Q235B鍍鋅焊管(guan)(guan) 鍍鋅鋼管(guan)(guan)小口徑厚壁(bi)直縫焊管(guan)(guan) 鋼管(guan)(guan)定制廠價直銷

鍍(du)(du)鋅(xin)(xin)(xin)鋼管(guan)(guan)(guan)(guan)(guan)(guan)分為冷鍍(du)(du)鋅(xin)(xin)(xin)鋼管(guan)(guan)(guan)(guan)(guan)(guan)、熱(re)鍍(du)(du)鋅(xin)(xin)(xin)鋼管(guan)(guan)(guan)(guan)(guan)(guan)，冷鍍(du)(du)鋅(xin)(xin)(xin)鋼管(guan)(guan)(guan)(guan)(guan)(guan)已被(bei)禁(jin)用(yong)(yong)，后者還被(bei)提倡暫時能使(shi)用(yong)(yong)。六七十年代(dai)，國(guo)際上發(fa)達開(kai)始(shi)開(kai)發(fa)新型管(guan)(guan)(guan)(guan)(guan)(guan)材，并陸續禁(jin)用(yong)(yong)鍍(du)(du)鋅(xin)(xin)(xin)管(guan)(guan)(guan)(guan)(guan)(guan)。中國(guo)建設部等(deng)四部委也(ye)發(fa)文(wen)明確(que)從2000年起禁(jin)用(yong)(yong)鍍(du)(du)鋅(xin)(xin)(xin)管(guan)(guan)(guan)(guan)(guan)(guan)作(zuo)為供水管(guan)(guan)(guan)(guan)(guan)(guan)，新建小區的冷水管(guan)(guan)(guan)(guan)(guan)(guan)已經(jing)很少(shao)使(shi)用(yong)(yong)鍍(du)(du)鋅(xin)(xin)(xin)管(guan)(guan)(guan)(guan)(guan)(guan)了，有些小區的熱(re)水管(guan)(guan)(guan)(guan)(guan)(guan)使(shi)用(yong)(yong)的是(shi)鍍(du)(du)鋅(xin)(xin)(xin)管(guan)(guan)(guan)(guan)(guan)(guan)。熱(re)鍍(du)(du)鋅(xin)(xin)(xin)鋼管(guan)(guan)(guan)(guan)(guan)(guan)在消防、電力和高(gao)速公路上有廣泛的應用(yong)(yong)。

熱鍍鋅(xin)鋼(gang)管廣泛(fan)應用于建筑、機械(xie)、煤礦(kuang)(kuang)、化工、電(dian)力、鐵道車輛(liang)、汽車工業(ye)、公路、橋梁、集裝箱、體育設施、農(nong)業(ye)機械(xie)、石油機械(xie)、探(tan)礦(kuang)(kuang)機械(xie)等制(zhi)造工業(ye)。

鍍(du)鋅(xin)(xin)(xin)鋼管(guan)(guan)(guan)表面有熱浸鍍(du)或(huo)電(dian)鍍(du)鋅(xin)(xin)(xin)層的(de)(de)(de)焊接鋼管(guan)(guan)(guan)。鍍(du)鋅(xin)(xin)(xin)可增加(jia)鋼管(guan)(guan)(guan)的(de)(de)(de)抗腐(fu)蝕能力(li)，延長使(shi)用(yong)(yong)壽命(ming)。鍍(du)鋅(xin)(xin)(xin)管(guan)(guan)(guan)的(de)(de)(de)用(yong)(yong)途(tu)很廣，除作輸水、煤(mei)氣、油(you)(you)等一般低壓力(li)流體的(de)(de)(de)管(guan)(guan)(guan)線管(guan)(guan)(guan)外，還用(yong)(yong)作石油(you)(you)工(gong)業(ye)特別是(shi)海洋(yang)油(you)(you)田的(de)(de)(de)油(you)(you)井管(guan)(guan)(guan)、輸油(you)(you)管(guan)(guan)(guan)，化(hua)工(gong)焦化(hua)設備(bei)的(de)(de)(de)油(you)(you)加(jia)熱器(qi)(qi)、冷凝冷卻器(qi)(qi)、煤(mei)餾洗油(you)(you)交換器(qi)(qi)用(yong)(yong)管(guan)(guan)(guan)，以及棧橋管(guan)(guan)(guan)樁、礦山坑道的(de)(de)(de)支撐架用(yong)(yong)管(guan)(guan)(guan)等。