Galvanizing yog dab tsi thiab vim li cas nws tseem ceeb?
Galvanizing siv ib txheej zinc ntawm kub-dip immersion los tiv thaiv hlau los ntawm corrosion. Cov txheej zinc tsim kev tiv thaiv kev txi thiab ua rau oxidation qeeb txawm tias cov txheej yog khawb, uas ua rau muaj txiaj ntsig zoo rau kev ua neej nyob rau sab nraum zoov thiab kev lag luam.
xwm 51dthiabxwm 53dyog ob qib EN 10346 galvanized steel feem ntau piv rau kev tsim thiab kev txiav txim siab tsim khoom.
Mechanical Performance Comparison
| Metric | xwm 51d | xwm 53d |
|---|---|---|
| Yield zog (MPa) | ~140–300 | ~140–260 |
| Tensile zog (MPa) | ~270–500 | ~270–380 |
| Elongation (%) | Ntau dua lossis sib npaug 22 | Ntau dua lossis sib npaug li 28-30 |
| Zoo tshaj rau | Balanced zog/formability | Sib sib zog nqus draws & zoo dua uniform elongation |
xwm 53d's enhanced elongation ua rau nws zoo dua haum rau complex forming thiab sib sib zog nqus daim duab thaum tuav lub zog txaus.
Metallurgical thiab txheej txheem kev nkag siab
Ob qib pib ua txias- dov qis- cov pa roj carbon steel nrog cov khoom sib xws, tab sis qhov sib txawv me ntsis hauv kev ua haujlwm thiab kev ua haujlwm txias ua kom lub hom phiaj pab DX53D ua tiav cov qauv elongation zoo dua - qhov kom zoo dua hauv kev ua haujlwm ntawm qhov chaw txuas ntxiv yog qhov tseem ceeb.
Fabrication Considerations
- Formability & Springback
Cov qib siab elongation xws li DX53D qhia tau tias txo qis springback nyob rau hauv txoj kev dabtsi yog khoov thiab stamping txheeb ze rau DX51D, ua rau muaj kev nruj me ntsis tswj nyob rau hauv precision forming.
- Tooling cuam tshuam
Vim tias DX53D yuav xav tau lub zog punch ntau dua hauv qhov ntsuas hnyav, cov cuab yeej siv kev xav thiab cov tswv yim lubrication tseem ceeb hauv cov kab ntau lawm.
- Weld xyaum
Zinc txheej yuav tsum tau hais txog ntawm cov ntsiab lus weld kom tsis txhob muaj porosity; Kev coj ua ib txwm suav nrog kev tshem tawm cov txheej hauv zos lossis kev ua kom zoo dua rau qhov chaw galvanized.
Piv txwv daim ntawv thov
| Daim ntawv thov | Haum Qib |
|---|---|
| Automotive sab nrauv & sab hauv lub cev qhov chaw | xwm 53d |
| Cov cuab yeej siv hauv tsev | xwm 53d |
| Cladding & architectural panels | xwm 51d |
| Cov qauv tsim | xwm 51d |
DX53D feem ntau nyiam qhov twgsib sib zog nqus daim duab thiab puab complexityyog cov qauv tsim ua ntej, thaum DX51D ua haujlwm zoo rau kev tsim khoom siv nrog cov khoom siv sib npaug.
Ob qib cia siab rau zinc txheej rau corrosion kuj. Xaiv cov chav kawm txheej txheej tsim nyog xws li Z180, Z275, galvannealed, lossis ua ntej- pleev xim rau qhov ua tiav tuaj yeem cuam tshuam rau lub sijhawm ntev - kev ua tau zoo thiab xim adhesion.
Ntawm GNEE STEEL, peb muab tag nrho cov kev daws teeb meem ntawm galvanized steel xws li DX51D Z275, DX53D Z275, DX52D, txias-rolled steel, thiab ua ntej-painted galvanized khoom (PPGI/PPGL) nrog zoo ib yam thiab thoob ntiaj teb kev pab cuam export. Peb pab neeg ua haujlwm pab koj xaiv cov qib zoo thiab txheej txheej rau koj qhov project qhov kev ua tau zoo, kev tsim khoom, thiab lub hom phiaj ntev.
| Qib | Txheej | Txuj | Yield zog Re (MPa) | Tensile zog Rm (MPa) | Elongation A80 (min %) | r90 (min) | n90 (min) |
|---|---|---|---|---|---|---|---|
| xwm 51d | Z, ZA, ZF | TS EN 10346 | - | 270 - 500 | 22 | - | - |
| xwm 52d | Z, ZA, ZF | TS EN 10346 | 140 - 300 | 270 - 420 | 26 | - | - |
| xwm 53d | Z, ZA, ZF | TS EN 10346 | 140 - 260 | 270 - 380 | 30 | - | - |
| xwm 54d | Z, ZA, ZF | TS EN 10346 | 120 - 220 | 260 - 350 | 36 | 1.6 | 0.18 |
| xwm 56d | Z, ZA, ZF | TS EN 10346 | 120 - 180 | 260 - 350 | 39 | 1.9 | 0.21 |
| xwm 57d | Z, ZA | TS EN 10346 | 120 - 170 | 260 - 350 | 41 | 2.1 | 0.22 |
