通風管道是(shi)(shi)一種空心方形的截面輕型(xing)(xing)薄壁(bi)鋼(gang)(gang)管(guan),也稱為鋼(gang)(gang)制冷彎型(xing)(xing)材。它(ta)是(shi)(shi)以Q235熱軋(ya)(ya)或冷軋(ya)(ya)帶(dai)鋼(gang)(gang)或卷板(ban)為母材經冷彎曲加工成(cheng)(cheng)型(xing)(xing)后再經高頻(pin)焊接制成(cheng)(cheng)的方形截面形狀尺寸的型(xing)(xing)鋼(gang)(gang)。熱軋(ya)(ya)特厚(hou)壁(bi)方管(guan)除壁(bi)厚(hou)增厚(hou)外情況,其角(jiao)部尺寸和邊部平直度(du)均(jun)達(da)到(dao)甚至超過電阻焊冷成(cheng)(cheng)型(xing)(xing)方管(guan)的水平。綜合力(li)學(xue)性能(neng)(neng)好(hao),焊接性,冷,熱加工性能(neng)(neng)和耐(nai)腐蝕性能(neng)(neng)均(jun)好(hao),具有(you)良好(hao)的低溫韌性。
通風管道的用途(tu)有建(jian)(jian)筑,機(ji)(ji)械(xie)制造(zao),鋼(gang)鐵建(jian)(jian)設(she)等項目, 造(zao)船,太陽(yang)能(neng)發(fa)電(dian)支(zhi)架,鋼(gang)結構工程,電(dian)力(li)工程,電(dian)廠,農業和化(hua)學機(ji)(ji)械(xie),玻(bo)璃幕(mu)墻,汽車底盤,機(ji)(ji)場(chang),鍋爐建(jian)(jian)造(zao),高速路欄桿(gan),房屋建(jian)(jian)筑,壓力(li)容器,石油儲罐,橋梁,電(dian)站(zhan)設(she)備,起重運輸機(ji)(ji)械(xie)及其他較高載荷的焊接結構件等。