Dab tsi yog qhov zoo ntawm kev siv SPA-H steel rau kos npe piv rau lwm cov ntaub ntawv?

Jan 28, 2026 Tso lus

Kev tsim ntawm aruaj khov, tiv thaiv ntuj patinantawm SPA-H signboards yog cov txheej txheem maj mam nyob rau hauv cov xwm txheej sab nraum zoov, nrog cov theem sib txawv thiab ib puag ncig cuam tshuam, nthuav dav raws li hauv qab no:

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Thawj theem xeb (1-3 lub hlis)

 

Ib txheej nyias, xoob xeb ua rau ntawm qhov chaw, nrog cov xim tsis sib xws - xim av thiab yuav luag tsis muaj corrosion. Cov txheej xeb yog yooj yim poob tawm thaum raug cua thiab nag.Lub sijhawm Densification (6-12 lub hlis)

 

Thawj qhov xeb tshwm sim nrog cov pa oxygen, noo noo thiab cov ntsiab lus hlau (Cu/Cr/Ni) hauv SPA-H steel. Cov xeb txheej maj mam compacts, cov xim yuav zoo ib yam, thiab yooj yim corrosion kuj pib tsim.Mature patina theem (12-24 lub hlis)

 

A dense, firm reddish-brown oxide film forms and adheres tightly to the steel surface. Qhov no mature patina zoo cais cov hauv paus hlau los ntawm corrosive media, ua tiav ntev -lub sij hawm ruaj khov los tiv thaiv-corrosion kev ua tau zoo- cov tseem ceeb tiv thaiv lub xeev ntawm SPA-H.

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Cov yam tseem ceeb cuam tshuam rau kev tsim patina ceev

 

Kev tsim sai dua: Cov av noo tsis tu ncua, dej nag tsis tu ncua thiab qhov kub thiab txias (xws li, hauv nroog / nyob deb nroog hauv thaj chaw huab cua), lub voj voog tuaj yeem luv luv txog li 12 lub hlis.

Ntev tsim: qhuav / txias / arid cheeb tsam uas tsis muaj noo noo, lub mature patina yuav noj24 lub hlis lossis ntev duatsim.

Kev tsim tsis ruaj khov: Siab- thaj tsam ntawm ntug dej hiav txwv ntsev (hauv 1km ntawm hiav txwv) lossis thaj chaw muaj kev lag luam hnyav nrog cov kua qaub / plua plav, ntuj patina yog ib qho nyuaj rau compact thiab txawm, thiab tej zaum yuav ua rau pitting corrosion thaum tsim.

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