通風管道是(shi)(shi)一(yi)種空(kong)心方形(xing)的截(jie)面輕(qing)型薄壁鋼管,也稱(cheng)為鋼制冷彎(wan)型材(cai)。它是(shi)(shi)以Q235熱軋或冷軋帶(dai)鋼或卷板為母(mu)材(cai)經冷彎(wan)曲(qu)加工成(cheng)型后再經高頻焊接制成(cheng)的方形(xing)截(jie)面形(xing)狀尺寸(cun)的型鋼。熱軋特厚壁方管除壁厚增厚外情況,其(qi)角部(bu)尺寸(cun)和(he)邊(bian)部(bu)平(ping)直度均(jun)達到甚至超(chao)過電阻焊冷成(cheng)型方管的水(shui)平(ping)。綜合力學性(xing)(xing)能(neng)好(hao),焊接性(xing)(xing),冷,熱加工性(xing)(xing)能(neng)和(he)耐腐蝕性(xing)(xing)能(neng)均(jun)好(hao),具有良好(hao)的低溫(wen)韌性(xing)(xing)。
通風管道的用途(tu)有建(jian)筑,機(ji)(ji)械(xie)制造,鋼(gang)鐵建(jian)設(she)(she)等(deng)項目(mu), 造船,太陽能發電(dian)(dian)支(zhi)架,鋼(gang)結構工程,電(dian)(dian)力工程,電(dian)(dian)廠,農業和化學機(ji)(ji)械(xie),玻璃幕墻(qiang),汽車(che)底(di)盤,機(ji)(ji)場,鍋爐建(jian)造,高速路欄桿(gan),房屋(wu)建(jian)筑,壓(ya)力容器(qi),石油儲罐,橋梁,電(dian)(dian)站設(she)(she)備(bei),起重運輸機(ji)(ji)械(xie)及其他較(jiao)高載荷的焊(han)接(jie)結構件等(deng)。