Cold-rolled Steel Coil
Thaum lub sij hawm txias dov txheej txheem, cov hlau kub dov yog thawj zaug kom tshem tawm cov oxide nplai los yog impurities ntawm qhov chaw. Tom qab ntawd, cov hlau hla dhau los ntawm cov txheej txheem ntawm cov chais uas siv lub siab, thiab cov tuab yog maj mam txo, thiab qhov ua tiav saum npoo zoo tuaj. Cov txheej txheem no tseem tuaj yeem ua kom lub zog thiab hardness ntawm cov hlau.
Cold dov steel coils muaj kev ua tau zoo heev, thiab txias dov tuaj yeem tsim cov kab mob khaub thuas dov thiab daim hlau nrog thinner thickness thiab ntau dua precision. Cov ntawv txias dov muaj qhov ncaj ncaj, nto tiav thiab smoothness, thiab saum npoo yog huv si thiab ci. Cold rolled steel coils yog ib qho yooj yim rau xim thiab txheej txheem, muaj kev ua haujlwm siab stamping thiab cov ntsiab lus qis, yog li lawv tau siv dav, feem ntau hauv tsheb thiab cov khoom siv hauv tsev. Nyob rau tib lub sijhawm, txias dov steel coils kuj yog cov khoom siv rau kev tsim cov galvanized steel coils thiab galvanized steel coils.
Cold rolled steel coil qib
Kev faib tawm qib ntawm cov khoom siv txias txias steel coils feem ntau yog nyob ntawm cov khoom xws li nws cov khoom siv kho tshuab, qhov zoo, kev siv, thiab tshuaj muaj pes tsawg leeg. Ntau lub teb chaws thiab cov qauv txheej txheem (xws li Tuam Tshoj GB, US ASTM, Nyiv JIS, Europe EN, thiab lwm yam) muaj cov txheej txheem kev faib tawm sib txawv rau cov qib ntawm cov hlau coils txias.
1. Kev faib tawm los ntawm kev siv thiab cov khoom siv tshuab
SPCC: Lub hom phiaj dav dav dav hlau cov pa roj carbon monoxide, sib npaug rau SPCC hauv JIS tus qauv, feem ntau siv rau kev stamping thiab sib sau.
SPCD: Stamping qib txias dov hlau, muaj ductility zoo dua SPCC, haum rau nruab nrab sib sib zog nqus nqus.
SPCE: Sib sib zog nqus nqus qib txias dov hlau, muaj cov ductility ntau dua, siv rau cov khoom siv stamping nyuaj (xws li cov khoom siv tsheb)
(2) Lub zog muaj zog hlau
HSS (High Strength Steel): suav nrog lub zog siab qis alloy steel (HSLA), dual-theem steel (DP), martensitic steel (MS), thiab lwm yam, siv rau lub teeb yuag ntawm lub tsheb.
BH Steel (Bake Hardening): Ci hardening steel, uas ua rau kom muaj zog los ntawm kev kho cua sov.
(3) Cov hom phiaj tshwj xeeb steel
Hluav taws xob cov hlau (silicon steel): xws li DW (tsis yog-oriented silicon steel) los yog DQ (taw qhia txog silicon steel), siv rau lub cev muaj zog thiab transformer cores.
Coated steel ntawv substrates: xws li DC04 (European standard), siv rau tom ntej galvanizing (GI), galvanizing (GL), thiab lwm yam.
Qhov zoo ntawm txias dov steel kauj:
1. High dimensional precision, du nto, uniform thickness Cov txheej txheem txias dov tuaj yeem tsim thinner (txog 0.1mm) thiab cov tuab tuab steel coils nrog me me kam rau ua (± 0.02mm).
2. Cov khoom siv zoo heev thiab cov txheej txheem kev ua tau zoo yog qhov zoo heev (xws li lub zog siab dua, kev txwv qis qis, qhov hnyav zoo sib sib zog nqus kos duab, thiab lwm yam).
3. Cov khoom siv tuaj yeem hloov kho kom ua tau raws li qhov siab ceev dov, puv nruam dov, thiab ua haujlwm siab.
Cold-rolled Steel Coil muaj ntau yam kev siv
Cold dov steel coils tau dhau los ua cov ntaub ntawv tseem ceeb ntawm kev lag luam niaj hnub vim lawv qhov siab precision, siab zog, zoo heev nto zoo thiab zoo heev tsim kev ua tau zoo. Lawv tau siv dav hauv cov teb hauv qab no:
1. Kev tsim tsheb
Daim ntawv thov qhov chaw: lub cev vaj huam sib luag, chassis qhov chaw, lub rooj zaum ncej, ncua kev kawm ntawv, cov txheej txheem reinforcements, pa system, thiab lwm yam.
Core zoo:
High-precision qhov ntev: xyuas kom meej tias cov khoom haum zoo kawg nkaus thiab txhim kho kev sib dhos ua haujlwm.
Zoo heev nto zoo: tuaj yeem txau ncaj qha lossis electroplated kom txo tau cov nqi ua haujlwm tom qab.
Lub zog siab thiab lub teeb yuag: pab lub tsheb txuag hluav taws xob thiab txo qis emissions, thaum txhim kho kev nyab xeeb kev ua haujlwm.
2. Kev lag luam khoom siv hauv tsev
Cov khoom lag luam: tub yees, tshuab ntxhua khaub ncaws, qhov cub, cua txias thiab lwm yam vaj tse, sab hauv thiab cov khoom siv.
Core zoo:
Smooth thiab zoo nkauj: ua tau raws li qhov xav tau ntawm cov khoom siv hauv tsev high-end rau cov tsos.
Corrosion-resistant thiab ruaj khov: ntev cov khoom lag luam thiab hloov mus rau qhov chaw ntub dej.
Yooj yim rau txheej txheem thiab cov duab: haum rau stamping, dabtsi yog khoov thiab lwm yam kev tsim qauv tsim.
3. Architecture thiab kho kom zoo nkauj
Main siv: hlau ru tsev, kab hlau rhuav phab ntsa, steel lug, qhov rooj thiab qhov rais thav duab, thiab lwm yam.
Core zoo:
Lub zog siab & lub teeb yuag: txhim kho cov qauv tsim thiab txo cov nqi tsim kho.
Qhov ntev ruaj khov: xyuas kom tseeb qhov tseeb ntawm kev teeb tsa thiab txo cov kev ua yuam kev.
Smooth nto: tuaj yeem pleev xim ncaj qha lossis laminated los txhim kho kev zoo nkauj ntawm lub tsev.
4. Rooj tog thiab cia
Applied khoom: chaw ua hauj lwm rooj thiab cov rooj zaum, txee, txee, chaw cia khoom, thiab lwm yam.
Core zoo:
Cov qauv ruaj khov: muaj zog load-bearing muaj peev xwm, haum rau high-load scenarios.
Smooth nto: ntau yam kev kho deg (xws li tshuaj tsuag, txhuam hniav) tuaj yeem ua tau los txhim kho cov khoom qib.
Yooj yim rau txheej txheem: yooj yim txiav, vuam, khoov, thiab hloov kho raws li kev xav tau.
5. Cov kav dej thiab khoom siv kho vajtse
Cov teb uas siv tau: cov kav dej, cov kav dej, cov kav dej hauv tsev, cov khoom siv kho mob, thiab lwm yam.
Core zoo:
nruj kam rau ua: xyuas kom cov raj xa dej sealing thiab kev sib txuas kev ntseeg tau.
Siab thiab corrosion kuj: haum rau hnyav ib puag ncig thiab ntev kev pab cuam lub neej.
Formability zoo heev: yooj yim rau vuam, flaring thiab lwm yam ua.
6. Cov khoom siv hluav taws xob
Daim ntawv thov: hluav taws xob khoom, chassis, transformer vaj tse, precision hluav taws xob Cheebtsam, thiab lwm yam.
Core zoo:
High precision: ua tau raws li qhov yuav tsum tau ua ntawm cov khoom siv hluav taws xob precision.
Electromagnetic shielding: haum rau kev tiv thaiv cov khoom siv hluav taws xob rhiab heev.
Yooj yim rau stamp thiab daim ntawv: tsim nyog rau kev tsim cov txheej txheem nyuaj.
7. Ntim kev lag luam
Cov khoom tseem ceeb: cov kaus poom zaub mov, cov thawv tshuaj, cov thawv hlau, thiab lwm yam.
Core zoo:
Lub zog siab thiab siab tsis kam: xyuas kom muaj kev thauj mus los thiab kev nyab xeeb.
Anti-corrosion: ncua lub neej ntawm cov zaub mov thiab tshuaj ntim khoom.
Recyclable thiab environmentally friendly: nyob rau hauv txoj kab nrog cov qauv ntawm ntsuab ntim.
Qhov sib txawv ntawm txias dov steel kauj thiab kub dov steel kauj
1. Kev sib piv cov txheej txheem ntau lawm
Cold-dov steel kauj: chav tsev kub dov, pom tseeb ua hauj lwm hardening, annealing yog yuav tsum tau los kho cov yas, haum rau zus tau tej cov daim nyias nyias thiab high-precision cov ntaub ntawv. Txheej txheem khiav: kub-kuav los tiag phaj → pickling → txias dov → annealing → xov
Kub dov steel kauj: kub dov, yooj yim deformation, haum rau zus tau tej cov phaj tuab. Txheej txheem khiav: nruam casting → cua sov → kub dov → coiling
2. Kev sib piv ntawm lub cev
Kub dov: Muab piv nrog txias-kuav los tiag steel, kub dov steel coils muaj qis zog thiab hardness. Lawv feem ntau yog ductile thiab ntau dua rau deformation. Haum rau cov khoom siv dav dav, tus nqi qis tab sis qis precision.
Cold rolling: Cold-rolled steel coils muaj zog dua thiab hardness vim strain hardening tshwm sim thaum txias dov. Lawv muaj qhov tseeb dua qhov tseeb thiab meej cov khoom siv kho tshuab. Haum rau high-precision, high-strength qhov chaw, xws li automotive panels thiab hluav taws xob vaj tse
3. Kev kho deg
Kub-kuav los tiag steel coil: ntxhib nto, nrog oxide nplai (xav tau pickling), tsis tiav, yuav tsum tau xeb tshem tawm, sandblasting thiab lwm yam pretreatments
Cold-rolled steel coil: du nto, tsis muaj oxide nplai (tuaj yeem ncaj qha electroplated lossis txau), siab tiav, tuaj yeem pleev xim ncaj qha lossis plated
Lub tuam txhab muab qhov tseem ceeb rau qhov zoo ntawm cov khoom, nqis peev ntau hauv kev qhia txog cov cuab yeej siv siab heev thiab cov kws tshaj lij, thiab tawm mus ua kom tau raws li qhov xav tau ntawm cov neeg siv khoom hauv tsev thiab txawv teb chaws.
Cov ntsiab lus tuaj yeem faib ua roughly faib rau hauv: tshuaj muaj pes tsawg leeg, yield zog, tensile zog, tej yam khoom, thiab lwm yam
Nyob rau tib lub sijhawm, lub tuam txhab tseem tuaj yeem ua tiav kev tshawb nrhiav qhov tsis zoo hauv online thiab annealing thiab lwm yam kev kho cua sov raws li cov neeg siv khoom xav tau.
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Tianjin YuantaiDerun Steel Tube Manufacturing Group Co., Ltd.yog steel yeeb nkab Hoobkas tau ntawv pov thawj los ntawmEN/ASTM/ JISspecializing nyob rau hauv zus tau tej cov yeeb nkab square, galvanized yeeb nkab, ERW welded yeeb nkab, kauv yeeb nkab, submerged arc welded yeeb nkab, ncaj seam yeeb nkab, seamless yeeb nkab, xim coated steel coil, galvanized steel kauj thiab lwm yam steel khoom. Nrog rau kev thauj mus los yooj yim, nws yog 190 kilometers deb ntawm Beijing Capital International tshav dav hlau thiab 80 kilometers deb.
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