c71500 tooj liab nickel
GNEE yog cov chaw muag khoom thiab cov tswv lag luam ntawmTooj liab Nickel 70/30 (CN107), tus hwm zoo alloy renowned rau exceptional corrosion kuj, marine -qib durability, thiab kev ua tau zoo nyob rau hauv seawater thiab tshuaj ib puag ncig.
Copper Nickel (CuNi) yog tooj liab-raws li alloy uas muaj nickel, hlau, thiab manganese. Nws yog dav siv nyob rau hauv kev lag luam uas seawater corrosion, biofouling, thermal conductivity, thiab ntev - lub sij hawm structural kev ncaj ncees yog qhov tseem ceeb xav txog.
Tus neeg muag khoom tuav ntau yam ntawm ultrasonically kuaj CuNi bar Tshuag nrog tag nrho 3.2 zeb ntawv pov thawj thiab ua raws li DEF STAN 02-879 siv rau hauv kev tiv thaiv thiab kev siv aerospace.
c71500 qib
| Qib | EN npe | CWJ Number | UNS | BS |
|---|---|---|---|---|
| NPE 107 (70/30) | CuNi30Mn1Fe | CWJ 354 H | C71500 | SIB 107 |
c71500 kev
Copper Nickel 70/30 yog siv rau hauv:
Marine & Offshore Engineering - seawater piping, condensers, twj tso kua mis vaj tse
Kev Tiv Thaiv & Naval Systems - MOD- qib kav dej (DEF STAN 02-879 ua raws)
Aerospace Engineering - hydraulic tubing, tiv thaiv -cov khoom tiv thaiv corrosion
Desalination & Kev Kho Dej - evaporators, brine rhaub, condensers
Thaum tshav kub kub Exchanger & HVAC - roj txias, cua txias, finned tubes
Automotive Systems - nres kab, roj thiab hydraulic systems
Hygiene & Healthcare - Antimicrobial nto
c71500 khoom yam ntxwv
Cov ntsiab lus nickel siab dua (~ 30%) rau kev txhim kho lub zog thiab corrosion kuj
Kev ua tau zoo heev nyob rau hauv siab - dej hiav txwv ceev thiab ib puag ncig marine muaj kuab paug
Superior erosion thiab cavitation kuj
Siv nyob rau hauv siab -pressure heat exchangers, power stations, thiab naval systems
Zoo heev rau aerospace, subsea, thiab tseem ceeb tiv thaiv infrastructure
Ua raws li EN 12163, DEF STAN 02-879, thiab UNS C71500
Hom Composition:
Cu: Balance
Tsis muaj: ~ 30%
Mn: ~ 1%
Fe: 0.5-1%
c71500 vs c70600 - sib piv ceev
Rau siab -ceev los yog dej hiav txwv muaj kuab paug, C71500 (70/30) muaj superior yaig thiab cavitation tsis kam vim cov ntsiab lus nickel ntau dua (~30% vs ~ 10%). Rau tus nqi- cov haujlwm tseem ceeb nrog cov dej hiav txwv huv ntawm qhov qis qis, C70600 (90/10) txaus.
c71500 lub cev muaj zog
| Khoom | Tus nqi |
|---|---|
| c71500 ua | 8.9 g / cm³ |
| Kub tshwj xeeb (20 degree) | 377 J/kg · K |
| Thermal conductivity | 46 W/(m·K) |
| Coefficient ntawm thermal expansion (20-100 degree) | 17 × 10⁻⁶ /K |
| Modulus ntawm elasticity | 130 GPa |
| Hluav taws xob tsis kam (20℃annealed) | 19 Ω cm |
c71500 fabrication zog
| Khoom | Kev ntsuas |
|---|---|
| Machineability | Tsawg tsim nyog (~ 20%) |
| Txias txoj kev | Zoo heev |
| Ua kom sov | Zoo |
| WIG vuam | Zoo heev |
| MIG vuam | Zoo heev |
| nyuaj soldering | Zoo heev |
| Mos soldering | Zoo heev |
| Kuj welding | Zoo heev |
c71500 kev kho cua sov
| Kev kho mob | Kub |
|---|---|
| Melting point | 1130 - 1160 degree |
| Kub ua haujlwm | 950-1050 degree |
| Mos annealing | 680-750 degree |
| Thermal stress relieving | 400-450 degree |
c71500 mechanical zog
| Qhov xwm txheej | R290 | R310 | R480 |
|---|---|---|---|
| Tensile zog (MPa) | Ntau dua lossis sib npaug li 290 | Ntau dua lossis sib npaug rau 310 | Ntau dua lossis sib npaug rau 480 |
| Yield zog (MPa) | Ntau dua lossis sib npaug li 90 | Ntau tshaj los yog sib npaug rau 220 | Ntau dua lossis sib npaug li 400 |
| Elongation A5 (%) | Ntau tshaj los yog sib npaug rau 30 | Ntau dua lossis sib npaug li 12 | Ntau dua lossis sib npaug li 8 |
| Vickers hardness | 75–105 | 105–150 | Ntau dua lossis sib npaug li 150 |
c71500 corrosion kuj
C71500 muaj superior corrosion thiab yaig tsis kam piv rau 90/10, vim cov ntsiab lus ntau dua nickel (~ 30%). Zoo heev tiv taus:
Biofouling thiab microbial -induced corrosion (MIC)
Kev nyuaj siab corrosion thiab intergranular nres
Pitting thiab crevice corrosion
FAQ
Q1: C71500 vs C70600 - qhov twg rau siab - dej hiav txwv ceev?
C71500 zoo dua rau siab - nrawm thiab dej hiav txwv muaj kuab paug.C71500 muaj ~ 30% nickel thaum C70600 tsuas muaj 9-11% npib tsib xee. Cov ntsiab lus nickel siab dua no muab C71500 superior yaig thiab cavitation tsis kam. Rau naval systems, high-pressure heat exchangers, thiab fais fab chaw nres tsheb, xaiv C71500.
Q2: Dab tsi yog qhov ceev ntawm C71500 khoom?
C71500 ceev yog 8.9 g / cm³.Rau kev ntsuas qhov hnyav ntawm qhov hnyav: hla- ntu ntu × ntev × 8.9=qhov hnyav hauv grams. Rau cov yeeb nkab: (OD - phab ntsa) × phab ntsa × 0.028=kg ib meter.
Q3: Dab tsi yog qhov machinability ntawm 70/30 tooj liab nickel?
Machinability yog tsawg haum ntawm kwv yees li 20% ntawm dawb- txiav tooj dag.Cold forming thiab welding yog lwm txoj hauv kev zoo. Rau complex Cheebtsam, xav txog kev txiav txim tiav machined qhov chaw es tsis machining los ntawm bar Tshuag.
Q4: Txoj kev vuam dab tsi ua haujlwm rau C71500?
WIG vuam (TIG), MIG vuam, nyuaj soldering, mos soldering, thiab kuj welding yog tag nrho cov ntsuas zoo heev.Rau cov kav dej hiav txwv, TIG vuam nrog ERNi-7 muab cov hlau thiab argon rov qab tshem tawm raug pom zoo.
Q5: Lub zog tensile ntawm annealed C71500 yog dab tsi?
Annealed C71500 (R290 mob) muaj yam tsawg kawg nkaus tensile zog ntawm 290 MPa.Lub zog muaj zog muaj xws li R310 (Ntau dua lossis sib npaug rau 310 MPa) thiab R480 (Ntau dua lossis sib npaug rau 480 MPa). Lub zog tawm los ntawm 90 MPa (annealed) txog 400 MPa (R480).
Q6: Dab tsi yog qhov kub ua haujlwm rau C71500?
Kub ua haujlwm kub ntau yog 950-1050 degree.Mos annealing yog 680 - 750 degree. Thermal stress relieving yog 400 - 450 degree.
Q7: Tus Txheej Txheem Tiv Thaiv C71500 ua tau raws li dab tsi?
C71500 ua raws li DEF STAN 02-879 rau kev tiv thaiv thiab kev siv dav hlau.Tus neeg muag khoom tuav ultrasonically kuaj bar Tshuag nrog tag nrho 3.2 zeb ntawv pov thawj. Rau MOD- qib piping systems, qhia DEF STAN 02-879 ua raws.
