Txheej txheem cej luam
xwm 51dthiab DC51D yog ob qhov dav siv qis- qib carbon steel, ob qho tib si muab cov yas zoo, tawv, thiab weldability.
Thaum lawv sib piv, lawv cov tshuaj muaj pes tsawg leeg, cov khoom siv kho tshuab, thiab kev kho deg sib txawv, ua rau txhua cov hlau tsim nyog rau kev siv tshwj xeeb.
Tshuaj muaj pes tsawg leeg
| Element | xwm 51d | dc51d ua | Sau ntawv |
|---|---|---|---|
| Cov pa roj carbon (C) | Tsawg (≤0.12%) | Siab me ntsis (≤0.15%) | Cov pa roj carbon qis dua hauv DX51D txhim kho plasticity thiab toughness, thaum DC51D cov pa roj carbon ntau dua muab lub zog thiab hardness me ntsis. |
| Manganese (Mn) | ≤ 0.60% | ≤ 0.60% | Txhim kho tag nrho lub zog thiab ductility |
| Phosphorus (P) | ≤ 0.04% | ≤ 0.04% | Cov qib qis tiv thaiv qhov txias brittleness |
| Sulfur (S) | ≤0.03-0.04% | ≤ 0.04% | Tswj rau weldability thiab ductility |
Cov ntsiab lus: DX51D yog optimized for formability thiab toughness, thaum DC51D muaj zog me ntsis vim muaj cov ntsiab lus carbon ntau dua.
Mechanical Properties
| Khoom | xwm 51d | dc51d ua |
|---|---|---|
| Yield zog (Rp0.2) | qis | Siab dua |
| Tensile zog (Rm) | Nruab nrab | Siab dua |
| Elongation (A%) | Siab dua | Nruab nrab |
| Hardness | qis | Siab dua me ntsis |
Kev cuam tshuam:
DX51D ua tau zoo dua hauv cov ntawv thov uas xav tau kev kos duab sib sib zog nqus, khoov, lossis cov yas siab.
DC51D yog qhov tsim nyog rau cov khoom siv uas yuav tsum tiv taus ntau dua los yog kev ntxhov siab, xws li cov khoom siv.
Kev kho saum npoo
DX51D: Feem ntau kub-dip galvanized los txhim kho corrosion kuj thiab ntev kev pab cuam lub neej. Cov zinc txheej tiv thaiv oxidation thiab xeb, ua rau nws zoo tagnrho rau sab nraum zoov lossis ya raws - cov ntawv thov raug.
DC51D: Tej zaum yuav siv lwm txoj kev kho deg, nrog rau kev pleev xim, tshuaj tsuag, lossis electro-galvanizing, nyob ntawm daim ntawv thov.
Daim ntawv thov Scenario
DX51D Qhov zoo:
Ru tsev, siding, thiab gutters
Automotive panels thiab sab hauv qhov xav tau siab formability
Cov khoom siv thiab cov kav dej ua haujlwm nrog txoj kev khoov lossis stamping
DC51D Qhov zoo:
Cov yam ntxwv ntawm cov khoom yuav tsum muaj zog dua
Load-cov kabmob muaj qhov chaw
Cov khoom pleev xim los yog coated qhov chaw tiav thiab lub zog yog qhov tseem ceeb
Kev xaiv xaiv
Thaum xaiv DX51D thiab DC51D:
Mechanical yuav tsum tau: siab load vs. siab formability
Qhov xav tau kev tiv thaiv nto: Corrosion-resistant galvanized vs. pleev xim/coated
Daim ntawv thov hom: Cov qauv, tsheb, kev tsim kho, lossis cov khoom siv vaj huam sib luag
Cov Lus Qhia Txog Kev Kho Mob: Kev saib xyuas kom raug, tu, thiab tshuaj xyuas yuav pab txuas ntxiv lub neej kev pab cuam thiab tswj kev ua haujlwm ruaj khov rau ob qib steel.
Xaiv DX51D rau daim ntawv thov uas hais txog cov yas, sib sib zog nqus nqus, thiab corrosion kuj.
Xaiv DC51D rau cov xwm txheej uas xav tau lub zog siab dua thiab ua kom lub ntsej muag ntev, tshwj xeeb tshaj yog qhov yuav tsum tau muaj txheej txheej lossis pleev xim.
Q1: Lub npe "DX51D + Z" txhais li cas?
A:Qhov no yog tus qauv European (EN) tsim rau qib kub -dip galvanized steel qib:
DX:Qhia tias nws yog atxoj kev hlauFeem ntau rau kev siv txias txias.
51:Tus lej tsim tus lej qhia txog lub hauv paus hlau nrog qhov tsawg kawg nkaus tawm lub zog feem ntau ≤ 280 MPa thiab cov khoom siv tshwj xeeb tsim nyog rau kev tsim.
D:Denotes lubqib ductility. "D" stands rau "Drawing" zoo, qhia tau hais tias zoo rau zoo heev ductility rau sib sib zog nqus daim ntaub ntawv.
+Z:Qhia cov txheej txheem:kub-dip galvanizednrog zinc txheej.
Q2: Dab tsi yog nws cov cuab yeej ua haujlwm tseem ceeb?
A:Raws li EN 10346, cov yam ntxwv raug yog:
Yield Strength (Re):Feem ntau 140 - 300 MPa (Ceeb Toom: Tsis muaj qhov tshwj xeeb yam tsawg kawg nkaus yuav tsum tau; nws yog raws li lub hauv paus steel chemistry rau formability).
Tensile zog (Rm):270 - 500 MPa.
Elongation (A₈₀):Feem ntau ≥ 22% - 26% (yam tsawg kawg yog nyob ntawm thickness). Qhov siab elongation no yog qhov tseem ceeb rau nws cov formability.
Nws tsis yog lub siab - lub zog steel.Nws tus nqi yog nyob rau hauv nws zoo heev formability thiab corrosion tiv thaiv.
Q3: "Z" txheej yog dab tsi, thiab cov txheej txheem txheej txheem yog dab tsi?
A:Lub "Z" sawv cev rau aloj zinc txheejthov los ntawm cov txheej txheem kub kub -dip galvanizing. Qhov hnyav txheej yog teev los ntawm lub ntsiab lus (piv txwv li, Z140, Z275):
Piv txwv li - DX51D+Z140:Tag nrho cov txheej txheej tsawg kawg yog 140 g / m² (kwv yees . 20 µm ib sab, 40 µm tag nrho). Cov lej feem ntau yog Z100 (lub teeb), Z140 (tus qauv), Z200 / Z225 (hnyav), thiab Z275 (hnyav ntxiv rau qhov chaw hnyav).
Q4: Cov ntawv thov tseem ceeb rau DX51D + Z yog dab tsi?
A:Nws yog cov hlau ua haujlwm rau kev tsim khoom dav dav qhov twg corrosion kuj thiab formability xav tau, tab sistsis siab structural zog. Common siv muaj xws li:
HVAC ductwork thiab cov khoom.
Cov khoom siv hauv tsev (lub tshuab ntxhua khaub ncaws, tshuab ziab khaub ncaws, enclosures).
Lub teeb ntsuas lub tsev panels thiab profiles.
General hlau txee, enclosures, thiab lub teeb rooj tog.
Agricultural thiab industrial ntim.