Gnee Hlau (Tianjin) Co., Ltd
+8615824687445

Galvanized Steel Chev rau Tsev Khoom DX51D, DX52D, DX53D, DX54D, SGCC, S250GD-S550GD

Jan 04, 2026

Galvanized hlau

 

1. Kev txhais & Kev tsim khoom
Lub galvanized steel kauj yog cov khoom siv steel hlau coated nrog zinc txheej tiv thaiv los ntawm kub-dip galvanizing (immersing steel hauv molten zinc) lossis electro-galvanizing (electrolytic deposition ntawm zinc).

Cov txheej txheem tseem ceeb suav nrog:
Lub hauv paus khoom: Txias- dov (nqus nto) los yog kub- dov (siab zog) steel strips.
Txheej hom:
Ntshiab Zinc Txheej: Txheem corrosion kuj.
Zinc-Iron Alloy Txheej: Txhim kho weldability thiab xim adhesion ntawm post- kev kho cua sov.
5% Al-Zn Txheej: Superior electrochemical passivation thiab corrosion kuj piv rau cov tsoos zinc txheej.

 

galvanized steel coil

 

Zinc Thickness

Zinc Txheej Qib Zinc Txheej (g / m²) Corrosion Resistance Tej kev siv Lus hais
Z30 30 Tsawg heev Cov khoom siv sab hauv tsev, cov khoom siv hauv tsev sab hauv vaj huam sib luag, qhov cua nkag Tsis haum rau siv sab nraum zoov
Z60 60

Tsawg

Sab hauv tsev, cov chaw ib ntus Tus nqi qis
Z80 80 Nruab nrab Lub teeb steel qauv, lub hauv paus hlau rau PPGI Kev ua tau zoo ntawm tus nqi
Z100 100 Nruab nrab PPGI, laj kab, kev tsim kho dav dav
Common export qib
Z120 120 Nruab nrab -High
Cov ntawv vov tsev, phab ntsa panels
Lub neej ua haujlwm ntev dua
Z140 140 Nruab nrab -High Cov tsev lag luam, cov chaw ua liaj ua teb Haum rau kev siv sab nraum zoov
Z180 180 Siab Ntev - lub sij hawm sab nraum zoov, cov khoom vaj tse
Pom zoo rau kev siv sab nraum zoov
Z200 200 Siab heev Qhov chaw ntub dej, cov qauv hnyav
Tus nqi siab dua
Z275 275 Zoo heev
Thaj chaw ntug hiav txwv, hnub ci mounting systems, siab -corrosion ib puag ncig Tus qauv siab


Spangle
Lub "spangle" yog ib hom ntawm qhov chaw morphology pom ntawm kub -dip galvanized (ntshiab zinc-coated) steel coils. Thaum cov hlau sawb hla dhau lub lauj kaub zinc, nws qhov chaw yuav coated nrog kua zinc. Raws li zinc txheej ib txwm solidifies, zinc nplej nucleate thiab loj hlob, ua dab tsi hu ua "spangle."
Lub npe "spangle" los ntawm qhov tseeb tias cov zinc ua tiav cov khoom siv ua kom pom cov paj ntoo zoo li cov qauv, uas yog qhov tseeb thiab piav qhia.

 

galvanized steel coil

 

2. Cov yam ntxwv tseem ceeb
Corrosion Resistance: Zinc ua raws li cov txheej txheem kev txi, tiv thaiv hlau los ntawm oxidation thiab ya raws.
Surface Quality: Muaj nyob rau hauv ci ntsa iab tiav rau kev zoo nkauj.
Formability: Haum rau stamping, dabtsi yog khoov, thiab vuam.

 

3. Cov ntawv thov

Kub-dip galvanizing thiab zinc hlau alloy muaj cov khoom zoo heev, xws li kev tiv thaiv corrosion, molding, txheej thiab lwm yam .Lawv feem ntau yog siv hauv kev tsim kho, khoom siv hauv tsev, tsheb thiab metallurgy kev lag luam. Ntawm lawv, kev tsim kho kev lag luam feem ntau yog siv rau lub ru tsev, qhov rooj thiab qhov rais, dov curtain qhov rooj, qab nthab keels, thiab lwm yam khoom siv hauv tsev yog siv rau cov tub yees, tshuab ntxhua khaub ncaws, thiab lwm yam: kev lag luam tsheb yog siv rau lub cev plhaub, chassis, qhov rooj, roj tso tsheb hlau luam, fender thiab lwm yam. Kev lag luam metallurgical feem ntau yog siv rau steel qhov rais billet, xim coated phaj substrate thiab lwm yam.


Kev tsim kho:Roofing, purlins, thiab structural Cheebtsam.
Automotive:Lub cev panels, chassis qhov chaw, thiab cov khoom kho.
Cov khoom siv hauv tsev:Lub tub yees plhaub, tshuab ntxhua khaub ncaws.
Industrial:Cov kav dej, ntim, thiab cov rooj tog zaum.

 

Galvanized steel coil

 

4. Qhov zoo
Tus nqi-Kev ua tau zoo: Lub neej ua haujlwm ntev txo cov nqi kho.
Environmental Sustainability: Ua kom rov ua dua tshiab thiab txhawb kev tsim ntsuab.
Customization: Muaj nyob rau hauv ntau yam thicknesses (puag steel thiab zinc txheej) rau ntau yam kev xav tau kev lag luam.

 

Qib Yield zog / Mpa Tensile zog / Mpa Elongation /%
DX51D+Z Tsawg dua los yog sib npaug rau 360 Tsawg dua lossis sib npaug li 440 Ntau tshaj los yog sib npaug rau 20
Dx52D+Z Tsawg dua lossis sib npaug li 260 330-390 Ntau dua lossis sib npaug li 28
DX53D+Z Tsawg dua los yog sib npaug li 200 270-320 Ntau dua lossis sib npaug li 38
DX54D+Z Tsawg dua los yog sib npaug li 180 270-310 Ntau dua lossis sib npaug li 40
S250GD + Z Ntau dua lossis sib npaug li 250 Ntau dua lossis sib npaug rau 330 Ntau dua lossis sib npaug li 19
S350GD + Z Ntau dua lossis sib npaug li 350 Ntau dua lossis sib npaug rau 420 Ntau dua lossis sib npaug li 16
S450GD + Z Ntau dua lossis sib npaug li 450 Ntau dua lossis sib npaug rau 510 Ntau dua lossis sib npaug li 14
S550GD + Z Ntau dua lossis sib npaug li 550 Ntau dua lossis sib npaug li 560 /

 

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