Galvanized ntawv
Galvanized ntawv yog hais txog ib daim ntawv hlau coated nrog ib txheej zinc ntawm qhov chaw. Galvanizing yog ib qho kev siv nyiaj txiag thiab kev tiv thaiv xeb uas feem ntau siv, thiab li ntawm ib nrab ntawm lub ntiaj teb zinc ntau lawm yog siv rau hauv cov txheej txheem no.
Raws li kev tsim khoom thiab kev ua haujlwm, nws tuaj yeem muab faib ua pawg hauv qab no:
Galvanized steel ntawv:Muab cov phaj nyias nyias mus rau hauv lub tank zinc molten kom ua rau nyias steel phaj nrog ib txheej ntawm zinc adhered rau nws nto. Tam sim no, cov txheej txheem galvanizing tsis tu ncua yog siv rau kev tsim khoom, uas yog, coiled steel phaj txuas ntxiv mus rau hauv lub tank galvanizing nrog molten zinc los ua ib lub phaj galvanized;
Alloyed galvanized steel phaj:Cov vaj huam sib luag steel no kuj yog tsim los ntawm txoj kev kub dip, tab sis nws yog rhuab mus txog 500℃tam sim ntawd tom qab tawm hauv lub tank, kom nws muaj peev xwm tsim ib tug alloy zaj duab xis ntawm zinc thiab hlau. Cov ntawv galvanized no muaj cov xim zoo adhesion thiab weldability;
Electro-galvanized steel phaj:Galvanized steel vaj huam sib luag tsim los ntawm electroplating muaj kev ua haujlwm zoo. Txawm li cas los xij, cov txheej yog nyias dua thiab nws cov kev tiv thaiv corrosion tsis zoo li cov ntawv kub kub -dip galvanized los xij
Corrosion kujtxhais lub sijhawm ntev - tus nqi ntawm galvanized steel. Hauv qabTS EN 10346, qhov kev ua tau zoo yog txuas ncaj qha rau zinc txheej loj, lub hauv paus steel zog, thiab ib puag ncig raug, ua rau nws tseem ceeb rau cov engineers thiab cov neeg yuav khoom kom nkag siab tias DX51D + Z cov khoom ua haujlwm li cas dhau sijhawm.
Cov khoom xyaw (chemical composition)
| Element | Cov ntsiab lus ntau (wt%) | Muaj nuj nqi |
|---|---|---|
| Cov pa roj carbon (C) | Tsawg dua lossis sib npaug li 0.12 | Txhim kho ductility. |
| Manganese (Mn) | Tsawg dua lossis sib npaug li 0.60 | Ua kom muaj zog. |
| Phosphorus (P) | Tsawg dua lossis sib npaug li 0.025 | Tiv thaiv kom txias brittleness. |
| Sulfur (S) | Tsawg dua lossis sib npaug li 0.025 | Txhim kho machinability. |
| Aluminium (Al) | Ntau dua lossis sib npaug rau 0.020 | Txhim kho txheej adhesion. |
Cov yam ntxwv ua haujlwm
| Khoom | Parameter Range |
|---|---|
| Tensile zog | 270-350 MPa |
| Yield zog | 140 ~ 240 MPa |
| Elongation (A80) | Ntau dua lossis sib npaug li 22% (pob txha elongation, haum rau kev sib sib zog nqus nqus) |
| Galvanized txheej hnyav | Cov qib: Z60 (60g / m²), Z120 (120g / m²), Z180 (180g / m²), Z275 (275g / m²), thiab lwm yam. |
| Corrosion Resistance | Tshuaj tsuag ntsev: 100 ~ 500 teev tsis muaj xeb liab. |
| Nto Zoo | Zinc spangle nto (tsis tu ncua spangle, spangle loj, me spangle) los yog du nto (tsis muaj zinc paj, haum rau txau). |
Zinc Txheej & Kev Tiv Thaiv Corrosion
| Mechanism tiv thaiv | Kev piav qhia |
|---|---|
| Barrier effect | Kev cais lub cev los ntawm ib puag ncig |
| Kev tiv thaiv kev txi | Zinc corrodes ua ntej hlau |
| Tiv thaiv txiav ntug | Ib puag ncig zinc tiv thaiv cov hlau raug |
Hom Kev Pabcuam Lub Neej Cia Siab
| Ib puag ncig | +Z60 | +Z140 | +Z275 |
|---|---|---|---|
| Nroog | ~ 8-12 xyoo | 15-20 xyoo | 25-30 xyoo |
| Nyob deb nroog | ~ 10-15 xyoo | 20-25 xyoo | 30+ xyoo |
| Kev lag luam | ~ 7-12 xyoo | 14-18 xyoo | 25 xyoo |
| Ntug hiav txwv | ~ 5-8 xyoo | 10-15 xyoo | 20-25 xyoo |
* Lub neej tiag tiag txawv nrog huab cua, av noo, thiab cov pa phem.
Xaiv cov txheej txheej zoo rau koj qhov project
| Hom phiaj | Pom zoo Txheej |
|---|---|
| Sab hauv tsev | +Z60 |
| Cov tsev lag luam | +Z100 / +Z140 |
| Cov nroj tsuag muaj | +Z180 |
| Marine ib puag ncig | +Z275 |
GNEE STEELQhov kev lees paub zoo suav nrog kev tshuaj xyuas txheej txheem thiab kev ntsuas kev ua tau zoo, ua kom koj cov khoom yuav DX51D + Z EN 10346 galvanized steel muab txhim khu kev qha corrosion nyob rau hauv tiag tiag -cov kev pabcuam hauv ntiaj teb, txhawb nqa los ntawm daim ntawv pov thawj thiab traceability.
FAQ:
1. DX51D piv nrog DX52D thiab DX53D li cas?
Teb: DX51D yog rau kev sib sau ua ke, thaum DX52D thiab DX53D muaj kev txhim kho sib sib zog nqus- kos duab kev ua tau zoo.
2. Lub sij hawm xa tuaj rau DX51D galvanized steel yog dab tsi?
Teb: Lub sij hawm xa khoom feem ntau yog 15-30 hnub, nyob ntawm qhov kev txiav txim loj, cov lus qhia tshwj xeeb, thiab cov sijhawm tsim khoom.
3. Puas yog DX51D haum rau vuam?
Teb: Yog. DX51D muab qhov zoo weldability siv cov txheej txheem vuam zoo nrog kev tswj kom raug.
4. Cov ntawv pov thawj dab tsi muaj rau DX51D steel?
Teb: Mill Test Certificate EN 10204 3.1, tshuaj ntsuam xyuas, cov khoom siv kho tshuab, cov ntawv ceeb toom txheej tuab, thiab SGS tshuaj xyuas feem ntau muab.
5. Vim li cas DX51D yog ib qho ntawm cov qib galvanized steel nrov tshaj plaws?
Teb: Vim tias nws muaj qhov sib npaug zoo ntawm tus nqi, kev tiv thaiv corrosion, formability, muaj, thiab versatility nyob rau hauv ntau yam lag luam.