大連軟管總成主要(yao)用(yong)(yong)于(yu)礦井液壓(ya)(ya)支架、油(you)田開采(cai)，適宜于(yu)工(gong)(gong)程建(jian)筑、起重(zhong)運(yun)輸(shu)(shu)、冶金鍛壓(ya)(ya)、礦山設備、船舶(bo)、注塑機械(xie)、農業機械(xie)、各種機床(chuang)以及各工(gong)(gong)業部門機械(xie)化(hua)、自(zi)動化(hua)液壓(ya)(ya)系(xi)統(tong)中輸(shu)(shu)送具(ju)有(you)一定壓(ya)(ya)力(li)(li)和溫度(du)的石油(you)基，如礦物油(you)、可溶性油(you)、液壓(ya)(ya)油(you)、燃油(you)、潤滑油(you)及水(shui)基液體，如乳化(hua)液、油(you)水(shui)乳濁液、水(shui)等和液體傳動用(yong)(yong)，最(zui)高(gao)耐(nai)工(gong)(gong)作(zuo)壓(ya)(ya)力(li)(li)可達60MPa。軟管(guan)規定的工(gong)(gong)作(zuo)壓(ya)(ya)力(li)(li)通常情(qing)況下(xia)不(bu)(bu)能小于(yu)最(zui)大(da)系(xi)統(tong)壓(ya)(ya)力(li)(li),只有(you)在(zai)不(bu)(bu)常使用(yong)(yong)的情(qing)況下(xia),才允許提高(gao)20%；對于(yu)使用(yong)(yong)頻(pin)繁(fan)、經常彎(wan)扭者要(yao)降(jiang)低(di)40%。系(xi)統(tong)的沖(chong)擊壓(ya)(ya)力(li)(li)若高(gao)于(yu)軟管(guan)規定的工(gong)(gong)作(zuo)壓(ya)(ya)力(li)(li)，不(bu)(bu)僅降(jiang)低(di)液壓(ya)(ya)軟管(guan)使用(yong)(yong)壽命，且(qie)可能導致人身設備事故。這種氧化(hua)層極薄，透過它可以看到不(bu)(bu)銹鋼表(biao)(biao)面的自(zi)然光(guang)澤，使不(bu)(bu)銹鋼具(ju)有(you)獨特的表(biao)(biao)面。而且(qie)，如果(guo)損壞了表(biao)(biao)層，所暴(bao)露出(chu)的鋼表(biao)(biao)面會(hui)和大(da)氣反應(ying)進行自(zi)我修理(li)，重(zhong)新形(xing)成(cheng)這種"鈍化(hua)膜"，繼續起保護作(zuo)用(yong)(yong)。