通風管道是(shi)一種(zhong)空心方形(xing)的截面輕型(xing)薄(bo)壁(bi)(bi)鋼管(guan)(guan),也稱為(wei)鋼制冷(leng)(leng)(leng)彎型(xing)材。它是(shi)以Q235熱(re)(re)軋(ya)(ya)或(huo)冷(leng)(leng)(leng)軋(ya)(ya)帶(dai)鋼或(huo)卷板為(wei)母材經冷(leng)(leng)(leng)彎曲(qu)加工(gong)成(cheng)型(xing)后(hou)再經高(gao)頻(pin)焊接(jie)制成(cheng)的方形(xing)截面形(xing)狀(zhuang)尺寸的型(xing)鋼。熱(re)(re)軋(ya)(ya)特厚壁(bi)(bi)方管(guan)(guan)除壁(bi)(bi)厚增厚外(wai)情(qing)況,其角(jiao)部尺寸和邊部平直度(du)均達到甚(shen)至超過電阻(zu)焊冷(leng)(leng)(leng)成(cheng)型(xing)方管(guan)(guan)的水平。綜合力學性(xing)能好,焊接(jie)性(xing),冷(leng)(leng)(leng),熱(re)(re)加工(gong)性(xing)能和耐腐(fu)蝕(shi)性(xing)能均好,具有良(liang)好的低溫韌性(xing)。
通風管道的用途有建筑,機(ji)械(xie)制造,鋼鐵建設等項目, 造船,太陽(yang)能發電支架,鋼結構(gou)工程,電力(li)工程,電廠,農(nong)業和化學(xue)機(ji)械(xie),玻(bo)璃幕(mu)墻,汽車(che)底盤,機(ji)場,鍋爐建造,高(gao)速路欄(lan)桿,房(fang)屋建筑,壓力(li)容器,石(shi)油儲罐(guan),橋梁,電站(zhan)設備,起重(zhong)運輸機(ji)械(xie)及其他較(jiao)高(gao)載荷的焊(han)接(jie)結構(gou)件等。