CuZn20Al2 / CW702R / CZ110 / 2.0460 – Product Overview
GNEEsawv ua ib lub chaw tsim khoom tseem ceeb thiab cov khoom lag luam ntawm sab saum toj - zooaluminium brass seamless rajua raws liASTM B111 / ASME SB111. Kev cog lus rau kev ua tau zoo, peb lav pebC68700 alloy tubingntsib qhov siab tshajcorrosion kuj, thermal conductivity, thiabmechanical zogqauv. Peb lub xeev- ntawm-- cov txheej txheem tsim khoom lag luam thiab cov kev tswj xyuas nruj nruj kom ntseeg tau tias muaj kev ntseeg siab thiab sib xws hauv txhua qhovaluminium tooj dag condenser tubeua.
XaivGNEErau superiorUNS C68700 kub exchanger tubinguas ua tau raws li koj qhov kev qhia tshwj xeeb thiab tshaj qhov koj xav tau.
Cov yam ntxwv tseem ceeb ntawm Aluminium Brass C68700 (CuZn20Al2)
Aluminium Brass Alloy C68700 (EN CW702R / BS CZ110)yog ib qho tshwj xeeb tooj liab-zinc-aluminium sib xyaw nrogsiab corrosion kujthiabzoo heev thermal conductivity. Cov nodezincification resistant rajfeem ntau yog siv nyob rau hauv ntau industries, xws li:
Petrochemical kev lag luam
Cov nroj tsuag tsim hluav taws xob
Kev siv dej hiav txwv
Desalination nroj tsuag
HVAC systems
Refineries
Qhov zoo tshaj plaws feature ntawm2.0460 txhuas tooj dag rajyog lawvlub zog zoo hauv kev tiv thaiv corrosion hauv dej hiav txwvthiab lwm yam hnyav ib puag ncig. Qhov no ua rau lawv zoo tagnrho raukev siv dej hiav txwvxws linto condenser, plhaub thiab raj kub exchangers, thiabdej ntsev piping systems.
Txhawm rau tiv thaiv corrosion,CW702R seamless tubingkuj nthuav tawmzoo thermal conductivity, ua rau lawv haum rauKev siv cua sov hloov musqhov twg yuav tsum tau thermal exchanger.
Specifications ntawm CuZn20Al2 Seamless Tubes (UNS C68700)
| Specification Parameter | Ntau / Paub meej |
|---|---|
| Txuj | ASTM B111 / ASME SB111 |
| UNS Number | C68700 |
| EN npe | CW702R / CuZn20Al2 |
| BS npe | CZ110 |
| DIN npe | 2.0460 |
| JIS npe | C6870 T |
| Sab nraud | 4mm txog 150mm |
| Phab ntsa Thickness | 0.25mm txog 8mm |
| Tube Hom | Seamless / Kub Exchanger Tubes / Condenser Tubes |
| Daim ntawv | Hloov, Square, Rectangular, Hydraulic |
| Ntev | 1m, 2m, 3m, 4m, 6m thiab raws li cov neeg siv khoom xav tau |
| Txiav Ntev | Ib qho Random, Ob Chav Random & Txiav Ntev |
| Daim ntawv thov | Thaum tshav kub kub Exchangers, refineries, fais fab nroj tsuag, Desalination Cog |
Tau Txais Cov Qauv Dawb & Kev Ntsuas
Cov qauv sib npaug rau Aluminium Brass Condenser Tube (UNS C68700)
| Txuj | Lub npe |
|---|---|
| UNS (USA) | C68700 |
| ASTM / ASME Cov | B111 / SWB 111 |
| ISO | CuZn20Al2 |
| EN (Tebchaws Europe) | CuZn20Al2 / CW702R |
| BS (British) | TSI 110 |
| DIN (Lub teb chaws Yelemees) | 2.0460 |
| JIS (Japanese) | C6870 T |
| Lavxias teb sab (GOST) | LAMs77-2-0.05 |
Tshuaj muaj pes tsawg leeg ntawm Seawater Resistant Alloy C68700 (UNS C68700)
| Element | UNS C68700 Cov ntsiab lus (%) | CW702R / CuZn20Al2 (%) |
|---|---|---|
| Copper (Cu) | 76.0 – 79.0 | 76.0 – 79.0 |
| Aluminium (Al) | 1.8 – 2.5 | 1.8 – 2.3 |
| Zinc (Zn) | Tshuav | Tshuav |
| Lead (Pb) | 0.07 max | 0.07 max |
| Hlau (Fe) | 0.06 max | 0.06 max |
| Manganese (Mn) | 0.02 – 0.06 | – |
| Arsenic (As) | 0.02 – 0.06 | 0.02 – 0.06 |
Mechanical Properties ntawm ASTM B111 C68700 Seamless Tubing
| Khoom | Tus nqi |
|---|---|
| Tensile zog (min) | 345 MPa (50 ksi) |
| Yield zog (min) | 125 MPa (18 ksi) |
| Hardness (HV5) | 150 feeb |
| Annealing kub | Tshaj 650 degree |
| Elongation | 45% min |
Lub cev muaj zog ntawm Dezincification Resistant Brass C68700
| Khoom | Tus nqi |
|---|---|
| Qhov ntom | 8.33 g / cm³ (0.301 lb / in³ ntawm 68℃F) |
| Melting Point (Solidus) | 1710℃F (932 degree) |
| Melting Point (Liquidus) | 1780℃F (971 degree) |
| Thermal conductivity | 58.0 BTU·in/hr·ft²·℃F @ 68℃F (100.4 W/m·K @ 20 degree) |
| Coefficient ntawm Thermal Expansion | 10.3 × 10⁻⁶ ib℃F (68-572℃F) |
| Hluav taws xob conductivity | 23% IACS @ 68℃F |
| Hluav taws xob Resistivity | 45.1 ohms -cmil/ft @ 68℃F |
| Modulus ntawm Elasticity (Tension) | 16 000 ksg |
| Modulus ntawm Rigidity | 6 000 ksg |
| Specific Gravity | 8.33 |
| Tshwj xeeb kub muaj peev xwm | 0.09 Btu / lb /℃F @ 68℃F |
Kev tsim cov txheej txheem ntawm CuZn20Al2 Seamless Condenser Tubes
Kev tsim khoom ntawm2.0460 txhuas tooj dag rajsuav nrog cov kauj ruam hauv qab no:
| Kauj ruam | Txheej txheem piav qhia |
|---|---|
| 1. Melting & Casting | Cov khoom siv raw (tooj liab, txhuas, zinc, arsenic) yog yaj thiab muab pov rau hauv daim ntawv billet |
| 2. Extruding, Drawing & Pilgering | Lub billet yog extruded, kos, los yog pilgered kom ua tiav qhov ntev xav tau |
| 3. Annealing | Kev kho cua sov siab tshaj 650℃kom ua tiav cov khoom siv kho kom zoo |
| 4. Txiav | Cov raj raug txiav rau qhov ntev |
| 5. Ntim & Tshuaj xyuas | Kev soj ntsuam zoo kawg thiab ntim raws li cov neeg siv khoom xav tau |
Hom CW702R Aluminium Brass Tubes (UNS C68700)
GNEEmuaj ntau homaluminium brass tubesua raws liASTM B111 / EN CW 702R:
| Tube Hom | Kev piav qhia |
|---|---|
| Round Tubes | Txheem puag ncig zoo rau kev siv dav dav |
| Seamless Tubes | Tsis muaj welded seam, zoo tagnrho rau kev siv siab -siab |
| Condenser Tubes | Tshwj xeeb tsim raufais fab nroj tsuag nto condensers |
| Thaum tshav kub kub Exchanger Tubes | Optimized rauthermal hloov efficiencynyob rau hauv lub plhaub thiab lub raj kub exchangers |
| Square Tubes | Rau cov qauv thiab kev siv tshwj xeeb |
| Rectangular Tubes | Rau kev cai muaj daim ntaub ntawv |
| Polished Tubes | Nto tiav rau kev zoo nkauj lossis tshwj xeeb uas yuav tsum tau ua |
Daim ntawv thov kev lag luam rau CZ110 Aluminium Brass Tubing
BS CZ110 / UNS C68700 / EN CW702Rtubes yog siv dav hauv kev lag luam hauv qab no:
| Kev lag luam | Cov ntawv thov tshwj xeeb |
|---|---|
| Lub zog tiam | Condenser tubes, dej txias tshuab, turbine condensers |
| Kev lag luam marine | Cov kav dej hiav txwv,kub exchangers, ballast systems |
| Desalination Nroj tsuag | Evaporator tubes, distiller raj, brine rhaub |
| Petrochemical & Refineries | Cov khoom siv hluav taws xob hloov hluav taws xob, txheej txheem kav dej, cua txias |
| HVAC | Cua sov, qhov cua, cua txias coils thiab chiller raj |
| Fertilizer Nroj tsuag | Cov txheej txheem cov khoom siv thiab cov khoom siv hluav taws xob |
Qhov tseem ceeb ntawm Impingement Attack Resistant C68700 Tubes
Siab tiv thaiv impingement nres- zoo tagnrho rau siab - dej hiav txwv ceev tshaj 2.5 m/s
Zoo heev corrosion kujnyob rau hauv marine, dej ntsev, thiab dej brackish ib puag ncig
Zoo thermal conductivity (100.4 W / m·K)rau kev sib pauv cua sov kom zoo
Lub teebpiv rau ntau lwm yam tooj liab alloys
Siab qis -kub muaj zograu kev siv cryogenic
Resistant dezincificationvim aluminium thiab arsenic ntxiv
Yooj yim rau fabricate- tuaj yeem raug soldered, brazed, lossis welded
Lub neej ua haujlwm ntevnyob rau hauv ib puag ncig hnyav, txo cov kev xav tau kev saib xyuas
FAQ
1. Dab tsi yog qhov txawv ntawm UNS C68700 (Aluminium Brass) thiab UNS C70600 (Copper-Nickel) rau fais fab nroj tsuag condenser raj?
UNS C68700yog ibaluminium alloy qhov roojmuaj 76-79% tooj liab thiab 1.8-2.5% aluminium, muabzoo heev tiv taus siab -ceev seawater impingement. UNS C70600yog a90/10 tooj liab -nickel alloynrog 88% tooj liab thiab 10% nickel, nyiam rausuperior tsis kam rau dav seawater corrosion thiab biofouling. Raucondenser raj hauv cov chaw tsim hluav taws xobnrog cov dej txias tshaj tawm saum toj no2.5 m/s, xaivC68700 txhuas hlau. Raumarine piping systemsqhov twg biofouling yog ib qho kev txhawj xeeb, xaivC70600 tooj liab -nickel.
2. Dab tsi yog EN thiab DIN sib npaug qib rau UNS C68700 txhuas tooj dag seamless raj?
Cov European sib npaug rauUNS C68700yogEN CW702R (CuZn20Al2As). Qhov sib npaug German (DIN) yog2.0460. Tus qauv British sib npaug yogTIAB SA 110. Cov noaluminium brass qibyog tag nrho interchangeable rauKub exchanger tubes thiab condenser rajhauv kev siv dej hiav txwv hla thoob ntiaj teb cov qauv. Txhua tus muaj tib yam1.8-2.5% aluminium ntsiab lusthiab0.02-0.06% arsenic ntxivrau dezincification kuj.
3. Dab tsi yog qhov txheej txheem sab nraud ntawm ASTM B111 C68700 seamless heat exchanger raj?
ASTM B111 C68700 seamless rajmuaj nyob rau hauv ib qhosab nraud txoj kab uas hla ntawm 4mm mus rau 150mm. RauKev siv cov cua kub exchanger, common diameters suav nrog12.7mm (1/2 nti), 15.9mm (5/8 nti), 19.05mm (3/4 nti), thiab 25.4mm (1 nti). Phab ntsa thickness ranges los ntawm0.25mm txog 8mmnyob ntawm daim ntawv thov siab thiab kub yuav tsum tau.
4. Can EN CW702R txhuas tooj dag raj tuaj yeem welded rau kev cai desalination cog evaporators?
Yog lawm,EN CW702R (CuZn20Al2) txhuas tooj dag rajtuaj yeem yogwelded, soldered, los yog brazedrau kev caidesalination cog evaporators thiab distillers. Txawm li cas los xij, tsim nyogannealing saum 650 degreeraug pom zoo tom qab vuam hnyav los yog tsim kom rov ua kom muaj kev tiv thaiv corrosion. Rausiab -kev siv siab hauv thermal desalination, Seamless C68700 rajyog nyiam tshaj welded raj kom tsis txhob weld seam corrosion.
5. Dab tsi yog qhov siab tshaj plaws ua haujlwm kub rau BS CZ110 aluminium brass condenser raj hauv cov chaw nres tsheb fais fab?
BS CZ110 txhuas tooj dag condenser rajmuaj qhov zoo tagnrho ua haujlwm kub ntawm760℃rau 871 degreerau luv- lub sij hawm raug. Txawm li cas los xij, rau kev pabcuam txuas ntxiv hauvfais fab chaw nres tsheb condensers thiab tshav kub exchangers, kev khiav hauj lwm kub yuav tsum tau khaws cia hauv qab no200 degreekom muaj kev ruaj ntseg txhua yam thiab kev pom zoo corrosion nyob rau hauv seawater txias tshuab.
6. Lub hom phiaj ntawm arsenic (As) hauv DIN 2.0460 aluminium brass distiller raj yog dab tsi?
DIN 2.0460 (CuZn20Al2As) distiller rajmuaj0.02-0.06% arsenic (As). Arsenic ntxiv rauinhibit qhov dezincification- Kev xaiv leaching ntawm zinc los ntawm aluminium brass alloy. Qhov no ua rau2.0460 cevheev haum raudistiller tubes, evaporator tubes, thiab condenser tubesnyob rau hauv dej hiav txwv thiab dej brackish daim ntaub ntawv qhov twg dezincification yuav ua rau ua ntej lub sij hawm tubing tsis ua hauj lwm nyob rau hauv lub hlis.
7. Cov kev ntsuam xyuas zoo li cas ntawm ASTM B111 C68700 cov cua kub exchanger raj ua ntej xa khoom los ntawm GNEE?
GNEEua cov kev ntsuam xyuas zoo hauv qab no rauASTM B111 C68700 Kub Exchanger Tubes: expansion test(kom txiav txim siab expansion txwv),flattening xeem(los txheeb xyuas flattening kuj),Kev kuaj hydrostatic(kev kuaj pom ntawm 1000-3000 psi),nondestructive eddy test tam sim no(rau qhov tsis xws luag),residual stress test(rau durability nyob rau hauv kev ntxhov siab ua hauj lwm), thiabgrain loj xeem(0.010-0.045mm yuav tsum tau).Thib peb-kev tshuaj xyuas tog(BV, SGS, TUV, Lloyds) muaj nyob rau ntawm kev thov ntawm tus nqi ntxiv.
8. Dab tsi yog qhov tsawg kawg nkaus txiav txim kom muaj nuj nqis (MOQ) rau UNS C68700 txhuas tooj dag seamless raj los ntawm GNEE?
RauUNS C68700 txhuas tooj dag seamless rajnyob rau hauv cov qauv kub exchanger qhov ntau thiab tsawg (piv txwv li, 19.05mm OD x 1.65mm phab ntsa thickness), MOQ yuav ua tau raws li qhov tsawg500 kg (kwv yees li 200-300 m). Raukev cai diameters, phab ntsa thicknesses, los yog lengthssab nraum tus qauv ASTM B111 ntau, ntau dua MOQ ntawm1000-2000 kgtuaj yeem thov. Hu rauGNEEncaj qha nrog koj cov lus qhia tshwj xeeb rau MOQ ruaj khov.
9. Lub thermal conductivity ntawm CuZn20Al2 yog dab tsi, thiab vim li cas nws thiaj li tseem ceeb rau lub plhaub thiab lub raj cua kub exchangers?
CovThermal conductivity ntawm CuZn20Al2 (CW702R / C68700)yog58.0 BTU·in/hr·ft²·℃F ntawm 68℃F (100.4 W/m·K ntawm 20 degree). Qhov no yog kwv yees li20% qis dua tooj liab ntshiabtab sis tseem zoo heev rau feem ntau kev lag luam kub hloov daim ntaub ntawv. Qhov no thermal conductivity uac68700 cevua tau zoo heev rauplhaub thiab raj cua kub exchangers, condensers, thiab evaporators, raws li nws tso cai rau kev hloov pauv sai ntawm cov kua dej thaum tswj xyuas dej hiav txwv corrosion - kev sib xyaw ua ke uas cov tooj liab ntshiab tsis tuaj yeem muab.
10. Dab tsi yog qhov txawv ntawm ASTM B111 C68700 (Aluminium Brass) thiab ASTM B111 C44300 (Admiralty Brass) rau seawater condenser raj hauv cov chaw tsim hluav taws xob?
ASTM B111 C68700 (Aluminium Brass)muaj1.8-2.5% txhuasthiab muabsuperior tiv thaiv impingement nreshauv siab - dej hiav txwv ceev (siab dua 2.5 m/s).ASTM B111 C44300 (Admiralty tooj dag)muaj71% tooj liab, 28% zinc, thiab 1% tin nrog 0.02-0.06% arsenic, thiab yog haum rauCov dej hiav txwv huv los yog cov dej tsis huv nrog cov nrawm qis dua 2.0 m / s. Raufais fab nroj tsuag condensernrog cov dej txias tshaj tawm saum toj no2.5 m/slos yog nrog xuab zeb / silt hais,C68700 txhuas hlauyog qhov pom zoo xaiv. Rau qis tshaj tawm (hauv qab 2.0 m / s) hauv dej hiav txwv huv,C44300 Admiralty tooj dagtej zaum yuav tsim nyog thiab tus nqi ntau dua - zoo.
100% Kev Tshuaj Xyuas Ib ASTM B111 / C68700 - Cov Neeg Siv Khoom Pom Zoo
Txhua lub raj hauv ntau qhov no tau dhau qhov thib peb - tog neeg pom kev tshuaj xyuas raws li ASTM B111 tus qauv rau C68700 alloy. Hauv qab no yog cov duab tiag tiag los ntawm cov neeg siv khoom- kev tshuaj xyuas ntawm qhov chaw, suav nrog kev ntsuas tam sim no thiab kev txheeb xyuas qhov ntev.
Cov khoom tshawb xyuas tau lees paub:
• Eddy tam sim no kuaj (ECT) – tsis dhau los ntawm - phab ntsa tsis xws luag
• Sab nraud txoj kab uas hla & phab ntsa thickness - nyob rau hauv ± 0.02mm kam rau ua
• Nto tiav & temper (O61) - ua raws li ASTM
• Hardness & tshuaj muaj pes tsawg leeg – tau ntawv pov thawj.
Export-Packing - Anti-Xeb & Ntoo Case
Tom qab kev soj ntsuam dhau lawm, tag nrho cov raj tau ntim raws li cov qauv xa tawm thiab cov neeg siv khoom - cov cai tshwj xeeb. Cov txheej txheem ntim khoom tau sau tseg hauv qab no kom paub meej txog kev taug qab thiab kev puas tsuaj - pub dawb.
Packing cov kauj ruam qhia hauv video & duab:
1. Tube tu & ziab
2. Cov kaus mom yas kawg ntawm ob qhov kawg
3. VCI los tiv thaiv- xeb daim ntawv qhwv
4. Bundle strapping nrog noo noo barrier zaj duab xis
5. Plywood ntoo rooj plaub (ISPM-15 raws) nrog ua npuas ncauj padding
6. Daim ntawv lo nrog ASTM qib, ntau tus lej, thiab cov ntawv tshuaj ntsuam xyuas
Peb lub Hoobkas & Khoom siv
Tag nrho cov raj ASTM C68700 yog tsim thiab tshuaj xyuas ntawm peb hauv - khoom siv hauv tsev, tso cai rau tag nrho cov txheej txheem tswj los ntawm billet casting mus rau qhov kawg ntim.
Cov khoom siv tseem ceeb siv rau ntau qhov no:
• Induction melting rauv – precision alloying (Cu + Zn + Al + As)
• Kab rov tav nruam casting – ib yam li cov qauv billet
• Extrusion xovxwm (800T / 1630T) – seamless raj txoj kev
• Txias kos duab lub rooj ntev zaum (5–40m) - qhov tseeb qhov tseeb rau ± 0.02mm
• Online eddy tam sim no tester (FOERSTER / MAC) - 100% NDT
• Ultrasonic phab ntsa thickness ntsuas - tiag - xyuas lub sij hawm
• Lub qhov cub tawg (tswj cua) – kub O61
Hauv -house metrology: Micrometers, pin gauges, optical comparator, hardness tester (HV/HRB)
Tag nrho cov cuab yeej yog calibrated peb lub hlis twg. Cov ntaub ntawv ntau lawm yog traceable los ntawm ntau tus lej.
Copper & Copper Alloy Cov Khoom - Cov Khoom Muag Khoom
| Daim ntawv khoom | Common Alloys / Qib | Qhov Loj | Cov qauv | Tej kev siv |
|---|---|---|---|---|
| Tube / Tube | C12200, C11000, C68700, C70600, C71500, C44300, C27000 | OD: 4mm-219mm Phab ntsa: 0.5mm-20mm Ntev: mus txog 15m |
ASTM B68, B75, B111, B280, B359, B466 | Thaum tshav kub kub exchangers, condensers, HVAC, kav dej, roj txias |
| Phaj / Ntawv | C11000, C12200, C26000, C26800, C52100, C68700 | Loj: 0.5mm-50mm Dav: mus txog 1200mm Ntev: mus txog 4000mm |
ASTM B152, B169, B103, B465 | Hluav taws xob qhov chaw, ru tsev, gaskets, industrial panels |
| Qws / Bar | C11000, C26000, C36000, C46400, C48500, C63000 | Loj: 3mm-120mm Ntev: 1m - 6m (los yog kev cai) |
ASTM B16, B124, B138, B150, B453 | Valve stems, shafts, fasteners, machined Cheebtsam |
| Hlau | C11000, C16200, C17500, C26000, C52100, C64700 | Loj: 0.1mm-12mm Coil hnyav: mus txog 100kg |
ASTM B1, B2, B3, B197, B206, B624 | Vuam electrodes, hluav taws xob conductors, springs, mesh |
| Sawb / Ntawv Nyiaj | C11000, C19400, C26000, C26800, C52100, C70250 | Loj: 0.05mm-3.0mm Dav: 5mm-600mm |
ASTM B36, B465, B694, B888 | Connectors, terminals, roj teeb tabs, shielding, stamping qhov chaw |
Tshawb xyuas Hnub no Cov Tshuag & Lub Sijhawm Lead
