Dab tsi yogH68 tooj?
H68 tooj dag yog ib qho -theem tooj liab-zinc alloy (nrog zinc cov ntsiab lus kwv yees li 32%) hauv Suav teb tus qauv. Nws belongs rau qeb ntawm siab - zoo tib yam tooj dag. Vim nws qhov sib npaug ntawm plasticity, machinability, thiab corrosion kuj, nws yog ib qho ntawm ntau hom tooj dag siv hauv kev lag luam. Hauv qab no yog nws cov lus qhia ntxaws ntxaws.
Tau txais H68 Brass Spec Sheet
Core Chemical Composition (GB/T 5231-2022 Txuj)
| Element | Cov ntsiab lus ntau (feem ntau) | Kev piav qhia |
|---|---|---|
| Copper (Cu) | 67.0% – 69.0% | Cov ntsiab lus tseem ceeb, txiav txim siab cov khoom siv alloy. |
| Zinc (Zn) | Qhov nyiaj tshuav (~ 31% - 33%) | Lub ntsiab alloying ntsiab, kho lub zog. |
| impurity (Pb) | Tsawg dua lossis sib npaug li 0.03% | Environmental qib yuav tsum tau; qee cov qauv yuav tso cai tsawg dua lossis sib npaug li 0.07%. |
| impurity (Fe) | Tsawg dua lossis sib npaug li 0.10% | Tswj kom tsis txhob cuam tshuam rau machinability. |
| impurity (Sn) | Tsawg dua lossis sib npaug li 0.05% | Tiv thaiv embrittlement, kom plasticity. |
| Tag nrho cov impurities | Tsawg dua lossis sib npaug li 0.30% | Kev tswj nruj nruj kom ruaj khov ua haujlwm. |
Key Performance Parameters
Lub cev muaj zog:
Ceev: 8.50 - 8.55 g / cm³ (ntawm 20 degree)
Melting Point: 930 - 960℃(nws txawv me ntsis nrog zinc cov ntsiab lus)
Hluav taws xob conductivity: 25% - 30% IACS (chaw kub)
Thermal conductivity: 115 - 125 W / (m·K) (chaw kub)
Coefficient ntawm Thermal Expansion (20-200 degree): 19.5 × 10⁻⁶ / degree
Modulus ntawm Elasticity: ~ 110 GPa (lub xeev annealed)
Mechanical Properties(Varies nrog kev ua haujlwm):
| Txheej txheem txheej txheem | Tensile zog (MPa) | Yield zog (MPa) | Elongation (%) | Vickers Hardness (HV) |
|---|---|---|---|---|
| Annealed (M) | 280 – 350 | Ntau tshaj los yog sib npaug rau 120 | Ntau dua lossis sib npaug li 55 | 60 – 100 |
| Ib nrab -Hard (Y2) | 380 – 480 | Ntau dua lossis sib npaug li 200 | Ntau dua lossis sib npaug li 25 | 90 – 140 |
| Hard (Y) | 500 – 600 | Ntau dua lossis sib npaug li 350 | Ntau tshaj los yog sib npaug rau 10 | 130 – 180 |
Corrosion Resistance & Machining Performance:
Corrosion Resistance: Zoo nyob rau hauv huab cua, dej tshiab, thiab nruab nrab ntsev daws. Qhia qee qhov kev kam rau cov organic acids tsis muaj zog (piv txwv li, acetic, citric), tab sis nws yooj yim rau kev ntxhov siab corrosion cracking (SCC) nyob rau hauv ib puag ncig uas muaj ammonia, hydrogen sulfide, thiab muaj zog acids (xws li hydrochloric, nitric). Ntev - yuav tsum zam kev sib cuag, lossis siv kev kho mob passivation.
Machining Performance:
Ua haujlwm txias: Zoo heev plasticity; haum rau kev sib sau ua ke xws li sib sib zog nqus nqus, ncab, khoov, txias taub hau. Txias deformation tus nqi ntawm anneals tuaj yeem tshaj 85%, zoo tagnrho rau nyias -walled, tshwj xeeb- zoo li qhov chaw.
Kub Ua HaujlwmKub ua haujlwm kub 750 - 850 degree; tuaj yeem forged, kub- dov, extruded. Post- yuav tsum tau ua cov txheej txheem annealing los txo kev ntxhov siab.
Machineability: Nruab nrab (machinability ntsuas ~ 70%); yuav tsum tau tshwj xeeb txiav kua; haum rau tig thiab milling precision qhov chaw.
Weldability: Haum rau muag muag, brazing, TIG vuam; gas shielded vuam cov txiaj ntsig yog qhov nruab nrab. Tshaj tawm -weld annealing yog pom zoo.
Suav Standards: GB/T 5231-2022 (Brass Chemical Composition), GB/T 2059-2000 (Brass Strip/Plate), GB/T 1527-2017 (Brass Tube), GB/T 4423-2017 (Brass Rod). Cheebtsam hauv kev sib cuag nrog cov dej haus yuav tsum ua raws li GB / T 17219-1998 cov kev cai noj qab haus huv.
Cov qhab nia sib npaug thoob ntiaj teb:
| Standard System | Qib sib npaug | Sau ntawv |
|---|---|---|
| US Standard | C26200 (CDA262) | Me ntsis zinc cov ntsiab lus (31% -34%), kev ua haujlwm zoo sib xws. |
| European Standard | CW506L (CuZn33) | High compositional match, feem ntau interchangeable. |
| British Standard | CZ108 | Qhov sib txawv me ntsis hauv kev tswj hwm impurity. |
| Japanese Standard | C2680 | Sib npaug rau H68, dav siv. |
| German Standard | 2.0280 | Muaj 32% zinc, zoo ib yam. |
Cov ntawv thov khoom thiab cov ntawv thov ib txwm
Cov Khoom Muag Khoom:
Phaj / Sawb: Thickness 0.05 - 50 mm (cov strips feem ntau rau cov khoom siv hluav taws xob, cov phaj rau cov khoom siv).
Qws: Txoj kab uas hla 3 - 500 mm (puag ncig, square; haum rau lub taub hau txias, machining).
Tube: Sab nraud txoj kab uas hla 6 - 219 hli (seamless, welded; siv rau kev thauj cov kua).
Hlau: Txoj kab uas hla 0.1 - 20 mm (siv rau weaving, rivets, springs).
Core Application Areas:
Electronics / Hluav taws xob: Connector terminals, relay hu springs, lead thav duab, hloov kev sib cuag (siv siab conductivity + yooj yim forming).
Precision Machinery: Saib / moos qhov chaw, ntsuas vaj tsev nyob, valve cores, hydraulic bellows (nyob ntawm siab plasticity + dimensional stability).
Architecture / Kho kom zoo nkauj: Cov kav dej fittings, qhov rooj kov, kho kom zoo nkauj trim, teeb vaj tse (sib npaug zoo nkauj + atmospheric corrosion kuj).
Automotive: Radiator fins, roj kab txuas, hluav taws xob txuas (xws li kev ua haujlwm txias + cua sov xav tau).
Lwm yam: Cov khoom siv suab paj nruag (piv txwv li, lub cev saxophone), cov hniav zipper, cov iav tsom iav, cov kav dej haus fittings (ua tau raws li ib puag ncig).
Qhov sib txawv ntawm Cov Qib Zoo sib xws (H62, H70, C26000)
| Qib | Qhov txawv tseem ceeb | Hom Daim Ntawv Thov Kev Pom Zoo |
|---|---|---|
| H68 | 32% Zn, zoo plasticity, zoo corrosion kuj. | Complex forming, precision qhov chaw, sib sib zog nqus- kos Cheebtsam. |
| H62 | 38% Zn, siab zog, me ntsis plasticity. | Cov khoom siv, fasteners, nqi - kho vajtse zoo. |
| H70 | 30% Zn, me ntsis dua conductivity, zoo li yas. | Cov khoom siv hluav taws xob, cov dab dej kub, cov khoom siv kho kom zoo nkauj. |
| C26000 | US sib npaug rau H70, 30% Zn, stricter impurity tswj. | Cov khoom lag luam xa tawm, siab - cov khoom muaj tseeb nrog cov kev xav tau. |
Tau Dedicated Engineer Support
Peb lub Hoobkas
Peb lub Hoobkas tau nruab nrog kev ua tiav tag nrho - txheej txheem tooj liab ua cov kab ntau lawm, tshwj xeeb hauv kev tsim cov siab - cov phaj tooj liab, cov raj tooj liab, tooj liab rods, tooj liab xov hlau, thiab tooj liab strips. Lub hauv paus ntawm peb cov khoom muaj xws li nruam casting thiab dov units, precision extrusion kab, siab -ceev txias dov khoom, multi- yob precision dov mills, raj tshuab kos duab, thiab ntse stretching ntau lawm kab. Peb kuj tau muab tso nrog cov cuab yeej tshuaj xyuas zoo xws li spectrometers thiab online eddy tam sim no flaw detectors, ua kom tag nrho - txheej txheem tswj los ntawm smelting thiab casting, kub ua, kom txias tiav. Peb cov khoom ua tiav qhov tseeb txog li ± 0.01mm, nrog rau txhua xyoo muaj peev xwm ntau tshaj 50,000 tons. Lawv tau siv dav hauv cov khoom siv hluav taws xob, hluav taws xob, kev thauj mus los, thiab qib siab -kev tsim khoom kawg. Muaj ntawv pov thawj nrog cov qauv thoob ntiaj teb xws li ISO9001 thiab IATF16949, peb muaj peev xwm muab cov neeg siv khoom thoob ntiaj teb nrog ib qho - nres cov khoom siv tooj liab.
Brass khoom ntim
Peb siv cov txheej txheem ntim khoom raws qib thiab kho raws li: tooj liab daim hlau yog ob npaug - qhwv nrog cov dej noo- cov ntaub ntawv pov thawj thiab vapor corrosion inhibitor zaj duab xis ua ntej muab tso rau hauv cov ntoo crates, uas tau ntim nrog cov ntaub ntawv cushioning thiab nruab nrog cov cuam tshuam - tiv thaiv kaum tiv thaiv; cov raj tooj liab thiab cov pas nrig raug kaw nrog lub hau yas kawg, qhwv nrog PE tiv thaiv zaj duab xis, thiab tom qab ntawd muab tso rau hauv cov hlau - cov thawv logistics, nrog EPE pearl paj rwb sib cais txhua txheej; tooj liab xov hlau yuav raug mob mus rau cov spools, nqus tsev vacuum- kaw, npog nrog waterproof zaj duab xis, thiab ruaj ntseg ntawm customized hlau- ntoo pallets; tooj liab strips yog qhwv nrog cov ntaub uas tsis yog -woven, coiled mus rau siab - lub zog steel cores, thiab muab tso rau hauv waterproof composite khoom coils nrog desiccants nyob rau hauv. Tag nrho cov ntim tau dhau los ntawm ISTA-3A kev kuaj thauj mus los, thiab cov thawv sab nrauv tau sau nrog cov khoom siv phom sij thoob ntiaj teb, cov lus ceeb toom ntawm cov dej noo, thiab cov lej scannable logistics, kom ntseeg tau tias cov khoom thauj tuaj yeem tiv taus ya raws, cuam tshuam, thiab tshuaj yaig thaum lub caij tsheb thauj mus los thoob ntiaj teb.
Tau Txais Cov Lus Qhia Ceev & Logistics Plan
