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角(jiao)鋼俗稱角(jiao)(jiao)鐵、是(shi)兩(liang)(liang)邊(bian)(bian)(bian)(bian)互相垂直成角(jiao)(jiao)形的(de)(de)(de)長條鋼(gang)(gang)材(cai)(cai)。屬于建造(zao)用碳素結(jie)構(gou)(gou)鋼(gang)(gang)，是(shi)簡(jian)單(dan)斷(duan)面的(de)(de)(de)型(xing)鋼(gang)(gang)鋼(gang)(gang)材(cai)(cai)。有等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)角(jiao)(jiao)鋼(gang)(gang)和不(bu)等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)角(jiao)(jiao)鋼(gang)(gang)之分(fen)，兩(liang)(liang)垂直邊(bian)(bian)(bian)(bian)長度相同為等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)角(jiao)(jiao)鋼(gang)(gang)，一(yi)長一(yi)短的(de)(de)(de)為不(bu)等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)角(jiao)(jiao)鋼(gang)(gang)，其(qi)規格(ge)以邊(bian)(bian)(bian)(bian)寬×邊(bian)(bian)(bian)(bian)寬×邊(bian)(bian)(bian)(bian)厚(hou)(hou)的(de)(de)(de)毫米(mi)數(shu)表示(shi)(shi)。如(ru)“∠30×30×3”，即(ji)表示(shi)(shi)邊(bian)(bian)(bian)(bian)寬為30毫米(mi)、邊(bian)(bian)(bian)(bian)厚(hou)(hou)為3毫米(mi)的(de)(de)(de)等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)角(jiao)(jiao)鋼(gang)(gang)。角(jiao)(jiao)鋼(gang)(gang)也(ye)可(ke)用型(xing)號表示(shi)(shi)，型(xing)號是(shi)邊(bian)(bian)(bian)(bian)寬的(de)(de)(de)厘米(mi)數(shu)，如(ru)∠3#。其(qi)中(zhong)不(bu)等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)角(jiao)(jiao)鋼(gang)(gang)又可(ke)分(fen)為不(bu)等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)等(deng)(deng)(deng)厚(hou)(hou)及(ji)不(bu)等(deng)(deng)(deng)邊(bian)(bian)(bian)(bian)不(bu)等(deng)(deng)(deng)厚(hou)(hou)兩(liang)(liang)種。角(jiao)(jiao)鋼(gang)(gang)可(ke)按(an)結(jie)構(gou)(gou)的(de)(de)(de)不(bu)同需(xu)要組成各種不(bu)同的(de)(de)(de)受力構(gou)(gou)件(jian)(jian)，也(ye)可(ke)作構(gou)(gou)件(jian)(jian)之間的(de)(de)(de)連接(jie)件(jian)(jian)。角(jiao)(jiao)鋼(gang)(gang)廣泛(fan)地用于各種建筑結(jie)構(gou)(gou)和工程(cheng)結(jie)構(gou)(gou)，如(ru)房梁、橋梁、輸(shu)電塔(ta)、起重(zhong)運輸(shu)機(ji)械、船舶(bo)、工業爐、反應(ying)塔(ta)、容器(qi)架、電纜溝支(zhi)架、動力配(pei)管、母線支(zhi)架安裝(zhuang)、以及(ji)倉庫(ku)貨架等(deng)(deng)(deng)。