Gnee  Hlau  (Tianjin)  Co.,  Ltd.

H68 tooj dag hlau

Feb 05, 2026

Dab tsi yogH68 tooj?

H68 tooj dag hlau (C2680 tooj dag hlau) yog qhov siv ntau tshaj plaws ntawm cov tooj dag zoo tib yam. Nws ua raws li GB/T 14954-1994 tus qauv, yog nyob rau hauv ib nrab- lub xeev nyuaj, thiab muaj ntau yam specifications ntawm 4.0–6.0 mm. Cov qib sib xws yog H68 thiab C2680. Nws cov tshuaj muaj pes tsawg leeg feem ntau suav nrog tooj liab (63.5% - 68.0%) thiab zinc, nrog cov lej ntawm cov hlau lead, hlau, thiab lwm yam. Nws qhov kev ua tau zoo poob ntawm H70 thiab H65. Nyob rau hauv chav tsev kub, nws lub zog tensile ntau dua los yog sib npaug rau 375 MPa, thiab nws elongation yog ntau dua los yog sib npaug rau 13%. Qhov kub ua hauj lwm kub yog 750-830 degree, qhov kub thiab txias annealing yog 520-650 degree, thiab qis -kub annealing ntawm 260-270℃yuav tsum tau los txo cov kev ntxhov siab sab hauv. Nws yog qhov tsim nyog rau kev ua haujlwm txias thiab kub siab thiab feem ntau yog siv rau hauv kev tsim cov khoom txias-stamped qhov chaw xws li tshuab raj.

 

Khoom npe: H68 tooj dag hlau, C2680 tooj dag hlau (ib nrab- nyuaj, 4.0-6.0 mm)

Qib: H68 C2680

Txuj: GB/T 14954-1994

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Yam ntxwv

Nws qhov kev ua tau zoo yog nruab nrab ntawm H70 thiab H65; nws tsis tshua kim dua H70 thiab kuj muaj lub zog siab thiab plasticity. Nws tuaj yeem tiv taus txias thiab kub siab ua haujlwm zoo tab sis muaj kev nyiam rau corrosion cracking. H68 tooj dag muaj cov yas zoo heev thiab muaj zog heev. Nws muaj cov machinability zoo, yog ib qho yooj yim rau welding, thiab ruaj khov heev tiv thaiv corrosion, tab sis nws yog feem ntau corrosion cracking. Nws yog qhov siv ntau yam ntawm cov tooj dag zoo tib yam. Kev ua tau zoo ntawm H68 tooj dag zoo ib yam li H70, tab sis nws muaj kev nyiam rau "lub caij tawg" thaum ua haujlwm txias. Nws yog siv rau qhov txias txias- stamped thiab sib sib zog nqus- kos qhov chaw, xws li hauv qab.

 

Tshuaj muaj pes tsawg leeg

Tooj liab (Cu): 63.5-68.0%

Zinc (Zn): Sib npaug

Lead (Pb): Tsawg dua lossis sib npaug rau 0.03%

Phosphorus (P): Tsawg dua lossis sib npaug rau 0.01%

Hlau (Fe): Tsawg dua lossis sib npaug rau 0.10%

Antimony (Sb): Tsawg dua lossis sib npaug rau 0.005%

Bismuth (Bi): Tsawg dua lossis sib npaug rau 0.002%

Lus Cim: Tag nrho cov impurities Tsawg dua lossis sib npaug rau 0.3%

 

Mechanical Properties

Tensile Strength: Ntau dua lossis sib npaug li 375 MPa

Elongation: Ntau dua lossis sib npaug li 13%

Lus Cim: Chav ntsuas kub tensile txhua yam khoom rau cov hlau rods uas tsis yog rau cov ntawv thov xauv thiab moos.

Sample Size: Diameter >4.0-6.0 hli

 

Kev kho cua sov Specifications

Kub ua haujlwm kub: 750-830 degree

Annealing kub: 520-650 degree

Tsawg-Tsuas Muaj Kev Nyuaj Siab Kev Nyuaj Siab Annealing Kub: 260-270℃.

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.

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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.

H68 brass tube for heat exchanger

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