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專業生產銷售大口徑厚壁國標螺旋鋼管,廠內加工防腐/保溫/涂塑

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首頁 > 鋼管百科 > 什么是直縫焊管?

什么是直縫焊管?

日期:2020-01-07

直縫焊管是指在設備上直焊并平行于鋼管直縫的焊縫中生產鋼材的原料。主要原料是低碳鋼熱軋板卷,熱軋板,在石油,冶金,建筑,礦山,港口,機械等行業廣泛使用,廣泛用于石油天然氣,低壓水煤氣輸送,礦液,輸送輥,汽車變速箱等。

什么是直縫焊管?

直縫焊管的生產工藝比較簡單,主要生產工藝是高頻直縫焊管和埋弧焊直縫焊管。縱向是將熱軋卷材通過成型機,使卷材圓滑地變形為圓柱形,利用高頻電流集膚效應和鄰近效應或在燃燒弧焊下的焊錫層,對管材邊緣進行加熱和熔化,以及熔融的壓力,最后冷卻成型。使用高頻電流熔化的管邊緣稱為ERW(ERW),稱為電弧熔化的LSAW管(LSAW)。

直縫鋼管主要用于水利工程,石油化工,化工,電力,農業灌溉,城市建設。對于液體的運輸:給水和排水。天然氣運輸:天然氣,蒸汽,液化石油氣。用于結構目的:作為橋梁的打樁管;碼頭,道路,建筑物等構筑物的管道。

主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |