Cov khoom siv hlau yog qhov tseem ceeb hauv kev lag luam niaj hnub vim lawv lub zog, kev tiv thaiv corrosion, thiab yooj yim ntawm fabrication. Ntawm lawv,DX54D galvanized steel ntawvsawv tawm rau ob qho tib si kev siv yooj yim xws li vov tsev thiab cov kev daws teeb meem zoo tshaj plaws xws li terraces thiab niaj hnub ru tsev.
Phau ntawv qhia no qhia txog nws cov yam ntxwv, qhov zoo, tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, cov txheej txheem tsim khoom, thiab kev siv, muab cov lus qhia dav dav rau engineers, architects, thiab cov neeg siv khoom lag luam.
DX54D Galvanized Steel Sheet yog dab tsi?
DX54D yog qhov qis- carbon, sib sib zog nqus- kos duab zoo steel coated nrog zinc ntawm kub-dip galvanization. Nws yog feem ntau siv rau hauv daim ntawv thov uas yuav tsum tau muaj siab formability thiab corrosion kuj, xws li:
Automotive lub cev panels thiab cov khoom
Cov qauv hlau rau kev tsim kho
Cov khoom siv hauv tsev zoo li lub tub yees thiab lub tshuab ntxhua khaub ncaws
Lub zinc txheej tiv thaiv cov hlau tiv thaiv xeb thiab tso cai rau kev nyab xeeb siv hauv qhov chaw ntub lossis ntub dej, ob qho tib si sab hauv tsev thiab sab nraum zoov.
Tshuaj muaj pes tsawg leeg ntawm DX54D
| Element | C | Mn | P | S | Al | Si | Ti |
|---|---|---|---|---|---|---|---|
| Max % | 0.12 | 0.60 | 0.10 | 0.045 | 0.015 | 0.50 | 0.30 |
Cov ntsiab lus qis carbon ua kom zoo heev formability thiab weldability.
Aluminium txhim kho deoxidation thiab drawability.
Zinc txheej adheres metallurgically rau saum npoo, muab lub sijhawm ntev - corrosion kuj.
Mechanical Properties
| Khoom | Tus nqi |
|---|---|
| Yield zog | 120-220 MPa |
| Tensile zog | 260-350 MPa |
| Elongation | Ntau dua lossis sib npaug li 36% |
| Brinell Hardness | 90-120 HB |
| Rockwell Hardness | 50–65 IB |
| Vickers Hardness | 100-130 HV |
| Elastic Modulus | 210 GPa |
| Strin Hardening Index | Ntau dua lossis sib npaug rau 0.18 |
DX54D lub siab ductility thiab kev ua haujlwm zoo ib yam ua rau nws tsim nyog rau kev kos duab sib sib zog nqus, stamping, thiab dabtsi yog khoov ua haujlwm yam tsis muaj qhov tawg lossis qhov tsis xws luag.
DX54D vs Lwm Cov Qib Hlau
| Parameter | xwm 54d | xwm 53d | General Steel Qib |
|---|---|---|---|
| Formability | Zoo heev rau kev kos duab sib sib zog nqus | Siab | Ntau yam |
| Tensile zog (MPa) | 260–360 | 270–370 | Nyob ntawm |
| Yield zog (MPa) | 120–220 | 140–260 | Ntau yam |
| Elongation (%) | Ntau dua lossis sib npaug li 36 | 30–40 | Ntau yam |
| Corrosion Resistance | Siab (zinc{0}}coated) | Siab | Ntau yam |
| Weldability | Zoo heev | Zoo heev | Ntau yam |
| Daim ntawv thov | Automotive, khoom siv, kev tsim kho | Automotive, khoom siv, kev tsim kho | Kev lag luam- tshwj xeeb |
| Nto Txheej | Zinc, Zn-Al, Zn-Mg | Zinc, Zn-Al, Zn-Mg | Ntau yam |
| Cov qauv | EN 10346, ASTM A653 | EN 10346, ASTM A653 | EN, ASTM, ISO |
Zinc Txheej Qhov Zoo
Lub +Z hauv DX54D + Z qhia txog kub -dip zinc txheej, uas muaj:
Kev tiv thaiv corrosion: Zinc ua raws li kev txi anode.
Extended lifespan: Tshaj 50 xyoo nyob rau hauv ib puag ncig raug.
Xim adhesion: Haum rau ua ntej - pleev xim los yog xim -coated tiav.
Deg aesthetics: Smooth thiab uniform tsos.
Durability nyob rau hauv hnyav tej yam kev mob: Resistant rau industrial, ntug hiav txwv dej, thiab huab cua puag ncig.
Txheej txheem ntau lawm
Kub-Dip Galvanization txheej txheem:
Kev Npaj Nto: Degreasing, pickling, thiab fluxing kom paub meej zinc adhesion.
Zinc Bath Immersion: Hlau yog dipped nyob rau hauv molten zinc ntawm 443-460 degree.
Txheej Tshuaj Ntsuam Xyuas: Thickness check siv hlau nplaum lossis XRF ntsuas.
Txias thiab Tswj Kev Tswj Xyuas Zoo: Kev tshuaj xyuas qhov muag kom pom kev zoo ib yam, smoothness, thiab tsis muaj qhov tsis xws luag.
Txheej Thickness Range: Z60 - Z600 (60–600 g / m²), nyob ntawm daim ntawv thov.
Kev xaiv kho saum npoo
Chemically passivated (C)
Oiled (O) los yog oiled me ntsis
Phosphate (P) lossis phosphate + oiled (PO)
Sealed (S)
Ua ntej- pleev xim rau (PE, PVDF, Xim Txheej)
Surface Finish Options:
N - Ib txwm Spangle
M - Minimized Spangle
Kev siv ntawm DX54D + Z Steel
1. Automotive: Lub cev vaj huam sib luag, fenders, hoods, thiab cov khoom siv.
2. Cov Khoom Siv Hauv Tsev: Cov kav dej tub yees, tshuab ntxhua khaub ncaws, qhov cub enclosures.
3. Roofing thiab Kev tsim kho: ru tsev ntawv, phab ntsa cladding, gutters, downpipes, thiab lub teeb steel framing.
4. Muaj thiab Kho kom zoo nkauj: Tubes, txee, thiab cov vaj huam sib luag zoo nkauj xav tau kev tiv thaiv corrosion thiab sib sib zog nqus- kos duab muaj peev xwm.
Ua ntej-Painted vs Non-Pre-Painted DX54D
| Feature | Ua ntej-Painted Steel | Tsis yog -Pre-Painted Steel |
|---|---|---|
| Txheej | Factory- siv, sib xws | Yuav tsum tau rau ntawm - qhov chaw painting |
| Durability | High, UV & corrosion resistant | Nruab nrab, nyob ntawm txheej |
| Aesthetic Options | Ntau yam xim | Txwv tsis pub |
| Lub neej ntev | 50+ xyoo | 15-20 xyoo |
| Nqi Efficiency | Siab dua pem hauv ntej, kev kho qis dua | Lower upfront, ntau dua kev tu |
Kev Ua Raws Cai
TS EN 10346: 2015 - Kev kub kub tsis tu ncua -dip galvanized steel rau kev sib sau txias
ASTM A653 / A653M - Zinc -coated steel ntawv specifications
TS EN ISO 3575 / 4998 Cov txheej txheem thoob ntiaj teb txheej txheej thiab cov cuab yeej siv tshuab
DX54D + Z galvanized steel ntawv yog tus nqi qis - carbon steel nrog exceptional formability thiab corrosion kuj, haum rau:
Automotive, khoom siv, thiab kev siv cov qauv
Sib sib zog nqus- kos duab ua haujlwm yam tsis muaj kev cuam tshuam rau kev ncaj ncees
Ntev - siv sab nraum zoov thiab kev lag luam vim yog zinc txheej
Nws kev sib xyaw ua ke ntawm kev ua haujlwm zoo, kev xaiv qhov chaw tiav, thiab cov txheej txheem ntev ua rau DX54D + Z yog cov khoom siv ntau yam rau kev lag luam niaj hnub thiab kev tsim kho.
Q1: DX54D + Z steel yog dab tsi?
DX54D + Z yog qhov kub tsis tu ncua -dip galvanized, ntxiv qhov sib sib zog nqus nqus txias txias- dov steel qib txhais los ntawm EN 10346. "DX54D" qhia tias lub hauv paus hlau muaj ntau dua formability thiab qis tawm lub zog tshaj DX53D, thaum "+Z" qhia txog zinc txheej ntawm ob sab rau kev tiv thaiv corrosion.
Q2: Tus qauv twg siv rau DX54D + Z steel?
DX54D + Z yog tsim raws li EN 10346, uas npog cov tshuaj muaj pes tsawg leeg, txhua yam khoom, zinc txheej loj, nto zoo, thiab qhov ntev kam rau ua rau tsis tu ncua galvanized ca steel.
Q3: Dab tsi yog cov khoom siv kho tshuab DX54D + Z muaj?
DX54D + Z feem ntau muaj lub zog tensile ntawm kwv yees li 270-420 MPa, lub zog tsis muaj zog rau kev txhim kho formability, thiab qhov tsawg kawg nkaus elongation ntawm ib ncig ntawm 28% (A80), ua rau nws zoo tagnrho rau complex stamping, sib sib zog nqus nqus, thiab dabtsi yog khoov ua haujlwm.
Q4: DX54D + Z txawv ntawm DX53D + Z li cas?
DX54D + Z muaj lub zog qis dua me ntsis thiab elongation ntau dua piv rau DX53D + Z, uas ua rau nws tsim nyog rau qhov sib sib zog nqus - kos duab lossis cov khoom tsim, qhov uas tsis txhob tawg thiab lub caij nplooj ntoos hlav - rov qab yog qhov tseem ceeb.
Q5: Dab tsi yog qhov "+Z" txheej qhia?
Lub cim "+Z" sawv cev rau qhov kub tsis tu ncua -dip zinc txheej siv rau ob sab ntawm cov hlau. Cov txheej txheej no muab kev tiv thaiv corrosion, ua kom lub neej ntev kev pab cuam ntawm cov khoom nyob rau hauv atmospheric los yog me ntsis corrosive tej yam kev mob.
Q6: Dab tsi zinc txheej hnyav muaj rau DX54D + Z?
Cov txheej txheem hnyav xws li Z10, Z15, Z20, Z25, Z30, thiab siab dua. Cov txiaj ntsig no sawv cev rau tag nrho cov zinc loj hauv g / m² ntawm ob sab. Cov txheej hnyav dua txhim kho corrosion tab sis tuaj yeem txo qis me ntsis formability.
Q7: DX54D + Z puas tuaj yeem welded?
Yog lawm, DX54D + Z tuaj yeem welded siv tus qauv tsis kam thiab arc vuam txoj kev. Zinc evaporation tej zaum yuav tshwm sim hauv zos thaum lub sij hawm vuam, yog li kev ua pa kom zoo thiab kev tswj cov txheej txheem raug pom zoo.