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不(bu)(bu)(bu)(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)的(de)(de)(de)(de)內(nei)(nei)(nei)(nei)(nei)外(wai)表(biao)(biao)層(ceng)(ceng)都有(you)良好(hao)的(de)(de)(de)(de)鈍化(hua)層(ceng)(ceng)，所以它的(de)(de)(de)(de)耐腐(fu)(fu)蝕能力很(hen)強。不(bu)(bu)(bu)(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)外(wai)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)光潔(jie)(jie)(jie)度(du)(du)(du)(du)高(gao)，介質(zhi)粘附很(hen)少有(you)利(li)于(yu)(yu)耐腐(fu)(fu)蝕。管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)光潔(jie)(jie)(jie)度(du)(du)(du)(du)高(gao)液體介質(zhi)滯留越少，有(you)利(li)于(yu)(yu)沖洗(xi)，特別在(zai)(zai)制藥行業(ye)。接下(xia)來不(bu)(bu)(bu)(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)小編來給大(da)(da)(da)家介紹一(yi)下(xia)。管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)電(dian)(dian)(dian)(dian)解(jie)拋(pao)(pao)(pao)(pao)(pao)(pao)光(電(dian)(dian)(dian)(dian)化(hua)學拋(pao)(pao)(pao)(pao)(pao)(pao)光)：電(dian)(dian)(dian)(dian)解(jie)拋(pao)(pao)(pao)(pao)(pao)(pao)光液是磷酸、硫酸、鉻(ge)酐、明膠、重鉻(ge)酸鉀等。不(bu)(bu)(bu)(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)在(zai)(zai)陽(yang)(yang)極(ji)(ji)上(shang)(shang)，拋(pao)(pao)(pao)(pao)(pao)(pao)光液在(zai)(zai)和(he)內(nei)(nei)(nei)(nei)(nei)流動(dong)通以低(di)電(dian)(dian)(dian)(dian)壓大(da)(da)(da)電(dian)(dian)(dian)(dian)流而(er)進行電(dian)(dian)(dian)(dian)解(jie)拋(pao)(pao)(pao)(pao)(pao)(pao)光處(chu)(chu)理。這時(shi)管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)同(tong)時(shi)進行著(zhu)兩個相(xiang)互矛盾的(de)(de)(de)(de)過(guo)程(cheng)，即(ji)金屬表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)鈍化(hua)層(ceng)(ceng)(含(han)稠性粘膜)生成(cheng)與(yu)溶解(jie)。由(you)于(yu)(yu)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)微觀的(de)(de)(de)(de)凸起部(bu)分(fen)(fen)和(he)凹進部(bu)分(fen)(fen)成(cheng)膜進入鈍化(hua)的(de)(de)(de)(de)條件是不(bu)(bu)(bu)(bu)同(tong)的(de)(de)(de)(de)，又由(you)于(yu)(yu)陽(yang)(yang)極(ji)(ji)溶解(jie)。不(bu)(bu)(bu)(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)由(you)于(yu)(yu)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)微觀凸起部(bu)分(fen)(fen)和(he)凹進部(bu)分(fen)(fen)成(cheng)膜進入鈍化(hua)的(de)(de)(de)(de)條件是不(bu)(bu)(bu)(bu)同(tong)的(de)(de)(de)(de)，又由(you)于(yu)(yu)陽(yang)(yang)極(ji)(ji)溶解(jie)，陽(yang)(yang)極(ji)(ji)區金屬鹽濃度(du)(du)(du)(du)不(bu)(bu)(bu)(bu)斷增加，在(zai)(zai)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)形成(cheng)一(yi)種(zhong)高(gao)電(dian)(dian)(dian)(dian)阻的(de)(de)(de)(de)稠性粘膜。該膜在(zai)(zai)凹凸處(chu)(chu)厚(hou)度(du)(du)(du)(du)不(bu)(bu)(bu)(bu)同(tong)導(dao)致陽(yang)(yang)極(ji)(ji)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)電(dian)(dian)(dian)(dian)流密度(du)(du)(du)(du)大(da)(da)(da)，放電(dian)(dian)(dian)(dian)溶解(jie)速度(du)(du)(du)(du)快，在(zai)(zai)短時(shi)間(jian)(jian)內(nei)(nei)(nei)(nei)(nei)達到削平突(tu)出的(de)(de)(de)(de)微觀部(bu)分(fen)(fen)的(de)(de)(de)(de)目的(de)(de)(de)(de)，能達到很(hen)高(gao)的(de)(de)(de)(de)光潔(jie)(jie)(jie)度(du)(du)(du)(du)Ra≤0.2-0.4μm。并(bing)在(zai)(zai)這種(zhong)作用(yong)(yong)下(xia)，管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)表(biao)(biao)增加了鉻(ge)含(han)量(liang)，增加了金屬表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)鈍化(hua)層(ceng)(ceng)的(de)(de)(de)(de)耐腐(fu)(fu)蝕能力。 如何(he)掌(zhang)握(wo)不(bu)(bu)(bu)(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)拋(pao)(pao)(pao)(pao)(pao)(pao)光的(de)(de)(de)(de)質(zhi)量(liang)要與(yu)電(dian)(dian)(dian)(dian)解(jie)液配方、濃度(du)(du)(du)(du)、溫度(du)(du)(du)(du)、通電(dian)(dian)(dian)(dian)時(shi)間(jian)(jian)、電(dian)(dian)(dian)(dian)流密度(du)(du)(du)(du)、電(dian)(dian)(dian)(dian)極(ji)(ji)狀況、管(guan)(guan)(guan)(guan)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)處(chu)(chu)理程(cheng)度(du)(du)(du)(du)等有(you)關。技術(shu)掌(zhang)握(wo)不(bu)(bu)(bu)(bu)好(hao)反而(er)會破壞管(guan)(guan)(guan)(guan)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)光潔(jie)(jie)(jie)度(du)(du)(du)(du)，電(dian)(dian)(dian)(dian)解(jie)程(cheng)度(du)(du)(du)(du)過(guo)大(da)(da)(da)會出現更多更大(da)(da)(da)的(de)(de)(de)(de)凹凸面(mian)(mian)(mian)(mian)(mian)(mian)，甚至條管(guan)(guan)(guan)(guan)報(bao)廢，真正制作好(hao)質(zhi)量(liang)需要一(yi)定技術(shu)，費用(yong)(yong)成(cheng)本較(jiao)高(gao)。 管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)機(ji)械拋(pao)(pao)(pao)(pao)(pao)(pao)光：有(you)旋(xuan)(xuan)轉與(yu)直(zhi)線拋(pao)(pao)(pao)(pao)(pao)(pao)光。這里以旋(xuan)(xuan)轉機(ji)械拋(pao)(pao)(pao)(pao)(pao)(pao)光為(wei)例：機(ji)械拋(pao)(pao)(pao)(pao)(pao)(pao)光設備較(jiao)為(wei)簡單(dan)，動(dong)力與(yu)拋(pao)(pao)(pao)(pao)(pao)(pao)光盤、拋(pao)(pao)(pao)(pao)(pao)(pao)光設備較(jiao)為(wei)簡單(dan)，動(dong)力與(yu)拋(pao)(pao)(pao)(pao)(pao)(pao)光盤、拋(pao)(pao)(pao)(pao)(pao)(pao)光蠟。采用(yong)(yong)逐級細砂粒作的(de)(de)(de)(de)布(bu)(bu)盤與(yu)布(bu)(bu)盤在(zai)(zai)管(guan)(guan)(guan)(guan)內(nei)(nei)(nei)(nei)(nei)外(wai)表(biao)(biao)面(mian)(mian)(mian)(mian)(mian)(mian)上(shang)(shang)來回多次多道進行拋(pao)(pao)(pao)(pao)(pao)(pao)光處(chu)(chu)理，光潔(jie)(jie)(jie)度(du)(du)(du)(du)能達到Ra≤0.2-0.4μm。 不(bu)(bu)(bu)(bu)銹(xiu)鋼管(guan)(guan)(guan)(guan)機(ji)械拋(pao)(pao)(pao)(pao)(pao)(pao)光與(yu)電(dian)(dian)(dian)(dian)解(jie)拋(pao)(pao)(pao)(pao)(pao)(pao)光相(xiang)比較(jiao)具有(you)設備簡單(dan)、技術(shu)含(han)量(liang)低(di)容易掌(zhang)握(wo)，費用(yong)(yong)成(cheng)本也低(di)，不(bu)(bu)(bu)(bu)會破壞管(guan)(guan)(guan)(guan)而(er)造(zao)成(cheng)報(bao)廢，因此廣泛地應用(yong)(yong)。