JIS G3125 SPA-Hyog lub siab - zoo huab cua steel dav nkag hauv Suav teb, muab kev ua tau zoo ntawm tus nqi sib tw.
Cov qib steel no yog alloyed nrog me me ntawm tooj liab, chromium, npib tsib xee, thiab phosphorus, uas ua rau nws lub zog txhua yam thiab atmospheric corrosion kuj piv nrog cov pa roj carbon zoo tib yam.
Due to the synergistic effect of these alloying elements, SPA-H steel forms a dense and stable protective oxide layer on its surface when exposed to the atmosphere.
Lub ntuj patina no ua haujlwm zoo ua rau qeeb qeeb ntxiv, txo cov nqi kho, thiab txuas ntxiv lub neej kev pab cuam, ua rau nws yog ib qho khoom siv zoo rau kev siv sij hawm ntev -.
JIS G3125 SPA-H weathering steel yog dav siv nyob rau hauv marine thawv, freight containers, txuas hniav, railway lem, thiab lwm yam structural Cheebtsam uas yuav tsum tau muaj zog thiab superior corrosion kuj.
Nws kuj tseem tsim nyog rau ntau yam kev siv cov qauv hauv cov cheeb tsam hnyav uas cov kav ntev thiab kev ntseeg siab yog qhov tseem ceeb.
JIS G3125 SPA-H Chemical Composition (wt.%)
| Qib | C max | Si | Mn | P | S max | Cu | Cr | Nim max |
|---|---|---|---|---|---|---|---|---|
| SPA-H | 0.12 | 0.25–0.75 | 0.20–0.50 | 0.070–0.150 | 0.040 | 0.25–0.60 | 0.30–1.25 | 0.65 |
JIS G3125 SPA-H Mechanical Properties
| Qib | Phaj Thickness | Yield zog | Tensile zog | Elongation |
|---|---|---|---|---|
| SPA-H | Tsawg dua los yog sib npaug li 6.0 mm | Ntau dua lossis sib npaug li 345 MPa | Ntau dua lossis sib npaug li 480 MPa | Ntau dua lossis sib npaug li 22% |
| SPA-H | 6.0 hli | Ntau dua lossis sib npaug li 335 MPa | Ntau dua lossis sib npaug li 490 MPa | Ntau dua lossis sib npaug li 15% |
Gnee yog tus kws tshaj lij exporter thiab stockist ntawm JIS G3125 SPA-H weathering steel nyob rau hauv Suav teb, tswj ntau tshaj 1,000 tons ntawm cov khoom tsis tu ncua txhua lub hlis kom ntseeg tau tias xa khoom sai thiab ruaj khov.
Yog tias koj tab tom nrhiav rau tus nqi sib tw, txhim khu kev qha zoo, lossis cov ncauj lus kom ntxaws xws li tshuaj lom neeg muaj pes tsawg leeg thiab cov khoom siv kho tshuab ntawm JIS G3125 SPA-H steel, thov koj xav tiv tauj peb txhua lub sijhawm. Peb pab neeg npaj txhij los txhawb koj qhov project yuav tsum.
Q1: Dab tsi yog SPA-H Corten steel?
SPA-H yog cov txheej txheem Nyij Pooj huab cua hlau qib uas tau teev tseg hauv JIS G 3125. Nws muaj cov ntsiab lus alloying xws li tooj liab, chromium, thiab npib tsib xee, uas tso cai rau nws los tsim cov txheej txheem tiv thaiv xeb ntawm qhov chaw. Qhov patina no ua rau qeeb ntxiv corrosion thiab txhim kho ntev -lub sij hawm durability nyob rau hauv atmospheric ib puag ncig.
Q2: Dab tsi yog qhov zoo ntawm SPA-H weathering steel?
Cov txiaj ntsig tseem ceeb ntawm SPA-H steel muaj xws li cov huab cua zoo corrosion kuj, siab zog, thiab tus nqi tu qis. Tsis zoo li cov pa roj carbon zoo tib yam, SPA-H tsis tas yuav tsum tau pleev xim ntau dhau los yog txheej txheej, uas yuav pab txo qis cov nqi ntawm lub neej thaum tuav lub cev zoo nkauj.
Q3: SPA -H Corten steel feem ntau siv nyob qhov twg?
SPA-H hlau yog dav siv nyob rau hauv cov txuas hniav, lub tsev cov qauv, architectural façades, railway carriages, ntim, cua preheaters, thiab economizers. Nws yog qhov tshwj xeeb tshaj yog tsim rau cov qauv sab nraum zoov uas raug hloov pauv huab cua rau lub sijhawm ntev.
Q4: Puas yog SPA-H steel xav tau kev pleev xim lossis kho qhov chaw?
Hauv feem ntau cov ntawv thov sab nraum zoov, tsis tas yuav tsum tau pleev xim ntxiv. SPA-H ib txwm tsim txheej txheej xeb ruaj khov tom qab raug rau qhov chaw. Txawm li cas los xij, nyob rau hauv ib puag ncig corrosive heev (xws li marine los yog siab - thaj chaw ntsev), ntxiv kev tiv thaiv saum npoo tuaj yeem raug pom zoo kom txuas lub neej ua haujlwm.
Q5: Nws siv sijhawm ntev npaum li cas rau SPA-H steel los tsim patina ruaj khov?
Nyob rau hauv cov huab cua ib puag ncig, SPA-H steel feem ntau tsim cov patina ruaj khov hauv 6 txog 24 lub hlis
