hlau raj siv nyob rau hauv cov kav dej thiab cua sov daim ntaub ntawv.
Kev txiav txim siab ntxiv:
Copper Fittings:Kev ua raws li cov cai tswj kev nyab xeeb dej haus feem ntau yuav tsum tau ua, xws li NSF / ANSI 61 rau cov dej haus.
Stainless hlau Fittings:Feem ntau yuav tsum tau ua raws li ISO cov qauv siv rau hauv cov zaub mov, tshuaj, thiab tshuaj lag luam vim lawv inertness thiab corrosion kuj.
Cov ntsiab lus:
Cov ntaub ntawv no thiab cov qauv sib txuas muab cov ncauj lus kom ntxaws sib piv ntawm tooj liab thiab stainless hlau xovxwm fittings. Kev xaiv ntawm ob cov ntaub ntawv yuav tsum tau ua raws li kev thov tshwj xeeb, suav nrog cov xwm txheej ib puag ncig, kev ntxhov siab ntawm kev siv tshuab, thiab kev ua raws li kev tswj hwm.