C44300 Admiralty tooj dagthiabC46400 Naval tooj dagyog ob qho tib si tooj liab-zinc-tin alloys dav siv nyob rau hauv marine thiab industrial applications. Thaum lawv qhia cov ntsiab lus zoo sib xws, lawv cov khoom sib txawv, cov khoom siv kho tshuab, thiab cov yam ntxwv tiv thaiv corrosion ua rau lawv haum rau cov kev pabcuam sib txawv. Kev nkag siab txog qhov sib txawv no yog qhov tseem ceeb rau kev xaiv cov khoom hauv condensers, heat exchangers, thiab marine hardware.
Kev sib piv tshuaj lom neeg
Qhov sib txawv ntawm C44300 thiab C46400 nyob hauv lawv cov tshuaj pleev ib ce. Ob leeg yog tooj liab-zinc alloys nrog tin ntxiv, tab sis C46400 muaj zinc ntau dua thiab cov hlau lead me me ntxiv rau kev ua haujlwm.
| Element | C44300 Admiralty tooj dag | C46400 Naval tooj dag |
|---|---|---|
| Copper (Cu) | 70.0 – 73.0% | 59.0 – 62.0% |
| Zinc (Zn) | Qhov seem (~ 27-28%) | Qhov seem (~37-39%) |
| Tin (Sn) | 0.9 – 1.2% | 0.5 – 1.0% |
| Arsenic (As) | 0.02 – 0.06% | - |
| Lead (Pb) | 0.07% max | 0.20% max (feem ntau 0.1-0.2%) |
Qhov tseem ceeb sib txawv:
Zinc ntsiab lus:C46400 muaj kwv yees li38% zinc, piv rau xwb28%ua c44300. Cov zinc siab dua ua rau cov alloy muaj zog dua tab sis muaj kev cuam tshuam rau dezincification corrosion.
Arsenic Inhibitor:C44300 muajArsenic (0.02-0.06%)raws li ib tug corrosion inhibitor los tiv thaiv dezincification. C46400 tsis muaj cov inhibitor no.
Lead Ntxiv:C46400 suav nrog cov hlau lead me me ntxiv los txhim khomachinability. C44300 muaj cov hmoov txhuas tsis zoo thiab nyuaj rau tshuab.
Mechanical Properties Sib piv
Cov ntsiab lus zinc ntau dua hauv C46400 muab ntau zog thiab hardness piv rau C44300. Txawm li cas los xij, C44300 muaj qhov zoo tshaj plaws ductility, uas yog qhov tseem ceeb rau kev siv lub raj txuas ntxiv.
| Khoom | C44300 Admiralty tooj dag(O61 Annealed) | C46400 Naval tooj dag(Tswj) |
|---|---|---|
| Tensile zog | 310 - 380 MPa (45 - 55 ksi) | 380 - 607 MPa (55 - 88 ksi) |
| Yield zog | 105 - 150 MPa (15 - 22 ksi) | 172 - 455 MPa (25 - 66 ksi) |
| Elongation ntawm Break | 30 – 45% | 15 – 30% |
| Hardness (Rockwell B) | 30-60 HHB | 55-85 IB |
| Machinability Rating | 30 | 30 – 40 |
Qhov Tseem Ceeb Mechanical Differences:
Lub zog:C46400 Naval Brass yog qhov tseem ceebmuaj zog thiab nyuaj duatshaj C44300 Admiralty Brass, ua rau nws haum rau cov khoom siv thiab cov fasteners.
Ductility:C44300 muajsuperior elongation, uas yog qhov tseem ceeb rau lub raj dov thiab flaring ua haujlwm hauv condenser fabrication.
Machineability:C46400 muaj qhov ua tau zoo dua me ntsis vim nws cov ntsiab lus txhuas, txawm hais tias ob qho tib si tsis tshua muaj kev ua tau zoo dua li dawb - txiav tooj dag (C36000).
Kev sib piv Corrosion Resistance
Qhov no yog qhov tseem ceeb tshaj qhov sib txawv ntawm ob lub alloys thiab qhov tseem ceeb hauv kev xaiv cov khoom.
| Corrosion Hom | C44300 Admiralty tooj dag | C46400 Naval tooj dag |
|---|---|---|
| Dezincification Resistance | Zoo heev(Arsenic inhibited) | Nruab nrab rau Cov Neeg Txom Nyem |
| Dej hiav txwv Corrosion | Zoo nyob rau hauv cov dej qias neeg / stagnant | Zoo nyob rau hauv huv si, ntws seawater |
| Kev nyuaj siab Corrosion Cracking | Susceptible rau ammonia | Susceptible rau ammonia |
| Erosion Resistance | Nruab nrab | Zoo tshaj C44300 |
| Sulfide Attack Resistance | Zoo | pluag |
Qhov tseem ceeb Corrosion sib txawv:
Dezincification:C44300 muajArsenicuas tsim cov yeeb yaj kiab tiv thaiv uas tiv thaiv zinc los ntawm leaching tawm hauv dej. C46400 tsis muaj qhov inhibitor, ua rau nwsyooj yim rau dezincificationnyob rau hauv stagnant los yog polluted seawater. Qhov no yog vim li cas C44300 tau teev tseg rau condenser tubing thaum C46400 tsis yog.
Ib puag ncig sulfide:C44300 ua tau zoo hauv cov ntawv thov roj refinery qhov twgsulfur compoundsmuaj nyob. C46400 tsis pom zoo rau qhov chaw zoo li no.
Daim ntawv thov
Cov cuab yeej sib txawv ntawm C44300 thiab C46400 dictate tag nrho cov ntawv thov sib txawv.
| C44300 Admiralty Brass Daim Ntawv Thov | C46400 Naval Brass Applications |
|---|---|
| Chav Condenser Tubes | Marine Propeller Ncej |
| Kub Exchanger Tubing | Valve Stems thiab lub cev |
| Roj Refinery Overhead Condensers | Pump Shafts thiab impellers |
| Desalination Distiller Tubing | Marine Hardware thiab Fasteners |
| Feedwater rhaub Tubes | Turnbuckles thiab Swivel Fittings |
| Evaporator Tubing | Vuam Qws thiab Hlau |
Txoj Cai Thov:
C44300yog teev nyob qhov twgcorrosion kuj nyob rau hauv kev pab cuam dejthiabductility rau lub raj expansionyog qhov tseem ceeb.
C46400xaiv qhov twgmuaj zog duathiabnruab nrab corrosion kujnyob rau hauv ntws seawater yuav tsum tau raucov khoom siv.
Kev sib piv Fabrication thiab Vuam
| Txheej txheem | C44300 Admiralty tooj dag | C46400 Naval tooj dag |
|---|---|---|
| Ua haujlwm txias | Zoo heev | Zoo |
| Kub Ua Haujlwm | Kev Ncaj Ncees (649-788 degree) | Zoo (649-871 degree) |
| Annealing kub | 427-593 degree | 427-593 degree |
| Vuam Suitability | Brazing, soldering, GTAW | Brazing, soldering, oxyacetylene |
| Machineability | Ncaj ncees (Rating 30) | Ncaj Ncees (Rating 30-40) |
Tus nqi sib piv
| Qhov xwm txheej | C44300 Admiralty tooj dag | C46400 Naval tooj dag |
|---|---|---|
| Tus nqi raw khoom | Siab dua (Ntau Copper) | Lower (tsawg tooj liab, Ntau Zinc) |
| Tus nqi ua haujlwm | Nruab nrab | Nruab nrab |
| Tus nqi tag nrho | Siab dua me ntsis | Tsawg me ntsis |
C46400 feem ntau tsis tshua kim tshaj C44300 vim nwsqis cov ntsiab lus tooj liab(~ 60% vs ~ 71%). Txawm li cas los xij, tus nqi sib txawv feem ntau tsis pom zoo piv rau tus nqi ntawm kev ua tsis tiav ntxov yog tias cov hlau tsis raug xaiv.
Txoj Cai Xaiv
Xaiv C44300 Admiralty Brass thaum:
Daim ntawv thov suav nrogThaum tshav kub kub exchanger los yog condenser tubingxav tau cov menyuam expansion.
Ib puag ncig kev pabcuam suav nrogmuaj kuab paug, nyob ruaj khov, lossis sulfide-cov dej.
Dezincification kujyog qhov kev xav tau tseem ceeb.
Ua raws liASTM B111 / ASME SB111yog teev.
Xaiv C46400 Naval Brass thaum:
Daim ntawv thov yuav tsum tausiab -cov khoom siv muaj zogxws li shafts, valve stems, los yog fasteners.
Kev pabcuam ib puag ncig cuam tshuamhuv si, ntws dej hiav txwves tsis muaj kuab paug stagnant tej yam kev mob.
Machineabilityyog ib qho tseem ceeb.
Cov khoom yuavtsis yograug rau sulfides los yog tej yam kev mob txhawb dezincification.
FAQ
1. Tus qauv ASTM rau C46400 Naval Brass yog dab tsi?
C46400 Naval tooj dagyog them raws li ob peb ASTM specifications suav nrogASTM B 171 Cov Lus Qhia(phaj thiab ntawv rau cov hlab ntsha siab),ASTM B124(forging pas nrig thiab duab), thiabASTM B 283 2(forgings). Tsis zoo li C44300, C46400 tsis tau teev tseg rau condenser tubing hauv qab ASTM B111.
2. C44300 vs C46400: Uas resists dezincification zoo dua?
C44300 Admiralty tooj dagmuabzoo heev dezincification kujvim nwsArsenic inhibitor (0.02-0.06%) . C46400 Naval tooj dagtsis muaj tus inhibitor no thiab yogyooj yim rau dezincificationnyob rau hauv stagnation los yog dej qias neeg, uas yog vim li cas nws tsis yog siv rau tshav kub exchanger tubing.
3. Vim li cas C46400 Naval Brass muaj zog dua C44300 Admiralty Brass?
C46400 Naval tooj dagmuaj kwv yees li38% zinc, piv rau28%ua c44300. Cov ntsiab lus zinc ntau dua ua raws li cov tshuaj tiv thaiv kom muaj zog, nce ntxivtensile thiab yield zogtab sis kuj ua rau cov hlau tsis muaj zog corrosion.
4. C46400 Naval Brass siv tau rau condenser tubing?
Tsis muaj.C46400 Naval Brass yogtsis pom zoorau condenser los yog kub exchanger tubing. Nws lacksArsenic inhibitortam sim no hauv C44300, ua rau nws nquagdezincificationhauv kev pabcuam dej. ASTM B111 qhia C44300, tsis yog C46400, rau seamless condenser raj.
5. Dab tsi yog txheej txheem annealing rau C46400 Naval Brass?
C46400 Naval tooj dagyog annealed ntawm427-593℃(800-1100℃F), zoo ib yam li C44300. Qhov kev kho cua sov no txo cov kev ntxhov siab ua haujlwm txias thiab rov ua kom cov ductility rau kev ua haujlwm ntxiv.
6. C44300 vs C46400: Qhov twg yooj yim dua rau tshuab?
C46400 Naval tooj dagmuaj me ntsis machinability zoo dua (ntsuas30-40) tshaj C44300 (kev ntsuas30) vim nws txhob txwmtxhuas ntxiv. Txawm li cas los xij, ob qho tib si yog qhov nyuaj rau lub tshuab ntau dua li dawb - txiav tooj dag C36000 ( ntsuas 100).
7. Vim li cas C46400 Naval Brass muaj txhuas?
C46400 Naval tooj dagmuaj ib qho me me ntawmlead (mus txog 0.20%)txhim khomachinability. Cov hmoov txhuas ua raws li cov chips tawg thaum lub sijhawm ua haujlwm txiav. C44300 tsuas muaj cov kab txhuas (0.07% max) thiab tso siab rau nws cov ductility rau kev tsim ntau dua li kev ua haujlwm.
8. Dab tsi yog cov ntawv thov tseem ceeb hauv hiav txwv rau C46400 Naval Brass?
C46400 Naval tooj dagyog siv rauLub tshuab nqus tsev twj tso kua mis, lub valve stems, twj tso kua mis shafts, turnbuckles, thiab marine fasteners. Nws lub zog siab dua thiab nruab nrab seawater corrosion kuj ua rau nws haum rau cov yam ntxwv ntawm cov dej hiav txwv ntws.
9. Puas yog C46400 Naval Brass weldable?
C46400 Naval tooj dagyog haum raubrazing, soldering, thiab oxyacetylene vuam. Zoo li C44300, nws yogtsis pom zoorau coated hlau arc vuam vim zinc volatilization, uas ua rau weld porosity thiab tsis muaj zog pob qij txha.
10. C44300 vs C46400: Uas nqi ntau dua?
C44300 Admiralty tooj dagfeem ntau yogme ntsis kim duatshaj C46400 vim nwscov ntsiab lus tooj liab ntau dua(~ 71% vs ~ 60%). Txawm li cas los xij, tus nqi sib txawv me me piv rau qhov kev pheej hmoo ntawm kev ua tsis tiav ntxov yog tias cov hlau tsis raug raug xaiv rau ib puag ncig kev pabcuam tshwj xeeb.
Yuav Ua Li Cas Peb Ntim Copper Heat Exchanger Tubes rau Kev xa khoom thoob ntiaj teb?
Cov ntim khoom tsis zoo ua rau puas tsuaj txawm tias qhov zoo tshaj plaws tooj liab kub exchanger raj. Raws li ib tug kws tshaj lij tooj liab kub exchanger tube Hoobkas ua hauj lwm tooj liab kub exchanger tube teb chaws USA, Europe, UAE, Saudi Arabia, thiab Is Nrias teb, peb ua raws li tub rog - qib export ntim cov qauv kom tsis muaj kev puas tsuaj thaum lub sij hawm hiav txwv los yog huab cua freight.
Peb Cov Txheej Txheem Ntim Txheej Txheem:
| Ntim Theem | Khoom siv / txoj kev | Lub hom phiaj |
|---|---|---|
| Ib leeg Tube tiv thaiv | Anti-xeb VCI ntawv + yas kawg kaus mom | Tiv thaiv kom tsis txhob ya raws, plua plav, thiab khawb ntawm tooj liab tube kub exchanger sab hauv. |
| Bundling | Nylon straps + ntoo spacers | Khaws tooj liab kub exchanger tube OD 19mm, 1 nti, los yog 5/8 nti qhov ntau thiab tsawg tau teeb tsa thiab kev co-dawb. |
| Moisture Barrier | Thick PE zaj duab xis qhwv (heat-shrink) | Thaiv cov av noo thaum lub sij hawm ntev hiav txwv voyages rau tooj liab kub exchanger raj lub teb chaws Yelemees los yog Saudi Arabia. |
| Ntim Ntim | Export-qib plywood case lossis steel-banded ntoo crates | Withstands stacking thiab ntxhib tuav. Txhua lub crate sau nrog PO tooj, alloy (xws li, SB111 C70600), thiab kom muaj nuj nqis. |
| Cov ntaub ntawv | Cov ntawv ntim khoom + Daim Ntawv Pov Thawj Zeb Xeem (MTC) txuas sab nraud | Kev lis kev cai clearance txhawb rau tooj liab kub exchanger raj stockist thiab distributor koom tes. |
Rau U-Bundle Orders:U tube heat exchanger thiab U tube bundle heat exchanger yog muab tso rau hauv siab steel jigs hauv lub crate los tiv thaiv bending radius distortion.
Peb lub Hoobkas & Khoom siv
| Hom khoom siv | Specification / Muaj peev xwm | Kev cuam tshuam zoo |
|---|---|---|
| Kab rov tav nruam Casting kab | 10-tuj muaj peev xwm | Ua homogeneous tooj liab alloy raj rau tshav kub exchanger billets nrog xoom porosity. |
| Peb -Roll Piercing Mill | Txog li 60mm OD | Precision phab ntsa thickness tswj rau tshav kub exchanger raj phab ntsa thickness tsawg li 0.5 hli. |
| Txias Drawing Bench | 5 kos ua ke | Ua tiav nruj tolerances ntawm tooj liab kub exchanger raj ntev thiab tshav kub exchanger yeeb nkab txoj kab uas hla. |
| Straightening & Txiav Kab | CNC servo- tswj | Burr-dawb txiav rau tooj liab kub exchanger raj 3/4 nti thiab 1 nti rau qhov project ntev. |
| U-Bending Tshuab | CNC mandrel hom | Ua U tube condenser thiab U tube bundle heat exchanger yam tsis muaj kinking lossis ovality. |
| Eddy Tam sim no Tester | NDT (Tsis yog -Kev kuaj kev puas tsuaj) | 100% kev tshuaj xyuas ntawm C70600 raj thiab C71500 raj rau pinholes los yog tawg rau ASTM B111 pdf qauv. |
| Hydrostatic Tester | Txog li 200 bar | Validates tshav kub exchanger raj expansion thiab raj dov kev ncaj ncees. |
| Spectrometer | Optical emission (OES) | Pom zoo cov tshuaj muaj pes tsawg leeg ntawm ASME SB111, EN 12451, thiab JIS H3300 qib ntawm txhua pawg. |
Peb Cov Ntawv Pov Thawj & Ua Tau Zoo:
ASTM B111 pdf thiab ASME SB111 pdf tag nrho traceability.
ISO 9001: 2015 Kev tswj hwm qhov system.
Thib peb- tog neeg soj ntsuam txais: SGS, BV, Lloyds, los yog TUV.
Copper heat exchanger tube life expectancy test reports muaj raws li qhov kev thov.
Tau Txais Cov Lus Qhia Ceev & Logistics Plan
