大連軟管總成主(zhu)要用(yong)(yong)于礦井(jing)液(ye)壓(ya)(ya)支(zhi)架、油(you)(you)田(tian)開(kai)采(cai)，適(shi)宜于工(gong)程建(jian)筑、起重運輸、冶金鍛壓(ya)(ya)、礦山設(she)備、船舶(bo)、注塑機械、農業機械、各種(zhong)(zhong)機床以(yi)及(ji)(ji)各工(gong)業部門(men)機械化(hua)、自動化(hua)液(ye)壓(ya)(ya)系統(tong)(tong)中輸送具有(you)一(yi)定壓(ya)(ya)力(li)和(he)溫度的(de)(de)石(shi)油(you)(you)基，如(ru)礦物油(you)(you)、可(ke)溶性油(you)(you)、液(ye)壓(ya)(ya)油(you)(you)、燃(ran)油(you)(you)、潤滑(hua)油(you)(you)及(ji)(ji)水基液(ye)體，如(ru)乳化(hua)液(ye)、油(you)(you)水乳濁液(ye)、水等和(he)液(ye)體傳(chuan)動用(yong)(yong)，最高耐工(gong)作(zuo)壓(ya)(ya)力(li)可(ke)達60MPa。軟(ruan)管(guan)(guan)規(gui)定的(de)(de)工(gong)作(zuo)壓(ya)(ya)力(li)通常情(qing)況下不能小(xiao)于最大系統(tong)(tong)壓(ya)(ya)力(li),只(zhi)有(you)在不常使(shi)用(yong)(yong)的(de)(de)情(qing)況下,才允許提高20%；對于使(shi)用(yong)(yong)頻繁、經常彎(wan)扭(niu)者要降低(di)40%。系統(tong)(tong)的(de)(de)沖擊壓(ya)(ya)力(li)若高于軟(ruan)管(guan)(guan)規(gui)定的(de)(de)工(gong)作(zuo)壓(ya)(ya)力(li)，不僅降低(di)液(ye)壓(ya)(ya)軟(ruan)管(guan)(guan)使(shi)用(yong)(yong)壽命，且可(ke)能導致人身設(she)備事故(gu)。這種(zhong)(zhong)氧化(hua)層(ceng)極薄(bo)，透(tou)過它可(ke)以(yi)看到不銹鋼表面(mian)的(de)(de)自然光澤，使(shi)不銹鋼具有(you)獨(du)特(te)的(de)(de)表面(mian)。而(er)且，如(ru)果(guo)損壞了表層(ceng)，所暴露出的(de)(de)鋼表面(mian)會(hui)和(he)大氣反應進(jin)行自我修(xiu)理，重新形成這種(zhong)(zhong)"鈍化(hua)膜"，繼續起保護作(zuo)用(yong)(yong)。