Views: 0 Author: Bonnie Published Time: 2025-03-25 Ɔrijin: Ples
Ɔndastand ɛn protɛkt intagranular kɔrɛshɔn insay stenlɛs stiɛl wɛld .
Meta Diskripshɔn: Lan bɔt intagranular kɔrɛshɔn insay stenlɛs stiɛl wɛld, in kɔz, prɛvɛnshɔn mɛtɔd, ɛn di impɔtants fɔ brayt sɔlvishɔn tritmɛnt. Optimize weld kwaliti ɛn lɔng layf.
Sho:
Welding na wan impɔtant prɔses fɔ jɔyn stenlɛs stiɛl kɔmpɔnɛnt dɛn, mɔ fɔ mek dɛn prodyuz wɛlded paip dɛn. Bɔt, wɛld dɛfɛkt, mɔ na di weld ples, kin rili impɔk di intɛgriti ɛn pefɔmɛns fɔ di fayn prodak. Wan impɔtant tin na intagranul kɔrɛshɔn, we na wan kayn lokaliz kɔrɛshɔn we kin mek bad bad tin apin.
Wetin na intagranul kɔrɛshɔn?
Intagranular koroshon de apin in unstebul austenitic stenles stiel wit wan kabon konten we pas 0.03%. We dɛn ɔt am bitwin 425-815 ɔ i kin kol smɔl smɔl tru dis tɛmpracha rɛnj, di kromiɔm kabɔd dɛn kin prɛsipitayt na di gren bɔda dɛn. Dis diplεshכn כf kromium in di gren bכnda rijyכn dεm de mek di stεl susεptibl to kכroshכn in agrεsiv envayroment. Ɔnda strɛs, di stɛl kin brok along dɛn wikɛd gren bɔda ya, we kin rilizɔt wan signifyant lɔs pan trɛnk ɛn kɔrɛshɔn rɛsistɛns.
Factors we de kɔntribyut to intagranular kɔrɛshɔn:
Di ay kabon we de insay: Di kabon lɛvɛl we de ɔp na di stɛl de mek di kromiɔm kabɔd dɛn fɔm.
Tεmpracha εkspכzכn: fכ lכng tεm we dεn de εkspos to di sεnsitayzεshכn tεmprachכ rεnj (425-815°C) we dεn de weld כ trit di hεt.
Korosiv envayroment: Eksposhכn to agresiv mεdia, lεk asid כ klorayd, de aksεlεrat di kכroshכn prכsεs.
Di we aw dɛn de mek di sik nɔ apin:
Kεmikכl Kכmכshכn Kכntrכl: .
ad stεbilizεshכn εlimεnt dεm lεk taytanium כ niobium fכ biεn wit kabכn, we de prεvεnt kromium kכbayd fכmeshכn.
Yuz low-carbon stenless steel (eg, 304L, 316L) wit kabon konten dכn 0.03%.
Adjɔst di kemikal kɔmpɔzishɔn fɔ di wɛl fɔ mek di krom in mas frakshɔn go ɔp.
Welding process optimization:
Minimayz ɔt input ɛn kɔntrol di ɔt-afɛkt zon (HAZ).
Employing rapid welding ɛn kol tɛknik fɔ ridyus di tɛm we dɛn spɛn na di sɛnsitayzeshɔn tɛmpracha rɛnj.
Brayt Sɔlwɛshɔn Tritmɛnt:
Dis hεt tritmεnt prכsεs involv kwik kwik wan hεt di stεl to ay tεmprachכ εn afta dat i kin kol am kwik kwik wan fכ sכlv kromium kכbid dεm εn mek di kכroshכn rεsistεns kam bak.
Fɔ ɛgzampul, Hengao Tɛknɔlɔji in onlayn ikwipmɛnt dɛn kin ɔt kwik kwik wan ɛn kol stenlɛs stiɛl paip dɛn ɔnda gas protɛkshɔn, yuz indukshɔn ɔt ɛn haydrojɛn-kul grafayt mol fɔ efyushɔn ɔt transfa.
Di impɔtants fɔ brayt sɔlv tritmɛnt:
Brayt sɔlv tritmɛnt impɔtant fɔ mek dɛn prodyuz ay kwaliti industrial wɛlded paip dɛn. I efektivli eliminet di risk fכ intagranular kכroshכn bay we i de mek sכh se wan homojεnik distribushכn fכ kromium in di stεl maykrostrכkchכ. Dis prɔses na patikyula impɔtant tin na aplikeshɔn usay stenlɛs stiɛl de ɛkspos to kɔrosiv ɛnvayrɔmɛnt ɔ sɔbjɛkt to ay strɛs.
Dɔn:
Fɔ ɔndastand ɛn fɔ mek dɛn nɔ gɛt intagranular kɔrɛshɔn rili impɔtant fɔ mek shɔ se dɛn gɛt lɔng layf ɛn rilaybiliti fɔ stenlɛs stiɛl wɛld dɛn. Bay we dɛn de kɔntrol di kemikal kɔmpɔzishɔn, optimiz wɛldin prɔses, ɛn impruv brayt sɔlvishɔn tritmɛnt, di manifakta dɛn kin rili ridyus di risk fɔ dis detrimental fɔm fɔ kɔrɛshɔn.
Ki wɔd dɛn: Intagranular kɔrɛshɔn, stenlɛs stiɛl wɛld, wɛld difɛkt, brayt sɔlv tritmɛnt, wɛldin prɔses, kɔrɛshɔn prɛvɛnshɔn, ɔstɛns stenlɛs stiɛl, wɛld paip.