Dab tsi yog Copper Nickel Alloys?
Tooj liab nickel alloys, feem ntau hu ua cupronickel, tau lees paub rau lawv qhov zoo tshaj plaws corrosion kuj, tshwj xeeb tshaj yog nyob rau hauv seawater, uas ua rau lawv zoo tagnrho rau marine thiab industrial daim ntaub ntawv. Cov alloys kuj pom zoo thermal conductivity, txhua yam muaj zog, thiab tsis kam mus rau biofouling.
Ob feem ntau siv tooj liab nickel alloys yog:
UNS C70600 (90/10 tooj liab Nickel)
UNS C71500 (70/30 tooj liab Nickel)

UNS C70600 (90/10 Copper Nickel): Cov khoom xyaw, cov khoom siv, thiab kev siv
Tshuaj muaj pes tsawg leeg ntawm C70600
| Lub ntsiab | Feem pua (%) |
|---|---|
| Copper (Cu) | 88.7 - 91.2 |
| Nickel (Ni) | 9.0 - 11.0 |
| Hlau (Fe) | 1.0 - 1.8 |
| Manganese (Mn) | 1.0 Max. |
Cov khoom tseem ceeb ntawm UNS C70600
| Khoom | Kev piav qhia |
|---|---|
| Corrosion Resistance | Zoo heev nyob rau hauv dej hiav txwv thiab dej brackish; resists biofouling, txo kev tu ntau zaus |
| Thermal conductivity | Zoo, ua rau nws haum rau cov cua kub exchangers thiab condenser raj |
| Formability & Weldability | Yooj yim rau fabricate; zoo formability thiab weldability rau complex duab |
Kev siv cov khoom siv C70600
| Kev lag luam | Daim ntawv thov |
|---|---|
| Marine / Shipbuilding | Seawater piping, tshav kub exchangers, condenser raj |
| Desalination Nroj tsuag | Tubing thiab cov khoom sib txuas nrog seawater |
| Offshore Roj & Roj | Piping systems raug dej hiav txwv |
UNS C71500 (70/30 Copper Nickel): Cov khoom xyaw, cov khoom siv, thiab kev siv
Tshuaj muaj pes tsawg leeg ntawm C71500
| Lub ntsiab | Feem pua (%) |
|---|---|
| Copper (Cu) | 66.5 - 69.5 |
| Nickel (Ni) | 29.0 - 33.0 |
| Hlau (Fe) | 0.4 - 1.0 |
| Manganese (Mn) | 1.0 Max. |
Cov khoom tseem ceeb ntawm UNS C71500
| Khoom | Kev piav qhia |
|---|---|
| Corrosion Resistance | Superior rau C70600, tshwj xeeb tshaj yog nyob rau hauv siab - nrawm los yog abrasive ib puag ncig |
| Mechanical Strength | Siab tshaj C70600, haum rau kev thov ntau dua |
| Erosion Resistance | Txhim khu kev tiv thaiv rau yaig thiab impingement tawm tsam ntawm tus nqi siab |
Kev siv ntawm C71500 Khoom
| Kev lag luam | Daim ntawv thov |
|---|---|
| Thaum tshav kub kub Exchangers & Condenser | Fais fab nroj tsuag thiab shipbuilding yuav tsum tau siab zog thiab corrosion kuj |
| Seawater Piping Systems | Siab - nrawm thiab turbulent flow condition |
| Offshore Roj & Roj | Risers, platform ceg sheathing, Cheebtsam raug aggressive seawater |
Qhov txawv tseem ceeb: UNS C70600 vs. UNS C71500
| Parameter | UNS C70600 (90/10) | UNS C71500 (70/30) |
|---|---|---|
| Cov ntsiab lus Nickel | 9.0 - 11.0% | 29.0 - 33.0% |
| Cov ntsiab lus tooj liab | ~ 90% | ~ 70% |
| Corrosion Resistance | Zoo heev | Superior(tshwj xeeb yog siab- nrawm) |
| Mechanical Strength | Zoo | Siab dua |
| Erosion Resistance | Zoo | Txhim kho |
| Biofouling Resistance | Zoo heev (me ntsis superior) | Zoo |
| Nqi | Kev lag luam ntau dua | Siab dua (vim cov ntsiab lus nickel) |
| Tej kev siv | Kev pabcuam dej hiav txwv dav dav | Xav tau / siab - nrawm nrawm |
Xaiv txoj cai Alloy rau koj daim ntawv thov
| Qhov xwm txheej | Kev pom zoo |
|---|---|
| Corrosion Resistance Requirements | Yog tias koj daim ntawv thov koom nrog siab - dej hiav txwv ceev lossis yaig- ib puag ncig,xaiv C71500 |
| Mechanical Strength Xav Tau | Rau cov ntawv thov uas xav tau ntau dua mechanical zog,C71500 ua tau zoo dua |
| Kev txwv nyiaj txiag | Yog tias tus nqi yog qhov tseem ceeb,C70600 yog kev lag luam ntau duathaum muab zoo heev corrosion kuj nyob rau hauv tsawg demanding ib puag ncig |
| Kev thov tshwj xeeb | Xav txog kev ua haujlwm ib puag ncig, qhov kub thiab txias, thiab muaj peev xwm cuam tshuam rau kev tawm tsam hnyav |
| Qhov xwm txheej | Pom zoo Alloy |
|---|---|
| Cov dej hiav txwv huv huv, ib txwm tshaj tawm (tsawg dua lossis sib npaug li 3.6 m / s) | C70600 |
| High-velocity seawater (> 3.6 m/s) | C71500 |
| Seawater nrog tshem tawm cov xuab zeb los yog abrasives | C71500 |
| Biofouling yog thawj qhov kev txhawj xeeb | C70600(me ntsis superior) |
| Cov dej hiav txwv muaj kuab paug (H₂S, ammonia) | C71500(xav tau) |
| Cov nyiaj txiag- cov haujlwm tseem ceeb | C70600 |
Mechanical Properties Comparison (Annealed)
| Khoom | UNS C70600 | UNS C71500 |
|---|---|---|
| Tensile zog (MPa) | 275 Min. | 275 Min. |
| Yield zog (MPa) | 105 Min. | 105 Min. |
| Elongation (%) | 40 Min. | 40 Min. |
| Machinability (% ntawm dawb- txiav tooj dag) | 20% | 20% |
Lub cev muaj zog sib piv
| Khoom | UNS C70600 | UNS C71500 |
|---|---|---|
| Qhov ceev (g / cm³) | 8.94 | 8.94 |
| Melting Point (Liquidus) | 1150 degree | 1150 degree |
| Thermal conductivity (W / m · K) | 40 | 40 |
| Hluav taws xob conductivity (% IACS) | 9.1 | 9.1 |
| Modulus ntawm Elasticity (GPa) | 140 | 140 |
Fabrication Properties
| Khoom | UNS C70600 | UNS C71500 |
|---|---|---|
| Kev ua haujlwm txias | Zoo heev | Zoo heev |
| Kub ua haujlwm | Zoo | Zoo |
| Welding (GTAW/TIG) | Zoo heev | Zoo heev |
| Soldering | Zoo heev | Zoo heev |
| Brazing | Zoo | Zoo |
| Annealing kub (degree) | 700 - 825 | 700 - 825 |
| Kub ua haujlwm kub (degree) | 850 - 950 | 850 - 950 |
Cov Khoom Muag Khoom Muaj
| Yam khoom | C70600 | C71500 |
|---|---|---|
| Seamless Yeeb Nkab / Tube | ✓ | ✓ |
| Welded Yeeb Nkab / Tube | ✓ | ✓ |
| Phaj / Ntawv | ✓ | ✓ |
| Bar / Qws | ✓ | ✓ |
| Flanges (txhua hom) | ✓ | ✓ |
| Fittings (lub luj tshib, tees, reducers) | ✓ | ✓ |
| Forgings | ✓ | ✓ |
Cov qauv siv tau
| Txuj | C70600 | C71500 |
|---|---|---|
| ASTM B111 | ✓ (Condenser Tubes) | ✓ (Condenser Tubes) |
| ASTM B466 | ✓ (Cov yeeb nkab tsis sib haum) | ✓ (Cov yeeb nkab tsis sib haum) |
| ASME SB 111 | ✓ | ✓ |
| ASME SB 466 | ✓ | ✓ |
| TS EN 12451 | CuNi10Fe1Mn | CuNi30Fe1Mn |
FAQ
1. Dab tsi yog qhov txawv ntawm UNS C70600 thiab UNS C71500?
Thawj qhov sib txawv ntawmUNS C70600thiabUNS C71500yog nickel cov ntsiab lus.UNS C70600 (90/10 tooj liab nickel)muaj 9-11% npib tsib xee, thaumUNS C71500 (70/30 tooj liab nickel)muaj 29-33% npib tsib xee, muab C71500 siab zog thiab superior corrosion kuj.
2. Cov hlau twg muaj qhov zoo dua corrosion: C70600 lossis C71500?
UNS C71500muaj kev tiv thaiv corrosion zoo dua piv rau C70600, tshwj xeeb tshaj yog nyob rau hauv siab - qhov chaw nyob hauv dej hiav txwv lossis qhov chaw yaig thiab kev cuam tshuam muaj kev txhawj xeeb.
3. Puas yog C70600 yooj yim rau tshuab dua C71500?
Ob lub alloys muaj tib yammachinability ntsuam xyuas ntawm 20% ntawm dawb- txiav tooj dag. Txawm li cas los xij, C71500 yog qhov nyuaj me ntsis vim nws cov ntsiab lus nickel ntau dua thiab yuav xav tau cov cuab yeej muaj zog dua.
4. Dab tsi yog qhov ceev ntawm C71500 piv rau C70600?
Ob leegc71500 uathiab C70600 ntom yog8.94 g / cm³. Qhov no txhais tau hais tias kev ntsuas qhov hnyav rau qhov sib npaug sib npaug yog tib yam rau ob qho tib si alloys.
5. Cov hlau twg yog kim dua: C70600 lossis C71500?
UNS C71500feem ntau kim dua C70600 vim nws cov ntsiab lus ntau dua nickel (29-33% vs 9-11%).
6. Cov raj ASTM B111 C70600 puas tuaj yeem siv rau hauv siab -ceev seawater?
RauASTM B111 C70600 Cov Lus Qhia Tshwj Xeebraj, qhov siab tshaj plaws tsim tawm yog 3.6 m / s. Rau qhov ceev tshaj qhov no,C71500pom zoo.
7. Txoj kev vuam dab tsi pom zoo rau ob qho tib si C70600 thiab C71500?
Gas Tungsten Arc Welding (GTAW/TIG)nrog ERCuNi filler metal (AWS A5.7) is recommend for bothC70600thiabC71500 khoom.
8. Cov hlau twg muaj qhov zoo dua biofouling tsis kam: 90/10 lossis 70/30?
90/10 tooj liab nickel (C70600)muaj me ntsis superior biofouling kuj piv rau 70/30 tooj liab nickel (C71500).
9. Puas yog sb111 c71500 raj haum rau cov nroj tsuag desalination?
Yog lawm.wb 111c71500cov raj yog siv rau hauv cov nroj tsuag desalination, tshwj xeeb tshaj yog rau cov cua sov rov qab seem ntawm multi-theem flash (MSF) units.
Kev kuaj pom
| Txoj kev tshuaj xyuas | Txheem / Lub Hom Phiaj |
|---|---|
| Eddy Kev Xeem Tam Sim No | ASTM E243 - Pom qhov tsis xws luag hauv cov tsis yog -ferromagnetic tubing |
| Hydrostatic Test | Kev ntsuas siab ncaj ncees |
| Kev kuaj Ultrasonic | Phab ntsa thickness ntsuas |
| Tshuaj ntsuam xyuas | Spectrometer - Txheeb xyuasc71500 tshuaj muaj pes tsawg leeglos yog C70600 muaj pes tsawg leeg |
| Mechanical Testing | Tensile, hardness, flattening, expansion tests |
| Flattening Test | Yuav tsum tau rau ob qho tib si alloys rau ASTM B111 |
| Expansion Test | 30% ntawm 60℃(tom qab annealing) |

Ntim
| Yam khoom | Txoj kev |
|---|---|
| Cov raj me me (tsawg dua lossis sib npaug li 12 nti) | Waterproof ntawv + hnab yas + rooj ntoo |
| Large diameter pipes (>12 nti) | Yas kawg kaus mom + steel strip bundles + ntoo pallets |
| Flanges thiab fittings | Anti- xeb roj + yas zaj duab xis + thawv + ntoo rooj plaub |
| Kos npe | Qib (C70600 / C71500), qhov loj me, lub sijhawm, tus lej kub, tus qauv (ASTM B111 / ASME SB466) |

Khoom siv Hoobkas
| Khoom siv | Lub hom phiaj rau Copper Nickel Production |
|---|---|
| Induction Melting Rauv | Precise tswj ntawmc71500 tshuaj muaj pes tsawg leegthiab C70600 muaj pes tsawg leeg |
| Nruam Casting Tshuab | Billet ntau lawm |
| Extrusion Xovxwm | Hollow plhaub tsim |
| Txias Pilger Mill | Tube txoj kab uas hla txo |
| Kos lub rooj zaum | Qhov kawg sizing thiab nto tiav |
| Annealing Rauv | Kev ntxhov siab (700-825℃rau ob qho tib si alloys) |
| Straightening tshuab | Dimensional raug |
| CNC Machining Center | Flange thiab haum ntau lawm |
| NDT Cov khoom siv | Eddy tam sim no thiab kuaj ultrasonic |

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