通風管道是(shi)一種空心方形(xing)的(de)(de)截面(mian)(mian)輕型(xing)薄壁鋼管,也稱為鋼制冷(leng)(leng)彎(wan)型(xing)材(cai)。它是(shi)以Q235熱軋(ya)或(huo)冷(leng)(leng)軋(ya)帶鋼或(huo)卷(juan)板為母材(cai)經冷(leng)(leng)彎(wan)曲加工成(cheng)(cheng)(cheng)型(xing)后再經高頻焊(han)接(jie)制成(cheng)(cheng)(cheng)的(de)(de)方形(xing)截面(mian)(mian)形(xing)狀(zhuang)尺寸(cun)的(de)(de)型(xing)鋼。熱軋(ya)特厚壁方管除壁厚增厚外情況,其角部尺寸(cun)和(he)邊(bian)部平(ping)直度均達到甚至超過電阻焊(han)冷(leng)(leng)成(cheng)(cheng)(cheng)型(xing)方管的(de)(de)水平(ping)。綜合力(li)學(xue)性(xing)(xing)(xing)(xing)能好,焊(han)接(jie)性(xing)(xing)(xing)(xing),冷(leng)(leng),熱加工性(xing)(xing)(xing)(xing)能和(he)耐腐蝕性(xing)(xing)(xing)(xing)能均好,具(ju)有良好的(de)(de)低溫(wen)韌(ren)性(xing)(xing)(xing)(xing)。
通風管道的用途有(you)建(jian)筑(zhu),機(ji)(ji)械(xie)制造(zao),鋼鐵建(jian)設等項目(mu), 造(zao)船,太陽能發電(dian)支架,鋼結(jie)構(gou)(gou)工程,電(dian)力工程,電(dian)廠,農業和化學機(ji)(ji)械(xie),玻璃幕墻,汽車底盤(pan),機(ji)(ji)場,鍋(guo)爐建(jian)造(zao),高(gao)速(su)路欄桿(gan),房屋(wu)建(jian)筑(zhu),壓(ya)力容(rong)器,石油儲罐,橋梁,電(dian)站設備,起重運輸(shu)機(ji)(ji)械(xie)及其他較高(gao)載荷的焊接結(jie)構(gou)(gou)件等。