C68700 txhuas tooj dag yog cov hlau tsis muaj leej twg hais txhua lub lim tiam - txog Q4. Lub kaum hli ntuj yog lub qhov rais thov qhov rai raufais fab - cog condenser retubing, lub hli txiav txim siab tshaj plaws rau kev hloov tshuab chiller, thiab pib lub caij sov- lub caij sib tw twj tso kua mis. Peb lub voj voog sib hloov. Thaum LME 3-hli tooj liab nyob ntawm$ 14,550 ib tonne thaum Lub Kaum Hli 10, nce$255.50 (+1.79%) rau hnubthiab+2.04% ntawm lub lim tiam, lub hnab ntawv tus nqi rau C68700 condenser raj tau hloov lawm. Thiab covChilean tawm tsam uas tau pib thaum Lub Kaum Hli 7tam sim no yog daim npav rho nyiaj uas txiav txim siab seb tus nqi Q4 tau nthuav dav ntxiv $200 - lossis nyob hauv nws tam sim no $16,800–$19,500/t qhia CIF band.
Vim li cas Q4 Yog C68700's Structural Demand Window
C68700 tau teev tseg qhov twg chlorides ntsib tooj liab: lub zog- chaw nres tsheb condensers siv dej hiav txwv lossis dej txias txias, ntau-theem flash thiab ntau- cuam tshuam desalination evaporators, cua refinery air-fin cooler bundles, thiab offshore HVAC chiller shells. Tsis muaj ib qho ntawm cov tshuab no tuaj yeem rov ua dua thaum lub caij ntuj sov xav tau siab tshaj plaws, vim tias cov neeg ua haujlwm xav tau lawv online. Txoj haujlwm tu vaj tse yog teem raulub caij nplooj zeeg lub xub pwg nyom, thaum daim phiaj load qis dua thiab ambient dej kub tseem sov txaus los ntsuas kub hloov tab sis txias txaus kom tsis txhob lom fouling thaum lub sij hawm kaw.
Peb lub voj voog xav tau tam sim no sib tshooj:
Fais fab- cog retubing.Ntau tshaj 60% ntawm lub ntiaj teb cov thee- muaj peev xwm raug rho tawm haujlwm muaj hnub nyoog tshaj 20 xyoo. Kev kho dua tshiab ntawm cov units no yog concentrated hauvLub Cuaj Hli mus txog Kaum Ib Hlis, ua ntej lub caij ntuj no ncov- lub sijhawm thauj khoom nyob rau sab qaum teb Hemisphere. Ib qho 600 MW thee chav tsev feem ntau siv80-140 tonnes ntawm C68700 condenser rajib retubing, nyob ntawm seb muaj pes tsawg tus passes thiab dej -box tsim. Ob los yog peb qhov retubings nyob rau hauv ib cheeb tsam siv hluav taws xob tsim kev xav tau tiag tiag.
Thaum tshav kub kub- hloov pauv hloov pauv.Decarbonization txoj cai nyob rau hauv cov teb chaws Europe thiab cov cheeb tsam ntawm North America yog thawb kev coj mus muag loj thiab muaj cua kub twj tso kua mis. Tsawg-GWP tub yees (R-454B, R-32, propane/R-290) xav tauloj dua tshav kub-exchanger deg cheeb tsamlos them nyiaj rau qis volumetric muaj peev xwm thiab txo qhov kub thiab txias glide. Txhua qhov cua sov- lub twj tso kua mis yog li siv cov raj tooj liab ntau dua li yav dhau los - tiam chiller nws hloov. Qhov tshwm sim: astructural kauj ruam -upnyob rau hauv tooj liab-alloy tube siv rau ib chav tsev ntsia.
Industrial chiller hloov.Kwv yees li 40-50 lab lub lag luam chillers tau teeb tsa hauv cov lag luam paub tab. Tightening yam tsawg kawg nkaus zog kev ua tau zoo qauv (MEPS) yog thawb cov neeg tsav tsheb los hloov units uas muaj hnub nyoog 15+ xyoo. Kev tsim tshiab nyiam tooj liab- alloy tube bundles rau lawv cov thermal conductivity thiab brazed -kev tsim kho kev sib raug zoo.
Peb lub voj voog ua ke tsim ib qhoAutumnal thov mem tesuas hits C68700 tshwj xeeb vim tias cov hlau alloy qhov arsenic inhibition ua rau nws lub neej seawater -sab xaiv nyob rau hauv cov laus fleets.
Lub Kaum Hli 2026 Market Snapshot
| Qhov taw qhia | Tus nqi (10 Oct 2026) | Nws txhais li cas rau C68700 |
|---|---|---|
| LME 3-hli tooj liab | $14,550 / tonnes | nce +$255.50 (+1.79%) rau hnub; +2.04% ntawm lub lim tiam. Qhov loj tshaj ib tus nqi nkag. |
| LME 3 lub hlis zinc | $3,801.50 / tonnes | Nce +2.47% rau hnub. ~ 20% ntawm alloy loj; txav nrog Cu. |
| LME 3-hli txhuas | $3,057 / tonnes | Nce +0.49% rau hnub. ~ 2% ntawm alloy loj; me tab sis tsim nyog. |
| LME nyiaj ntsuab vs 3M tooj liab | +$10-14/tonne | Rov qab me ntsis; sai cathode tseem nruj. |
| Yangshan tooj liab hwm | ~ $120 / tonnes | Tawm ntawm lub Cuaj hli siab tshaj ntawm $ 124; Asia lub cev xav tau tseem ruaj khov. |
| Chilean tooj liab-kub kuv | Kev tawm tsam txij li 7 Lub Kaum Hli | Thawj zaug hauv kuv li keeb kwm; kev txiav ntau lawm tuaj yeem ua tiav hauv 2 lub lis piam. |
| Refined tooj liab tso zis (Aug) | Tight hauv Asia, mos hauv Asmeskas | COMEX cov khoom lag luam tseem nce siab, tab sis LME warehouse drawdown txuas ntxiv. |
| FOMC | +25 bp on 16 Sep | Thawj tus nqi nce txij li xyoo 2023; USD lub zog caps ntxiv Cu upside nyob ze lub sij hawm. |
Qhov takeaway:cov ntaub ntawv raw- lub hnab ntawv yog nce thoob plaws tag nrho peb cov khoom siv alloy, tab sis lub siab loj dua taw tes rau lub Kaum Hli yog lubcev nqaij daim tawv - muab khoom siv los ntawm Chile. Qhov kev ua haujlwm ntaus ua tau kwv yees li 230,000 tonnes ntawm tooj liab mloog zoo hauv 2025; ib qho kev ncua ntev yuav tshem tawm 8,000–12,000 tonnes ntawm refined- sib npaug ntawm cov khoom siv thoob ntiaj teb ib hlis.
C68700 Sib npaug Qib Module
Cov pab pawg muag khoom hauv lub zog, desalination, thiab kev tsim nkoj ib txwm tau txais cov duab kos uas qhia txog ib lub teb chaws xaiv thiab xav tau los ntawm cov mills tau ntawv pov thawj mus rau lwm qhov. Cov lus hauv qab no qhia txog qhov sib npaug C68700 feem ntau. Cov chemistry yeej tseem zoo ib yam; qhov txawv yog tus qauv ntawv pov thawj txhua lub zeb xeem rau.
| Standard system | Qib code | Nominal muaj pes tsawg leeg | Cov ntawv tseem ceeb |
|---|---|---|---|
| UNS (USA) | C68700 | Cu 76–79%, Zn 19–22%, Al 1.8–2.5%, As 0.02–0.06% | ASTM B111, B395, ASME SB-111 hauv paus alloy |
| EN (Tebchaws Europe) | CW702R / CuZn20Al2As | CuZn20Al2As nrog tswj As | EN 12451, EN 12449 wrought tube txuj |
| GB / T (Tuam Tshoj) | HAL77-2 / HAL77-2 | Cu 76–79%, Zn 19–22%, Al 1.8–2.5%, As 0.03–0.06% | GB/T 8890 condenser thiab cua sov-exchanger tube |
| JIS (Nyiv) | C6870 | CuZn20Al2As sib npaug | JIS H3300 Tube Txuj |
| DIN (Lub teb chaws Yelemees) | 2.0460 / CuZn20Al2 | CuZn20Al2 nrog As ntxiv | DIN 1785; Feem ntau hloov los ntawm EN CW702R |
| BS (UK) | CZ110/CZ111 | CuZn20Al2 arsenical txhuas tooj dag | BS 2871 legacy npe |
| ISO | CuZn20Al2As | General ntaub ntawv npe | ISO 1634 Kev Tswj Xyuas |
Qhov taw qhia CIF Nqe los ntawm Cov Khoom Muag - Q3 vs Q4 2026
C68700 tsis yog ib yam khoom. Tus nqi tsim khoom sib txawv heev los ntawm cov ntawv raj, vim cov txheej txheem cov kauj ruam - thiab cov seem - poob tus nqi - txawv. Daim duab hauv qab no sib pivQ3 (Lub Yim Hli -Sep 2026) hloov pauv ntau yamtawm tsamQ4 (Lub Kaum Hli 2026) qhia cov lus qhiarau plaub daim ntawv uas tau txais ntau tshaj plaws.
Qhov taw qhia CIF tus nqi sib txawv rau plaub daim ntawv C68700 khoom, Q3 (Lub Yim Hli -Sep 2026) hloov pauv vs Q4 (Lub Kaum Hli 2026) qhia. LME 3M Cu siv kab ntawm $ 14,550 / t (10 Lub Kaum Hli 2026 kaw) qhia rau cov ntsiab lus. Txhua daim ntawv nthuav dav los ntawm $ 1,300- $ 1,800 / t ntawm Q3 txog Q4.
| Yam khoom | Q3 ntau (USD / t CIF) | Q4 qhia (USD/t CIF) | Q3 → Q4 nruab nrab hloov |
|---|---|---|---|
| Standard condenser raj (ASTM B111, OD 19-25 hli) | $15,500 – $17,800 | $16,800 – $19,500 | +8.6% |
| U- raj rau cov cua kub exchangers (ASTM B395) | $16,400 – $19,000 | $17,900 – $20,800 | +8.7% |
| Loj - txoj kab uas hla (OD 60–100 mm) | $14,200 – $16,800 | $15,600 – $18,400 | +9.9% |
| Phaj rau cov ntawv raj (ASTM B171) | $15,000 – $17,600 | $16,500 – $19,200 | +9.7% |
Cov kev hloov tsis sib xws.U-tubes nthuav dav tshaj plawsvim yog kev khoov ntxiv - cov txheej txheem cov khoom seem thiab cov sij hawm ua haujlwm ntev dua ntawm cov khw muag khoom khoov.Loj - txoj kab uas hlanthuav dav vim tias tsawg dua mills tuaj yeem tsim nws, thiab Q4 retubing xaj rau lub plhaub - thiab - raj kub exchangers nyob rau hauv lub hwj chim sector yog rub lub peev xwm.Phaj rau cov nplooj ntawvtxav nrog tube pricing, txij li thaum lawv feem ntau muab nyob rau hauv tib lub retubing pob.
Cov kab ntawv siv ntawm$14,550/t(LME 3M Cu, 10 Lub Kaum Hli 2026 kaw) qhia tau hais tias nyias cov nqaij nyoos - tooj liab li cas yog thaum tus nqi hlau alloy, tus nqi tsim khoom, thiab cov khoom thauj khoom ntxiv. Ib tug qauv condenser raj muag ntawm roughly1.15–1.34 × LME Cu tus lej. Qhov ntau yog qhov yuav tsum tau nthuav dav ntxiv yog tias Chilean tawm tsam ntev dua ob lub lis piam.
Chilean Wildcard
Ib qho loj tooj liab- kub kub nyob rau sab qaum teb Chile pib akeeb kwm thawj zaug - puas tau tawm tsam thaum Lub Kaum Hli 7, 2026, tom qab daim ntawv cog lus kev sib tham nrog lub union poob lawm. Lub koomhaum tau ceeb toom tias, yog tias kev tawm tsam txuas ntxiv, kev ua haujlwm tuaj yeem pibntau lawm txiav nyob rau hauv kwv yees li ob lub lis piam.
Peb yam ua rau qhov kev txwv no txawv ntawm kev ua haujlwm hauv Chilean yav dhau los:
Nws yog tooj liab-kuv kub, tsis yog tooj liab dawb huv.Qhov sib xyaw ntawm cov nyiaj tau los txhais tau hais tias qhov kev txiav txim siab tawm tsam hnyav kub - tus nqi txiav txim siab txawv dua li ntawm kev ua haujlwm ntshiab - tooj liab. Qhov kev sib cog lus tsis sib haum xeeb tsis sib haum nrog lub Cuaj Hlis tso cai pov npav ntawm lwm qhov loj hauv Chilean tooj liab.
Cov concentrate yog xa mus rau thib peb -smelters.Ib Chilean nres tsis ncaj qha mus rau ib tug neeg raug kaw smelter; Hloov chaw, nws tshem tawm mloog zoo los ntawm qhov chaw ua lag luam, uas txhawb nqa TC / RC siab ntawm cov khoom smelters ntxiv thiab ua kom nruj thoob ntiaj teb cov khoom lag luam tsis ncaj.
Lub sijhawm sib tshooj nrog Q4 retubing qhov rais.Fais fab- cog thiab desalination buyers uas tau tos rau ib tug tooj liab- nqi poob mus rau hauv lub lag luam tam sim no sib tw nrog rau ib leeg rau cov khoom xa tuaj. Yog tias qhov kev tawm tsam txuas ntxiv, qhov kev sib tw rau tam sim tonnage intensifies.
Qhov no txhais li cas rau tus neeg yuav khoom C68700:xauv tus nqi rau Q1 2027 xa khoom ua ntej nruab nrab -Kaum Ib Hlis. Kev sib xyaw ua ke ntawm Q4 nruj qhov rais retubing, muaj kev pheej hmoo nyob hauv Chilean, thiab LME Cu kev lag luam uas twb tau nce 41% xyoo-rau- xyoo yog hom kev teeb tsa uas keeb kwm daws teeb meem hauvib kauj ruam $200–$400/t-ntau tshaj plaub mus rau rau lub lis piam, tsis yog ib tug ntse ntse.
Q4 Cov Ntsiab Lus Txiav Txim Siab
Rau cov neeg yuav khoom ntawm C68700 raj - seb puas yog rau lub zog- cog condensers, desalination evaporators, refinery bundles, los yog offshore HVAC - tsib lub ntsiab lus txiav txim siab rau lub Kaum Hli Ntuj tas los:
Paub meej ASTM B111 lossis B395 tsab.Cov ntawv 2018 vs 2024 muaj qhov sib txawv -tam sim no thiab hydrostatic xeem cov qauv lees txais. Ib tsab ntawv 2024 retubing specification yuav xav tau cov ntawv pov thawj tshiab tshiab thiab tej zaum yuav tsis suav qee cov kab ntau lawm.
Xauv Q1 2027 nqe tam sim no, txawm tias tus nqi me me.Mill txhuas lub sij hawm rau C68700 condenser raj twb 10-14 lub lis piam. AQ1 2027 qhov chaw xa khoom xa tuaj rau lub Kaum Hlis ruaj khov rau qhov chaw tsim khoom; kev txiav txim rau lub Kaum Ob Hlis yuav raug thawb mus rau Q2.
Qhia cov ntsiab lus arsenic li 0.02-0.06%.Tsis txhob lees txais "kawg" lossis "sib npaug" cov lus piav qhia arsenic. Arsenic yog tus dezincification inhibitor, thiab nws cov ntsiab lus yam tsawg kawg nkaus yuav tsum yog nyob rau hauv MTC rau tej dej hiav txwv los yog brackish - dej kev pab cuam.
Nug rau tube-cov ntaub ntawv sib raug zoo.C68700 cov raj feem ntau yog dov rau hauv cov ntawv raj ntawm Muntz hlau (C28000) lossis naval tooj dag (C46400). Galvanic compatibility yuav tsum tau lees paub; txwv tsis pub, lub raj - daim ntawv dhau los ua qhov cuam tshuam corrosion hauv cov khoom sib dhos.
Ua ntej- phau ntawv tshuaj xyuas qhov qhib.Thib peb-cov chaw soj ntsuam tog tseem nyob rau qhov siab tshaj plaws hauv Q4. Tuav lub qhov rai tshuaj xyuas tam sim no zam qhov xwm txheej uas cov raj tau npaj rau ntawm lub zeb tab sis tsis tuaj yeem nkoj vim tias tus neeg soj ntsuam tsis muaj.
FAQ
Q: Q1. Puas yog C68700 zoo ib yam li "txhuas tooj dag" hauv cov duab qub?
A: Yog. C68700 yog UNS niaj hnub tsim rau qhov qub specifications hu ua "aluminium brass" lossis "arsenical aluminium brass." Qhov sib ntxiv ntawm arsenic yog qhov ua rau nws tsim nyog rau kev pabcuam dej hiav txwv. Yog tias daim duab tsis qhia cov ntsiab lus arsenic, paub meej tias daim ntawv thov ua ntej hloov.
q :q2. C68700 puas tuaj yeem siv rau hauv cov tshuab dej tshiab?
A: Yog, thiab nws feem ntau yog - tshwj xeeb tshaj yog qhov uas tus neeg teb xov tooj xav tau ib qho kev sib xyaw ua ke ntawm - cov khoom siv hluav taws xob sib hloov. Qhov downside yog tus nqi: C68700 kim dua C44300 admiralty tooj dag rau cov dej huv huv, thiab C70600 Cu-Ni 90/10 yog qhov nyiam rau cov kev pabcuam chloride tshaj plaws.
q:q 3. Lub sij hawm xa khoom zoo li cas rau C68700 condenser raj hauv Q4 2026?
A: Standard qhov ntau thiab tsawg (OD 19–25 mm) nyob rau hauv zeb kom muaj nuj nqis: 10–14 lub lis piam rau Q1 2027 cov khoom xa tuaj. U-tub thiab loj- txoj kab uas hla: 14–20 lub lis piam. Phaj rau cov ntawv raj: 8-12 lub lis piam yog tias tib lub zeb tseem muab cov hlab.
q:q 4. Vim li cas tus nqi sib txawv ntau dua li nce mus rau ib tus lej?
A: C68700 tus nqi sib txawv los ntawm daim ntawv, qhov ntev, qhov kub thiab txias, kuaj raws tu qauv, thiab txiav txim kom muaj nuj nqis. Ib qho 1-tonne qhov chaw txiav txim rau qhov tsis-tus qauv yuav hais tau zoo tshaj li 50-tonne zeb txiav txim rau tus qauv qhov ntev. Qhov ntau yam ntes qhov sib kis ntawm ob qhov kawg ntawm kev ua lag luam.
q:q 5. Cov neeg yuav khoom yuav tsum tos txog tus nqi poob?
A: LME 3M Cu kev lag luam tab tom ua lag luam nyob rau hauv $ 14,200– $ 14,600 / t ntau tshaj tawm - Hnub so Suav teb. Lub caij nyoog Q4 retubing thov thiab Chilean khoom txaus ntshai ob leeg tawm tsam tos. Cov qauv keeb kwm yog tias Q4 tooj liab peaks thaum lub Kaum Ib Hlis lossis Lub Kaum Ob Hlis thaum ntxov, tsis yog lub Kaum Hli.
