大連軟管總成主要(yao)用(yong)于礦井液壓(ya)(ya)(ya)(ya)支架、油(you)(you)(you)(you)田開(kai)采，適(shi)宜(yi)于工(gong)程建筑、起(qi)重(zhong)運輸、冶金(jin)鍛壓(ya)(ya)(ya)(ya)、礦山設備(bei)、船舶、注塑機械、農(nong)業(ye)(ye)機械、各種機床(chuang)以及各工(gong)業(ye)(ye)部門機械化(hua)(hua)、自(zi)動(dong)化(hua)(hua)液壓(ya)(ya)(ya)(ya)系統(tong)中輸送具(ju)有(you)一定(ding)(ding)壓(ya)(ya)(ya)(ya)力和溫(wen)度的石油(you)(you)(you)(you)基(ji)，如礦物油(you)(you)(you)(you)、可(ke)溶性(xing)油(you)(you)(you)(you)、液壓(ya)(ya)(ya)(ya)油(you)(you)(you)(you)、燃油(you)(you)(you)(you)、潤(run)滑油(you)(you)(you)(you)及水基(ji)液體，如乳化(hua)(hua)液、油(you)(you)(you)(you)水乳濁(zhuo)液、水等和液體傳動(dong)用(yong)，最高耐工(gong)作(zuo)(zuo)壓(ya)(ya)(ya)(ya)力可(ke)達(da)60MPa。軟(ruan)管(guan)規(gui)定(ding)(ding)的工(gong)作(zuo)(zuo)壓(ya)(ya)(ya)(ya)力通常情(qing)況下(xia)不能小于最大(da)系統(tong)壓(ya)(ya)(ya)(ya)力,只有(you)在不常使(shi)(shi)用(yong)的情(qing)況下(xia),才允許提高20%；對于使(shi)(shi)用(yong)頻繁、經常彎扭者要(yao)降低40%。系統(tong)的沖(chong)擊壓(ya)(ya)(ya)(ya)力若(ruo)高于軟(ruan)管(guan)規(gui)定(ding)(ding)的工(gong)作(zuo)(zuo)壓(ya)(ya)(ya)(ya)力，不僅(jin)降低液壓(ya)(ya)(ya)(ya)軟(ruan)管(guan)使(shi)(shi)用(yong)壽(shou)命，且(qie)可(ke)能導(dao)致人身設備(bei)事故。這種氧化(hua)(hua)層(ceng)極薄，透過它可(ke)以看(kan)到不銹鋼(gang)表(biao)面(mian)的自(zi)然光澤，使(shi)(shi)不銹鋼(gang)具(ju)有(you)獨特的表(biao)面(mian)。而且(qie)，如果損壞了表(biao)層(ceng)，所暴露出的鋼(gang)表(biao)面(mian)會和大(da)氣反應進行自(zi)我修(xiu)理(li)，重(zhong)新形(xing)成這種"鈍化(hua)(hua)膜"，繼續(xu)起(qi)保護作(zuo)(zuo)用(yong)。